Dr Christian Nielsen
Reader in Organic Materials
School of Physical and Chemical Sciences
Queen Mary University of London
Queen Mary University of London
Research
organic electronics, organic bioelectronics, semiconducting polymers
Interests
Our main research focus is centred around the design and synthesis of new semiconducting materials for organic electronic and bioelectronic applications with the aim of elucidating important structure-property relations and providing new tailored materials to advance the understanding and performance of organic electronic and bioelectronic devices such as organic solar cells, field-effect transistors and biosensors.Publications
Publications of specific relevance to the Centre for Chemical Research2024
Holzer I, Lemaur V, Wang M, Wu H-Y, Zhang L, Marcial-Hernandez R, Gilhooly-Finn P, Cavassin P, Hoyas S, Meli D, Wu R, Paulsen BD, Strzalka J, Liscio A, Rivnay J, Sirringhaus H, Banerji N, Beljonne D, Fabiano S and Nielsen CB (2024). Side chain engineering in indacenodithiophene- co -benzothiadiazole and its impact on mixed ionic–electronic transport properties. Journal of Materials Chemistry C, Royal Society of Chemistry (RSC) 12-02-2024
2023
Abid Z, Ali L, Shahid M, Nielsen CB, Altaf M, Min J and Ashraf RS (2023). Quantum modelling of multi-directional fused-ring electron acceptors for organic photovoltaics. Journal of Physics and Chemistry of Solids, Elsevier, 111837-111837. 13-12-2023
Kim JH, Halaksa R, Jo I-Y, Ahn H, Gilhooly-Finn PA, Lee I, Park S, Nielsen CB and Yoon M-H (2023). Peculiar transient behaviors of organic electrochemical transistors governed by ion injection directionality. Nature Communications, Springer Nature vol. 14 (1) 28-11-2023
Abid Z, Ali L, Gulzar S, Wahad F, Ashraf RS and Nielsen CB (2023). Quinoxaline derivatives as attractive electron-transporting materials. Beilstein Journal of Organic Chemistry, Beilstein Institut vol. 19 (1), 1694-1712. 09-11-2023
Gilhooly-Finn PA, Jacobs IE, Bardagot O, Zaffar Y, Lemaire A, Guchait S, Zhang L, Freeley M, Neal W, Richard F, Palma M, Banerji N, Sirringhaus H, Brinkmann M and Nielsen CB (2023). Interplay between Side Chain Density and Polymer Alignment: Two Competing Strategies for Enhancing the Thermoelectric Performance of P3HT Analogues. Chemistry of Materials, American Chemical Society (ACS) 26-10-2023
Nielsen CB (2023). From Molecular to Nanoscale Control of Organic Semiconductors for Biosensing Applications. 2023 IEEE Nanotechnology Materials and Devices Conference (NMDC). 25-10-2023
Jaffri SB, Ahmad KS, Abrahams I, Kousseff CJ, Nielsen CB and Ibrahim SM (2023). Sustainability Consolidated Ln3+(Ce3+-Pr3+-Nd3+):SnO01-09-2023
Kim W, Kang K, Nielsen CB and Jung S (2023). Technology Development of High-Performance Printed Organic Thin-Film Transistors. 2023 IEEE International Flexible Electronics Technology Conference (IFETC). 16-08-2023
McCulloch I, Chabinyc M, Brabec C, Nielsen CB and Watkins SE (2023). Sustainability considerations for organic electronic products. Nature Materials, Nature Research 19-06-2023
Halaksa R, Kim JH, Thorley KJ, Gilhooly-Finn PA, Ahn H, Savva A, Yoon M-H and Nielsen CB (2023). The Influence of Regiochemistry on the Performance of Organic Mixed Ionic and Electronic Conductors. Angew Chem Int Ed Engl, e202304390-e202304390. 19-05-2023
Halaksa R, Kim JH, Thorley K, Gilhooly-Finn P, Ahn H, Savva A, Yoon M-H and Nielsen C (2023). The Influence of Regiochemistry on the Performance of Organic Mixed Ionic and Electronic Conductors. Angewandte Chemie 19-05-2023
Jaffri SB, Ahmad KS, Abrahams I, Kousseff CJ, Nielsen CB and Almutairi BO (2023). Rare earth (Sm/Eu/Tm) doped ZrO27-04-2023
Marcial-Hernandez R, Giacalone S, Neal WG, Lee C-S, Gilhooly-Finn PA, Mastroianni G, Meli D, Wu R, Rivnay J, Palma M and Nielsen CB (2023). Aqueous processing of organic semiconductors enabled by stable nanoparticles with built-in surfactants. Nanoscale, Royal Society of Chemistry 17-03-2023
Duan J, Zhu G, Chen J, Zhang C, Zhu X, Liao H, Li Z, Hu H, McCulloch I, Nielsen CB and Yue W (2023). Highly Efficient Mixed Conduction in a Fused Oligomer n-Type Organic Semiconductor Enabled by Three-Dimensional Transport Pathways. Advanced Materials, Wiley, e2300252-e2300252. 14-03-2023
Yu S, Kousseff CJ and Nielsen CB (2023). n-Type semiconductors for organic electrochemical transistor applications. Synthetic Metals vol. 293 01-03-2023
2022
Zbiri M, Gilhooly-Finn PA, Fouquet P, Nielsen CB and Guilbert AAY (2022). Structural Dynamics of Polymer:Non-Fullerene Organic Solar Cell Blends: A Neutron Spectroscopy Perspective. Chemistry of Materials, American Chemical Society 18-08-2022
Waliszewski W, Parr ZS, Michalska A, Halaksa R, Zajaczkowska H, Sleczkowski P, Neophytou M, Luszczynska B, Blom PWM, Nielsen CB, Marszalek T and Pisula W (2022). Role of oxygen within end group substituents on film morphology and charge carrier transport in thiophene/phenylene small-molecule semiconductors. Organic Electronics, Elsevier vol. 109 10-08-2022
Cowen LM, Gilhooly-Finn PA, Giovannitti A, LeCroy G, Demetriou H, Neal W, Dong Y, Westwood M, Luong S, Fenwick O, Salleo A, Heutz S, Nielsen CB and Schroeder BC (2022). Critical analysis of self-doping and water-soluble n-type organic semiconductors: structures and mechanisms. Journal of Materials Chemistry C 24-05-2022
Freychet G, Chantler P, Huang Y, Tan WL, Zhernenkov M, Nayak N, Kumar A, Gilhooly-Finn PA, Nielsen CB, Thomsen L, Roychoudhury S, Sirringhaus H, Prendergast D and McNeill CR (2022). Resolving the backbone tilt of crystalline poly(3-hexylthiophene) with resonant tender X-ray diffraction. Materials Horizons, Royal Society of Chemistry 05-04-2022
Freychet G, Huang Y, Tan WL, Gilhooly-Finn PA, Nielsen CB, Sirringhaus H and McNeill CR (2022). Drastic Enhancement of X-ray Scattering Contrast between Amorphous and Crystalline Phases of Poly(3-hexylthiophene) at the Sulfur K-Edge. ACS Materials Letters, 764-769. 25-03-2022
Parr ZS, Borges-González J, Rashid RB, Thorley KJ, Meli D, Paulsen BD, Strzalka J, Rivnay J and Nielsen CB (2022). From p- to n-Type Mixed Conduction in Isoindigo-Based Polymers through Molecular Design. Adv Mater, e2107829-e2107829. 24-01-2022
2021
Duncan DA, Blowey PJ, Lee T-L, Allegretti F, Nielsen CB and Rochford LA (2021). Quantitative Insights into the Adsorption Structure of Diindeno[1,2‑a;1′,2′‑c]fluorene-5,10,15-trione (Truxenone) on a Cu(111) Surface Using X‑ray Standing Waves. ACS Omega 08-12-2021
Duncan DA, Blowey PJ, Lee T-L, Allegretti F, Nielsen CB and Rochford LA (2021). Quantitative Insights into the Adsorption Structure of Diindeno[1,2-a;1 ',2 '-c]fluorene-5,10,15-trione (Truxenone) on a Cu(111) Surface Using X-ray Standing Waves. ACS OMEGA 08-12-2021
Guo Y, Yang X, Wang L, Duan J, Zhou Y, Nielsen CB, Yu Y, Yang J, Li Z, Yue W, Liu Y and McCulloch I (2021). Aldol Polymerization to Construct Half-Fused Semiconducting Polymers. Macromolecules 01-11-2021
Kousseff CJ, Halaksa R, Parr ZS and Nielsen CB (2021). Mixed Ionic and Electronic Conduction in Small-Molecule Semiconductors. Chemical Reviews, American Chemical Society 07-09-2021
Jacobs IE, Lin Y, Huang Y, Ren X, Simatos D, Chen C, Tjhe D, Statz M, Lai L, Finn PA, Neal WG, D'Avino G, Lemaur V, Fratini S, Beljonne D, Strzalka J, Nielsen CB, Barlow S, Marder SR, McCulloch I, et al. (2021). High-Efficiency Ion-Exchange Doping of Conducting Polymers. Adv Mater, e2102988-e2102988. 21-08-2021
Kousseff CJ, Taifakou FE, Neal WG, Palma M and Nielsen CB (2021). Controlling morphology, adhesion, and electrochromic behavior of PEDOT films through molecular design and processing. Journal of Polymer Science 12-08-2021
Zbiri M, Finn PA, Nielsen CB and Guilbert AAY (2021). Quantitative insights into the phase behaviour and miscibility of a photovoltaic active layer from the perspective of neutron spectroscopy. Journal of Materials Chemistry C 28-07-2021
Weinbach Q, Nielsen CB and Biniek L (2021). Multi length scale porosity as a playground for organic thermoelectric applications. Journal of Materials Chemistry C 26-07-2021
Finn PA, Asker C, Wan K, Bilotti E, Fenwick O and Nielsen CB (2021). Thermoelectric Materials: Current Status and Future Challenges. Frontiers in Electronic Materials vol. 1, 677845-677845. 20-07-2021
Guilbert AAY, Parr ZS, Kreouzis T, Woods DJ, Sprick RS, Abrahams I, Nielsen CB and Zbiri M (2021). Effect of substituting non-polar chains with polar chains on the structural dynamics of small organic molecule and polymer semiconductors. Physical Chemistry Chemical Physics 15-03-2021
Taifakou FE, Ali M, Borowiec J, Liu X, Finn P, Nielsen C, Timis C, NOONEY T, Bevan A and Kreouzis T (2021). Solution processed donor-acceptor, poly(3-hexylthiophene): phenyl-C61-butyric acid methyl ester diodes for low voltage alpha particle detection. ACS Applied Materials and Interfaces, American Chemical Society 01-02-2021
2020
Finn P, Jacobs IE, Armitage J, Wu R, Paulsen B, Freeley M, Palma M, Rivnay J, Sirringhaus H and Nielsen C (2020). Effect of polar side chains on neutral and p-doped polythiophene. Journal of Materials Chemistry C 19-10-2020
Parr ZS and Nielsen CB (2020). Conjugated molecules for colourimetric and fluorimetric sensing of sodium and potassium. Materials Chemistry Frontiers 25-06-2020
Parr ZS, Rashid RB, Paulsen BD, Poggi B, Tan E, Freeley M, Palma M, Abrahams I, Rivnay J and Nielsen CB (2020). Semiconducting Small Molecules as Active Materials for p-Type Accumulation Mode Organic Electrochemical Transistors. Advanced Electronic Materials 15-05-2020
Bronstein H, Nielsen CB, Schroeder BC and McCulloch I (2020). The role of chemical design in the performance of organic semiconductors. Nature Reviews Chemistry, Nature Research (part of Springer Nature) 03-01-2020
2019
Guilbert AAY, Zbiri M, Finn PA, Jenart M, Fouquet P, Cristiglio V, Frick B, Nelson J and Nielsen CB (2019). Mapping Micro-Structural Dynamics up to the nanosecond of the Conjugated Polymer P3HT in the Solid State. Chemistry of Materials, American Chemical Society 30-09-2019
Parr ZS, Halaksa R, Finn PA, Rashid RB, Kovalenko A, Weiter M, Rivnay J, Krajčovič J and Nielsen CB (2019). Glycolated Thiophene-Tetrafluorophenylene Copolymers for Bioelectronic Applications: Synthesis by Direct Heteroarylation Polymerisation. ChemPlusChem 11-07-2019
Parr ZS, Guo Z and Nielsen CB (2019). Conjugated polymers for n- and p-type charge transport. Conjugated Polymers: Perspective, Theory, and New Materials 325-428. 27-03-2019
Kang K, Schott S, Venkateshvaran D, Broch K, Schweicher G, Harkin D, Jellett C, Nielsen CB, McCulloch I and Sirringhaus H (2019). Investigation of the thermoelectric response in conducting polymers doped by solid-state diffusion. Materials Today Physics vol. 8, 112-122. 01-03-2019
BORGES GONZALEZ J, KOUSSEFF CJ and NIELSEN CB (2019). Organic semiconductors for biological sensing. Journal of Materials Chemistry C, Royal Society of Chemistry 08-01-2019
2018
Nielsen C (2018). Mixed conduction and doping processes in organic semiconductors. ACS meeting. 19-08-2018
Nikolka M, Schweicher G, Armitage J, Nasrallah I, Jellett C, Guo Z, Hurhangee M, Sadhanala A, McCulloch I, Nielsen CB and Sirringhaus H (2018). Performance Improvements in Conjugated Polymer Devices by Removal of Water-Induced Traps. Adv Mater, e1801874-e1801874. 18-07-2018
Giovannitti A, Thorley KJ, Nielsen CB, Li J, Donahue MJ, Malliaras GG, Rivnay J and Mcculloch I (2018). Redox-Stability of Alkoxy-BDT Copolymers and their Use for Organic Bioelectronic Devices. Advanced Functional Materials 21-02-2018
2017
Schott S, McNellis ER, Nielsen CB, Chen H-Y, Watanabe S, Tanaka H, McCulloch I, Takimiya K, Sinova J and Sirringhaus H (2017). Tuning the effective spin-orbit coupling in molecular semiconductors. Nat Commun vol. 8, 15200-15200. 11-05-2017
Neophytou M, Griffiths J, Fraser J, Kirkus M, Chen H, Nielsen CB and McCulloch I (2017). High mobility, hole transport materials for highly efficient PEDOT:PSS replacement in inverted perovskite solar cells. JOURNAL OF MATERIALS CHEMISTRY C vol. 5 (20), 4940-4945. 24-04-2017
Spicer CD, Booth MA, Mawad D, Armgarth A, Nielsen CB and Stevens MM (2017). Synthesis of Hetero-bifunctional, End-Capped Oligo-EDOT Derivatives. Chem vol. 2 (1), 125-138. 12-01-2017
Qiu W, Bastos JP, Dasgupta S, Merckx T, Cardinaletti I, Jenart MVC, Nielsen CB, Gehlhaar R, Poortmans J, Heremans P, McCulloch I and Cheyns D (2017). Highly efficient perovskite solar cells with crosslinked PCBM interlayers. Journal of Materials Chemistry A vol. 5 (6), 2466-2472. 09-01-2017
2016
Giovannitti A, Nielsen CB, Sbircea D-T, Inal S, Donahue M, Niazi MR, Hanifi DA, Amassian A, Malliaras GG, Rivnay J and McCulloch I (2016). Erratum: N-type organic electrochemical transistors with stability in water. Nature Communications, Springer Nature vol. 7 (1) 15-12-2016
Vezie MS, Dimitrov SD, Schroeder BC, Nielsen CB, McCulloch I, Campoy-Quiles M, Durrant JR and Nelson J (2016). Charge generation in polymer:fullerene photovoltaic systems (Conference Presentation). SPIE Organic Photonics + Electronics. 07-11-2016
Giovannitti A, Sbircea D-T, Inal S, Nielsen CB, Bandiello E, Hanifi DA, Sessolo M, Malliaras GG, McCulloch I and Rivnay J (2016). Controlling the mode of operation of organic transistors through side-chain engineering. Proc Natl Acad Sci U S A vol. 113 (43), 12017-12022. 10-10-2016
Giovannitti A, Nielsen CB, Sbircea DT, Inal S, Donahue M, Niazi MR, Hanifi DA, Amassian A, Malliaras GG, Rivnay J and McCulloch I (2016). N-type organic electrochemical transistors with stability in water. Nature Communications, Nature Publishing Group: Nature Communications vol. 7 07-10-2016
Rochford LA, Jones TS and Nielsen CB (2016). Epitaxial Templating of C60 with a Molecular Monolayer. Journal of Physical Chemistry Letters, American Chemical Society vol. 7 (17), 3487-3490. 19-08-2016
Knall AC, Ashraf RS, Nikolka M, Nielsen CB, Purushothaman B, Sadhanala A, Hurhangee M, Broch K, Harkin DJ, Novà k J, Neophytou M, Hayoz P, Sirringhaus H and McCulloch I (2016). Naphthacenodithiophene Based Polymers—New Members of the Acenodithiophene Family Exhibiting High Mobility and Power Conversion Efficiency. Advanced Functional Materials vol. 26 (38), 6961-6969. 18-08-2016
Nielsen CB, Giovannitti A, Sbircea D-T, Bandiello E, Niazi MR, Hanifi DA, Sessolo M, Amassian A, Malliaras GG, Rivnay J and McCulloch I (2016). Molecular Design of Semiconducting Polymers for High-Performance Organic Electrochemical Transistors. J Am Chem Soc vol. 138 (32), 10252-10259. 22-07-2016
Rochford LA, Ramadan AJ, Holliday S, Jones TS and Nielsen CB (2016). The effect of fluorination on the surface structure of truxenones. RSC Advances, The Royal Society of Chemistry vol. 6 (71), 67315-67318. 08-07-2016
Nielsen CB and Hammerum S (2016). Secondary kinetic deuterium isotope effects. The CC cleavage of labeled tetramethylethylenediamine radical cations-Who gets to keep the electron? International Journal of Mass Spectrometry 27-06-2016
Holliday S, Ashraf RS, Wadsworth A, Baran D, Yousaf SA, Nielsen CB, Tan CH, Dimitrov SD, Shang Z, Gasparini N, Alamoudi M, Laquai F, Brabec CJ, Salleo A, Durrant JR and McCulloch I (2016). High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor. Nature Communications, Nature Publishing Group: Nature Communications vol. 7, 11585-11585. 09-06-2016
Guilbert AA, Zbiri M, Jenart MV, Nielsen CB and Nelson J (2016). New Insights into the Molecular Dynamics of P3HT:PCBM Bulk Heterojunction: A Time-of-Flight Quasi-Elastic Neutron Scattering Study. Journal of Physical Chemistry Letters, American Chemical Society vol. 7 (12), 2252-2257. 19-05-2016
Biniek L and Nielsen CB (2016). Organic Photovoltaics: More than Ever, an Interdisciplinary Field. Polymers, MDPI vol. 8 (3) 02-03-2016
Dimitrov SD, Schroeder BC, Nielsen CB, Bronstein H, Fei Z, McCulloch I, Heeney M and Durrant JR (2016). Singlet Exciton Lifetimes in Conjugated Polymer Films for Organic Solar Cells. Polymers, MDPI vol. 8 (1) 13-01-2016
Ramadan AJ, Nielsen CB, Holliday S, Jones TS, McCulloch I and Rochford LA (2016). Organic/inorganic epitaxy: commensurate epitaxial growth of truxenone on Cu (111). RSC Advances, Royal Society of Chemistry (RSC) vol. 6 (21), 17125-17128. 01-01-2016
Yue W, Nikolka M, Xiao M, Sadhanala A, Nielsen CB, White AJP, Chen H-Y, Onwubiko A, Sirringhaus H and McCulloch I (2016). Azaisoindigo conjugated polymers for high performance n-type and ambipolar thin film transistor applications. Journal of Materials Chemistry C, Royal Society of Chemistry (RSC) vol. 4 (41), 9704-9710. 01-01-2016
2015
Giovannitti A, Nielsen CB, Rivnay J, Kirkus M, Harkin DJ, White AJP, Sirringhaus H, Malliaras GG and McCulloch I (2015). Sodium and Potassium Ion Selective Conjugated Polymers for Optical Ion Detection in Solution and Solid State. Advanced Functional Materials, Wiley vol. 26 (4), 514-523. 16-12-2015
Nielsen CB, Holliday S, Chen H-Y, Cryer SJ and McCulloch I (2015). Non-Fullerene Electron Acceptors for Use in Organic Solar Cells. Accounts of Chemical Research, American Chemical Society (ACS) vol. 48 (11), 2803-2812. 27-10-2015
Schroeder BC, Nielsen CB, Westacott P, Smith J, Rossbauer S, Anthopoulos TD, Stingelin N and McCulloch I (2015). Effects of alkyl chain positioning on conjugated polymer microstructure and field-effect mobilities. MRS Communications, Springer Nature vol. 5 (3), 435-440. 01-09-2015
Schroeder BC, Kirkus M, Nielsen CB, Ashraf RS and McCulloch I (2015). Dithienosilolothiophene: A New Polyfused Donor for Organic Electronics. Macromolecules, American Chemical Society (ACS) vol. 48 (16), 5557-5562. 13-08-2015
Yue W, Ashraf RS, Nielsen CB, Collado-Fregoso E, Niazi MR, Yousaf SA, Kirkus M, Chen H-Y, Amassian A, Durrant JR and McCulloch I (2015). A Thieno[3,2‐b][1]benzothiophene Isoindigo Building Block for Additive‐ and Annealing‐Free High‐Performance Polymer Solar Cells. Advanced Materials, Wiley vol. 27 (32), 4702-4707. 14-07-2015
Nielsen CB, White AJP and McCulloch I (2015). Effect of Fluorination of 2,1,3-Benzothiadiazole. The Journal of Organic Chemistry, American Chemical Society (ACS) vol. 80 (10), 5045-5048. 01-05-2015
Rumer JW, Ashraf RS, Eisenmenger ND, Huang Z, Meager I, Nielsen CB, Schroeder BC, Chabinyc ML and McCulloch I (2015). Dual Function Additives: A Small Molecule Crosslinker for Enhanced Efficiency and Stability in Organic Solar Cells. Advanced Energy Materials, Wiley vol. 5 (9) 11-02-2015
Ashraf RS, Meager I, Nikolka M, Kirkus M, Planells M, Schroeder BC, Holliday S, Hurhangee M, Nielsen CB, Sirringhaus H and McCulloch I (2015). Chalcogenophene Comonomer Comparison in Small Band Gap Diketopyrrolopyrrole-Based Conjugated Polymers for High-Performing Field-Effect Transistors and Organic Solar Cells. Journal of the American Chemical Society, American Chemical Society (ACS) vol. 137 (3), 1314-1321. 14-01-2015
Holliday S, Ashraf RS, Nielsen CB, Kirkus M, Röhr JA, Tan C-H, Collado-Fregoso E, Knall A-C, Durrant JR, Nelson J and McCulloch I (2015). A Rhodanine Flanked Nonfullerene Acceptor for Solution-Processed Organic Photovoltaics. Journal of the American Chemical Society, American Chemical Society (ACS) vol. 137 (2), 898-904. 12-01-2015
Qiu W, Paetzold UW, Gehlhaar R, Smirnov V, Boyen H-G, Tait JG, Conings B, Zhang W, Nielsen CB, McCulloch I, Froyen L, Heremans P and Cheyns D (2015). An electron beam evaporated TiO 2 layer for high efficiency planar perovskite solar cells on flexible polyethylene terephthalate substrates. Journal of Materials Chemistry A, Royal Society of Chemistry (RSC) vol. 3 (45), 22824-22829. 01-01-2015
2014
Nielsen CB, Ashraf RS, Treat ND, Schroeder BC, Donaghey JE, White AJP, Stingelin N and McCulloch I (2014). 2,1,3‐Benzothiadiazole‐5,6‐Dicarboxylic Imide – A Versatile Building Block for Additive‐ and Annealing‐Free Processing of Organic Solar Cells with Efficiencies Exceeding 8%. Advanced Materials, Wiley vol. 27 (5), 948-953. 15-12-2014
Meager I, Nikolka M, Schroeder BC, Nielsen CB, Planells M, Bronstein H, Rumer JW, James DI, Ashraf RS, Sadhanala A, Hayoz P, Flores J, Sirringhaus H and McCulloch I (2014). Thieno[3,2‐b]thiophene Flanked Isoindigo Polymers for High Performance Ambipolar OFET Applications. Advanced Functional Materials, Wiley vol. 24 (45), 7109-7115. 10-09-2014
Rumer JW, Schroeder BC, Nielsen CB, Ashraf RS, Beatrup D, Bronstein H, Cryer SJ, Donaghey JE, Holliday S, Hurhangee M, James DI, Lim S, Meager I, Zhang W and McCulloch I (2014). Bis-lactam-based donor polymers for organic solar cells: Evolution by design. Thin Solid Films, Elsevier vol. 560, 82-85. 01-06-2014
Schroeder BC, Rossbauer S, Kline RJ, Biniek L, Watkins SE, Anthopoulos TD, McCulloch I and Nielsen CB (2014). Benzotrithiophene Copolymers: Influence of Molecular Packing and Energy Levels on Charge Carrier Mobility. Macromolecules, American Chemical Society (ACS) vol. 47 (9), 2883-2890. 15-04-2014
Dimitrov SD, Huang Z, Deledalle F, Nielsen CB, Schroeder BC, Ashraf RS, Shoaee S, McCulloch I and Durrant JR (2014). Towards optimisation of photocurrent from fullerene excitons in organic solar cells. Energy & Environmental Science, Royal Society of Chemistry (RSC) vol. 7 (3), 1037-1043. 01-01-2014
Nielsen CB, Voroshazi E, Holliday S, Cnops K, Cheyns D and McCulloch I (2014). Electron-deficient truxenone derivatives and their use in organic photovoltaics. Journal of Materials Chemistry A, Royal Society of Chemistry (RSC) vol. 2 (31), 12348-12354. 01-01-2014
Meager I, Ashraf RS, Nielsen CB, Donaghey JE, Huang Z, Bronstein H, Durrant JR and McCulloch I (2014). Power conversion efficiency enhancement in diketopyrrolopyrrole based solar cells through polymer fractionation. Journal of Materials Chemistry C, Royal Society of Chemistry (RSC) vol. 2 (40), 8593-8598. 01-01-2014
2013
Nielsen CB and McCulloch I (2013). Recent advances in transistor performance of polythiophenes. Progress in Polymer Science, Elsevier vol. 38 (12), 2053-2069. 01-12-2013
Nielsen CB, Ashraf RS, Rossbauer S, Anthopoulos T and McCulloch I (2013). Post-Polymerization Ketalization for Improved Organic Photovoltaic Materials. Macromolecules, American Chemical Society (ACS) vol. 46 (19), 7727-7732. 20-09-2013
Nielsen CB, Sohn E-H, Cho D-J, Schroeder BC, Smith J, Lee M, Anthopoulos TD, Song K and McCulloch I (2013). Correction to “Improved Field-Effect Transistor Performance of a Benzotrithiophene Polymer through Ketal Cleavage in the Solid State”. ACS Applied Materials & Interfaces, American Chemical Society (ACS) vol. 5 (7), 2783-2783. 26-03-2013
Bansal N, Reynolds LX, MacLachlan A, Lutz T, Ashraf RS, Zhang W, Nielsen CB, McCulloch I, Rebois DG, Kirchartz T, Hill MS, Molloy KC, Nelson J and Haque SA (2013). Influence of crystallinity and energetics on charge separation in polymer-inorganic nanocomposite films for solar cells. Sci Rep vol. 3, 1531-1531. 25-03-2013
Nielsen CB, Sohn E-H, Cho D-J, Schroeder BC, Smith J, Lee M, Anthopoulos TD, Song K and McCulloch I (2013). Improved Field-Effect Transistor Performance of a Benzotrithiophene Polymer through Ketal Cleavage in the Solid State. ACS Applied Materials & Interfaces, American Chemical Society (ACS) vol. 5 (5), 1806-1810. 19-02-2013
Zhong H, Li Z, Deledalle F, Fregoso EC, Shahid M, Fei Z, Nielsen CB, Yaacobi-Gross N, Rossbauer S, Anthopoulos TD, Durrant JR and Heeney M (2013). Fused Dithienogermolodithiophene Low Band Gap Polymers for High-Performance Organic Solar Cells without Processing Additives. Journal of the American Chemical Society, American Chemical Society (ACS) vol. 135 (6), 2040-2043. 01-02-2013
Biniek L, Schroeder BC, Donaghey JE, Yaacobi-Gross N, Ashraf RS, Soon YW, Nielsen CB, Durrant JR, Anthopoulos TD and McCulloch I (2013). New Fused Bis-Thienobenzothienothiophene Copolymers and Their Use in Organic Solar Cells and Transistors. Macromolecules, American Chemical Society (ACS) vol. 46 (3), 727-735. 31-01-2013
Bronstein H, Frost JM, Hadipour A, Kim Y, Nielsen CB, Ashraf RS, Rand BP, Watkins S and McCulloch I (2013). Effect of Fluorination on the Properties of a Donor–Acceptor Copolymer for Use in Photovoltaic Cells and Transistors. Chemistry of Materials, American Chemical Society (ACS) vol. 25 (3), 277-285. 29-01-2013
Nielsen CB, Voroshazi E, Holliday S, Cnops K, Rand BP and McCulloch I (2013). Efficient truxenone-based acceptors for organic photovoltaics. Journal of Materials Chemistry A, Royal Society of Chemistry (RSC) vol. 1 (1), 73-76. 01-01-2013
Rumer JW, Hor CKL, Meager I, Yau CP, Huang Z, Nielsen CB, Watkins SE, Bronstein H and McCulloch I (2013). Alkyl side-chain branching point effects in thieno[3,4-c]pyrrole-4,6-dione copolymers. Journal of Organic Semiconductors, Taylor & Francis vol. 1 (1), 30-35. 01-01-2013
2012
Bakulin AA, Dimitrov SD, Rao A, Chow PCY, Nielsen CB, Schroeder BC, McCulloch I, Bakker HJ, Durrant JR and Friend RH (2012). Charge-Transfer State Dynamics Following Hole and Electron Transfer in Organic Photovoltaic Devices. The Journal of Physical Chemistry Letters, American Chemical Society (ACS) vol. 4 (1), 209-215. 26-12-2012
Dimitrov SD, Bakulin AA, Nielsen CB, Schroeder BC, Du J, Bronstein H, McCulloch I, Friend RH and Durrant JR (2012). On the Energetic Dependence of Charge Separation in Low-Band-Gap Polymer/Fullerene Blends. Journal of the American Chemical Society, American Chemical Society (ACS) vol. 134 (44), 18189-18192. 29-10-2012
Nielsen CB, Turbiez M and McCulloch I (2012). Recent Advances in the Development of Semiconducting DPP‐Containing Polymers for Transistor Applications. Advanced Materials, Wiley vol. 25 (13), 1859-1880. 25-09-2012
McCulloch I, Ashraf RS, Biniek L, Bronstein H, Combe C, Donaghey JE, James DI, Nielsen CB, Schroeder BC and Zhang W (2012). Design of Semiconducting Indacenodithiophene Polymers for High Performance Transistors and Solar Cells. Accounts of Chemical Research, American Chemical Society (ACS) vol. 45 (5), 714-722. 26-01-2012
Kirkpatrick J, Nielsen CB, Zhang W, Bronstein H, Ashraf RS, Heeney M and McCulloch I (2012). A Systematic Approach to the Design Optimization of Light‐Absorbing Indenofluorene Polymers for Organic Photovoltaics. Advanced Energy Materials, Wiley vol. 2 (2), 260-265. 09-01-2012
Biniek L, Schroeder BC, Nielsen CB and McCulloch I (2012). Recent advances in high mobility donor–acceptor semiconducting polymers. Journal of Materials Chemistry, Royal Society of Chemistry (RSC) vol. 22 (30), 14803-14813. 01-01-2012
Schroeder BC, Ashraf RS, Thomas S, White AJP, Biniek L, Nielsen CB, Zhang W, Huang Z, Tuladhar PS, Watkins SE, Anthopoulos TD, Durrant JR and McCulloch I (2012). Synthesis of novel thieno[3,2- b ]thienobis(silolothiophene) based low bandgap polymers for organic photovoltaics. Chemical Communications, Royal Society of Chemistry (RSC) vol. 48 (62), 7699-7701. 01-01-2012
Nielsen CB, Ashraf RS, Schroeder BC, D’Angelo P, Watkins SE, Song K, Anthopoulos TD and McCulloch I (2012). Random benzotrithiophene-based donor–acceptor copolymers for efficient organic photovoltaic devices. Chemical Communications, Royal Society of Chemistry (RSC) vol. 48 (47), 5832-5834. 01-01-2012
2011
Dimitrov SD, Nielsen CB, Shoaee S, Tuladhar PS, Du J, McCulloch I and Durrant JR (2011). Efficient Charge Photogeneration by the Dissociation of PC70BM Excitons in Polymer/Fullerene Solar Cells. The Journal of Physical Chemistry Letters, American Chemical Society (ACS) vol. 3 (1), 140-144. 22-12-2011
Schroeder BC, Nielsen CB, Kim YJ, Smith J, Huang Z, Durrant J, Watkins SE, Song K, Anthopoulos TD and McCulloch I (2011). Benzotrithiophene Co-polymers with High Charge Carrier Mobilities in Field-Effect Transistors. Chemistry of Materials, American Chemical Society (ACS) vol. 23 (17), 4025-4031. 16-08-2011
Nielsen CB, Fraser JM, Schroeder BC, Du J, White AJP, Zhang W and McCulloch I (2011). Benzotrithiophene - A Planar, Electron-Rich Building Block for Organic Semiconductors. Organic Letters, American Chemical Society (ACS) vol. 13 (9), 2414-2417. 05-04-2011
Mavrinskiy A, Nielsen CB, Reynolds JR, Müllen K and Pisula W (2011). Influence of the Alkyl Mantle on the Self-Assembly of Phenylene−Thienylene-Based Oligomers. Chemistry of Materials, American Chemical Society (ACS) vol. 23 (7), 1939-1945. 01-03-2011
Donaghey JE, Ashraf RS, Kim Y, Huang ZG, Nielsen CB, Zhang W, Schroeder B, Grenier CRG, Brown CT, D'Angelo P, Smith J, Watkins S, Song K, Anthopoulos TD, Durrant JR, Williams CK and McCulloch I (2011). Pyrroloindacenodithiophene containing polymers for organic field effect transistors and organic photovoltaics. Journal of Materials Chemistry, Royal Society of Chemistry (RSC) vol. 21 (46), 18744-18752. 01-01-2011
Nielsen CB, Schroeder BC, Hadipour A, Rand BP, Watkins SE and McCulloch I (2011). A benzotrithiophene-based low band gap polymer for polymer solar cells with high open-circuit voltage. Journal of Materials Chemistry, Royal Society of Chemistry (RSC) vol. 21 (44), 17642-17645. 01-01-2011
2009
Tuladhar SM, Sims M, Choulis SA, Nielsen CB, George WN, Steinke JHG, Bradley DDC and Nelson J (2009). Influence of side chain symmetry on the performance of poly(2,5-dialkoxy-p-phenylenevinylene): fullerene blend solar cells. Organic Electronics, Elsevier vol. 10 (4), 562-567. 01-07-2009
Tuladhar SM, Sims M, Kirkpatrick J, Maher RC, Chatten AJ, Bradley DDC, Nelson J, Etchegoin PG, Nielsen CB, Massiot P, George WN and Steinke JHG (2009). Influence of alkyl chain length on charge transport in symmetrically substituted poly(2,5-dialkoxy-p-phenylenevinylene) polymers. Physical Review B, American Physical Society (APS) vol. 79 (3) 08-01-2009
2008
Nielsen CB, Angerhofer A, Abboud KA and Reynolds JR (2008). Discrete Photopatternable π-Conjugated Oligomers for Electrochromic Devices. Journal of the American Chemical Society, American Chemical Society (ACS) vol. 130 (30), 9734-9746. 01-07-2008
2007
Sims M, Tuladhar SM, Nelson J, Maher RC, Campoy-Quiles M, Choulis SA, Mairy M, Bradley DDC, Etchegoin PG, Tregidgo C, Suhling K, Richards DR, Massiot P, Nielsen CB and Steinke JHG (2007). Correlation between microstructure and charge transport in poly(2,5-dimethoxy-p-phenylenevinylene) thin films. Physical Review B, American Physical Society (APS) vol. 76 (19) 15-11-2007
2005
Nielsen CB and Bjørnholm T (2005). Structure−Property Relations of Regiosymmetrical 3,4-Dioxy-Functionalized Polythiophenes. Macromolecules, American Chemical Society (ACS) vol. 38 (25), 10379-10387. 09-11-2005
2004
Nielsen CB and Bjørnholm T (2004). New Regiosymmetrical Dioxopyrrolo- and Dihydropyrrolo-Functionalized Polythiophenes. Organic Letters, American Chemical Society (ACS) vol. 6 (19), 3381-3384. 20-08-2004
Laursen BW, Nørgaard K, Reitzel N, Simonsen JB, Nielsen CB, Als-Nielsen J, Bjørnholm T, Sølling TI, Nielsen MM, Bunk O, Kjaer K, Tchebotareva N, Watson MD, Müllen K and Piris J (2004). Macroscopic Alignment of Graphene Stacks by Langmuir−Blodgett Deposition of Amphiphilic Hexabenzocoronenes. Langmuir, American Chemical Society (ACS) vol. 20 (10), 4139-4146. 09-04-2004
Grants
Grants of specific relevance to the Centre for Chemical ResearchSequence-Defined Pi-Conjugated Materials - EPSRC CASE conversionChristian Nielsen and Andrew Livingston
£62,500 CDT Cambridge Display Technology Limited (01-10-2023 - 31-03-2027)
FET Open 2020: Mixed Ionic and electronic Transport In Conjugated polymers for bioelectronicsChristian Nielsen
£268,744 EU Commission - Horizon 2020 (01-02-2021 - 31-01-2025)
Centre for Advanced MaterialsWilliam Gillin and Christian Nielsen
£157,625 EPSRC Engineering and Physical Sciences Research Council (01-12-2016 - 30-11-2022)
Additive-Stabilized Polymer Electronics ManufacturingChristian Nielsen
£223,856 EPSRC Engineering and Physical Sciences Research Council (01-07-2018 - 31-12-2021)