Dr Radomir Slavchov
Lecturer in Chemical Engineering
School of Engineering and Materials Science
Queen Mary University of London
Queen Mary University of London
Research
surfactants, electrolytes, capillarity, wetting, chemical physics, solvent effects
Interests
- Formulation problems (distribution of surfactants and electrolytes in complex multiphase multi-interface systems)- Colloid and interface science
- Quadrupolar solvents, in particular CO2
Publications
Publications of specific relevance to the Centre for Sustainable Engineering2025
Charge Regulation in Liquid Films Stabilized by Ionic Surfactants: Change in Adsorption with Film Thickness and Phase TransitionsDimitrova IM and Slavchov RI
Molecules, Mdpi vol. 30 (3)
01-02-2025
Chemisorption and physisorption of alcohols on iron(III) oxide-terminated surfaces from nonpolar solventsSalama IE, Slavchov RI, Filip SV and Clarke SM
Journal of Colloid and Interface Science, Elsevier vol. 685, 15-28.
16-01-2025
2024
Measuring the Equilibrium Spreading Pressure—A Tale of Three AmphiphilesPeychev B, Arabadzhieva D, Minkov IL, Dimitrova IM, Mileva E, Smoukov SK and Slavchov RI
Molecules, Mdpi vol. 29 (17)
24-08-2024
Electrolytes at Uncharged Liquid Interfaces: Adsorption, Potentials, Surface Tension, and the Role of the Surfactant MonolayerSlavchov RI, Peychev B and Minkov I
Langmuir, American Chemical Society (Acs) vol. 40 (33), 17170-17189.
12-08-2024
Corrosion maps: Stability and composition diagrams for corrosion problems in CO2 transportSlavchov RI, Iqbal MH, Faraji S, Madden D, Sonke J and Clarke SM
Corrosion Science, Elsevier vol. 236
01-08-2024
Quantifying the Hydrophobic Effect per CF2 Moiety from Adsorption of Fluorinated Alcohols at the Water/Oil InterfacePeychev B, Arabadzhieva D, Minkov IL, Mileva E and Slavchov RI
Molecules, Mdpi vol. 29 (7)
22-03-2024
Phase transitions of fluorotelomer alcohols at the water¦alkane interface studied via molecular dynamics simulationBurrows S, Shon JW, Peychev B, Slavchov R and Smoukov S
Soft Matter, Royal Society of Chemistry
06-02-2024
2023
Theory of adsorption of ethoxylates at the water | oil and water | air interfaces. 1. Monolayers of single–component and Poisson distributed alkylphenol ethoxylatesSlavchov RI
Journal of Colloid and Interface Science, Elsevier
19-06-2023
Effect of the solvent quadrupolarizability on the strength of the hydrogen bond: Theory vs data for the Gibbs energy and enthalpy of homo- and heteroassociation between carboxylic acids and waterFarren LJ, Sharifi N, Clarke SM and Slavchov RI
The Journal of Chemical Physics, American Institute of Physics vol. 158 (21)
07-06-2023
Measuring the Adsorption of Electrolytes on Lipid Monolayers.Peychev B, Arabadzhieva D, Minkov I, Mileva E, Smoukov SK and Slavchov RI
Journal of Physical Chemistry Letters, American Chemical Society, 4652-4656.
11-05-2023
Can diesel internal injector deposits form via an electrokinetic mechanism?Slavchov RI, Radev I, Philippi W, Peinecke V, Clarke SM and Filip S
Fuel, Elsevier vol. 338
01-04-2023
Interactions between Small Inorganic Ions and Uncharged Monolayers on the Water/Air InterfacePeychev B and Slavchov RI
Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), American Chemical Society
17-03-2023
2022
Minimum surfactant concentration required for inducing self-shaping of oil droplets and competitive adsorption effectsFeng J, Valkova Z, Lin EE, Nourafkan E, Wang T, Tcholakova S, Slavchov R and Smoukov SK
Soft Matter, Royal Society of Chemistry vol. 18 (35), 6729-6738.
25-08-2022
2021
Characterization of capillary waves: a review and a new optical methodSlavchov R, Peychev B and Ismail A
Physics of Fluids, Aip Publishing vol. 33 (10)
29-10-2021
The cause of accelerated desorption of sparingly soluble dodecanol monolayers: Convection or leakage?Minkov IL, Dimitrova IM, Arabadzhieva D, Mileva E and Slavchov RI
Colloids and Surfaces a: Physicochemical and Engineering Aspects, Elsevier vol. 629
23-08-2021
Processing code for optical characterization of flat capillary wavesSlavchov R, Peychev B and ISMAIL A
23-07-2021
Adsorption model and phase transitions of diblock perfluoroalkylated surfactants at the water—alkane interfacePeychev B and Slavchov RI
Journal of Colloid and Interface Science
19-02-2021
2020
Quadrupolarizability of Liquid Mixtures.Dimitrova IM, Yordanova VI and Slavchov RI
The Journal of Physical Chemistry B: Biophysical Chemistry, Biomaterials, Liquids, and Soft Matter, American Chemical Society
15-12-2020
The role of NOSlavchov RI, Salamanca M, Russo D, Salama I, Mosbach S, Clarke SM, Kraft M, Lapkin AA and Filip SV
Fuel, Elsevier vol. 267
07-02-2020
Nanotechnology in MedicineNikolova M, Slavchov R and Nikolova G
In Drug Discovery and Evaluation: Methods in Clinical Pharmacology, Springer Nature 533-546.
01-01-2020
2019
From the molecular quadrupole moment of oxygen to the macroscopic quadrupolarizability of its liquid phaseSlavchov RI, Dimitrova IM and Menon A
Journal of Chemical Physics, Aip Publishing Llc vol. 151 (6)
14-08-2019
Improved methodology for performing the inverse Abel transform of flame images for color ratio pyrometry.Dreyer JAH, Slavchov RI, Rees EJ, Akroyd J, Salamanca M, Mosbach S and Kraft M
Applied Optics, Optical Society of America vol. 58 (10), 2662-2670.
29-03-2019
Barrier kinetics of adsorption-desorption of alcohol monolayers on water under constant surface tension.Minkov IL, Arabadzhieva D, Salama IE, Mileva E and Slavchov RI
Soft Matter vol. 15 (8), 1730-1746.
09-01-2019
Correction: Barrier kinetics of adsorption-desorption of alcohol monolayers on water under constant surface tension (Soft Matter (2019), DOI: 10.1039/c8sm02076k)Minkov IL, Arabadzhieva D, Salama IE, Mileva E and Slavchov RI
Soft Matter vol. 15 (8), 1890-1890.
01-01-2019
2018
Flexoelectricity and the Formation of Carbon Nanoparticles in FlamesMartin JW, Botero M, Slavchov RI, Bowal K, Akroyd J, Mosbach S and Kraft M
The Journal of Physical Chemistry C, American Chemical Society (Acs) vol. 122 (38), 22210-22215.
31-08-2018
Effective osmotic cohesion due to the solvent molecules in a delocalized adsorbed monolayer.Slavchov RI and Ivanov IB
J Colloid Interface Sci vol. 532, 746-757.
10-08-2018
An adsorption-precipitation model for the formation of injector external deposits in internal combustion enginesSlavchov RI, Mosbach S, Kraft M, Pearson R and Filip SV
Applied Energy vol. 228, 1423-1438.
13-07-2018
Polar curved polycyclic aromatic hydrocarbons in soot formationMartin JW, Bowal K, Menon A, Slavchov RI, Akroyd J, Mosbach S and Kraft M
Proceedings of The Combustion Institute vol. 37 (1), 1117-1123.
19-06-2018
Vapor Pressure and Heat of Vaporization of Molecules That Associate in the Gas PhaseSlavchov RI, Novev JK, Mosbach S and Kraft M
Industrial & Engineering Chemistry Research, American Chemical Society (Acs) vol. 57 (16), 5722-5731.
27-03-2018
2017
The Polarization of Polycyclic Aromatic Hydrocarbons Curved by Pentagon Incorporation: The Role of the Flexoelectric DipoleMartin JW, Slavchov RI, Yapp EKY, Akroyd J, Mosbach S and Kraft M
The Journal of Physical Chemistry C, American Chemical Society (Acs) vol. 121 (48), 27154-27163.
21-11-2017
Contribution of the surface dipole moment and the contact potential-induced disjoining pressure to the stress balance at a three-phase contactSlavchov RI, Dimitrova IM and Radoev BP
Colloid Journal, Pleiades Publishing vol. 79 (6), 815-821.
01-11-2017
Evaporating foam films of pure liquid stabilized via the thermal Marangoni effectNovev JK, Panchev N and Slavchov RI
Chemical Engineering Science vol. 171, 520-533.
09-06-2017
Comment on “A spherical cavity model for quadrupolar dielectrics” [J. Chem. Phys. 144, 114502 (2016)]Dimitrova IM, Slavchov RI, Ivanov T and Mosbach S
The Journal of Chemical Physics, Aip Publishing vol. 146 (18)
11-05-2017
Adsorption parameters and phase behaviour of non-ionic surfactants at liquid interfacesSlavchov RI and Ivanov IB
Soft Matter, Royal Society of Chemistry (Rsc) vol. 13 (46), 8829-8848.
01-01-2017
2016
Energy of Liposome Patch Adhesion to the Pipet Glass Determined by Confocal Fluorescence MicroscopyNakayama Y, Slavchov RI, Bavi N and Martinac B
Journal of Physical Chemistry Letters vol. 7 (22), 4530-4534.
17-11-2016
Adsorption of Ions at Uncharged Insoluble MonolayersPeshkova TV, Minkov IL, Tsekov R and Slavchov RI
Langmuir, American Chemical Society (Acs) vol. 32 (35), 8858-8871.
26-08-2016
A spherical cavity model for quadrupolar dielectricsDimitrova IM, Slavchov RI, Ivanov T and Mosbach S
The Journal of Chemical Physics, Aip Publishing vol. 144 (11)
17-03-2016
2015
The polarized interface between quadrupolar insulators: Maxwell stress tensor, surface tension, and potentialSlavchov RI, Dimitrova IM and Ivanov T
The Journal of Chemical Physics, Aip Publishing vol. 143 (15)
21-10-2015
2014
Gigaseal Mechanics: Creep of the Gigaseal under the Action of Pressure, Adhesion, and VoltageSlavchov RI, Nomura T, Martinac B, Sokabe M and Sachs F
The Journal of Physical Chemistry B, American Chemical Society (Acs) vol. 118 (44), 12660-12672.
22-10-2014
Markov chain model for the critical micelle concentration of surfactant mixturesSlavchov RI and Georgiev GS
Colloid and Polymer Science, Springer Nature vol. 292 (11), 2927-2937.
29-07-2014
Adsorption of ions at the interface oil|aqueous electrolyte and at interfaces with adsorbed alcoholSlavchov RI and Peshkova TV
Journal of Colloid and Interface Science, Elsevier vol. 428, 257-266.
09-05-2014
Quadrupole terms in the Maxwell equations: Debye-Hückel theory in quadrupolarizable solvent and self-salting-out of electrolytesSlavchov RI
The Journal of Chemical Physics, Aip Publishing vol. 140 (16)
28-04-2014
Quadrupole terms in the Maxwell equations: Born energy, partial molar volume, and entropy of ionsSlavchov RI and Ivanov TI
The Journal of Chemical Physics, Aip Publishing vol. 140 (7)
21-02-2014
Fully atomistic molecular‐mechanical model of liquid alkane oils: Computational validationZahariev TK, Slavchov RI, Tadjer AV and Ivanova AN
Journal of Computational Chemistry, Wiley vol. 35 (10), 776-788.
19-02-2014
Gigaseal Mechanics: Creep of the Gigaseal under the Action of Pressure, Adhesion, and VoltageSlavchov RI, Nomura T, Martinac B, Sokabe M and Sachs F
Journal of Physical Chemistry B vol. 118 (44), 12660-12672.
01-01-2014
2013
Comment on “Surface tension of concentrated electrolyte solutions” (R.I. Slavchov, J.K. Novev, J. Colloid Interface Sci. 387 (2012) 234)Slavchov RI and Novev JK
Journal of Colloid and Interface Science, Elsevier vol. 423, 168-169.
04-12-2013
Surface tension and surface Δχ-potential of concentrated Z+:Z− electrolyte solutionsSlavchov RI, Novev JK, Peshkova TV and Grozev NA
Journal of Colloid and Interface Science, Elsevier vol. 403, 113-126.
30-04-2013
Cohesive and non-cohesive adsorption of surfactants at liquid interfacesSlavchov RI, Dimitrova IM and Ivanov IB
Understanding Complex Systems, 199-225.
01-01-2013
Cohesive and Non-cohesive Adsorption of Surfactants at Liquid InterfacesSlavchov RI, Dimitrova IM and Ivanov IB
In Without Bounds: a Scientific Canvas of Nonlinearity and Complex Dynamics, Springer Nature 199-225.
01-01-2013
2012
Surface tension of concentrated electrolyte solutionsSlavchov RI and Novev JK
Journal of Colloid and Interface Science, Elsevier vol. 387 (1), 234-243.
20-07-2012
2011
Hofmeister effect on micellization, thin films and emulsion stabilityIvanov IB, Slavchov RI, Basheva ES, Sidzhakova D and Karakashev SI
Advances in Colloid and Interface Science, Elsevier vol. 168 (1-2), 93-104.
16-06-2011
2010
Comparative validation of the analytical models for the Marangoni effect on foam film drainageKarakashev SI, Ivanova DS, Angarska ZK, Manev ED, Tsekov R, Radoev B, Slavchov R and Nguyen AV
Colloids and Surfaces a Physicochemical and Engineering Aspects, Elsevier vol. 365 (1-3), 122-136.
01-08-2010
Quantum hydrodynamics of electron gasesSlavchov R and Tsekov R
The Journal of Chemical Physics, Aip Publishing vol. 132 (8)
23-02-2010
Justification of biexponential rate law of spreading over heterogeneous and rough surfacesSlavchov R, Dutschk V, Heinrich G and Radoev B
Colloids and Surfaces a Physicochemical and Engineering Aspects, Elsevier vol. 354 (1-3), 252-260.
01-02-2010
2009
Streaming Potential Effect on the Drainage of Thin Liquid Films Stabilized by Ionic SurfactantsTsekov R, Ivanova DS, Slavchov R, Radoev B, Manev ED, Nguyen AV and Karakashev SI
Langmuir, American Chemical Society (Acs) vol. 26 (7), 4703-4708.
10-12-2009
2007
Screened potential of a charged step defect on a semiconductor surfaceSlavchov R, Ivanov T and Radoev B
Journal of Physics Condensed Matter. vol. 19 (22)
08-05-2007
2006
Effect of the surface polarizability on electrostatic screening in semiconductorsSlavchov R, Ivanov T and Radoev B
Journal of Physics Condensed Matter, Iop Publishing vol. 18 (26)
16-06-2006
2005
Equilibrium profile and rupture of wetting film on heterogeneous substratesSlavchov R, Radoev B and Stöckelhuber KW
Colloids and Surfaces A Physicochemical and Engineering Aspects. vol. 261 (1-3), 135-140.
01-07-2005
On the nature of Athabasca Oil SandsCzarnecki J, Radoev B, Schramm LL and Slavchev R
Advances in Colloid and Interface Science, Elsevier vol. 114, 53-60.
05-03-2005
Grants of specific relevance to the Centre for Sustainable Engineering
Grants of specific relevance to the Centre for Sustainable EngineeringKTP Archipelago 10144476Radomir Slavchov and Ahmed Ismail
£265,973 Innovate UK
01-06-2025 - 30-11-2027
(S&E QM Matched Funded PhD Studentship, Commercial, 2024/25, Non-Lab based, Band C, 4 Year) Solutions for Carbon Capture and Storage: Quadrupolar Solvency and AssociationRadomir Slavchov
£102,891 SHELL GLOBAL SOLUTIONS INTERNATIONAL B.V.
Grant Summary
01-10-2024 - 31-01-2029
Prevention of phase-separation of corrosive aqueous acidic solution out of liquid carbon dioxide - SEMS Industry-supported PhD studentshipRadomir Slavchov
£79,541 CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE
Grant Summary
02-02-2024 - 01-02-2027
BP-ICAM project Battery thermal management fluids and systemsRadomir Slavchov
£10,165 BP International Ltd
01-05-2021 - 30-09-2022
Research Group
Research Staff
PhD Students
- Saeid Faraji
Prevention of Phase-Separation of Corrosive Aqueous Acidic Solution Out of Liquid Carbon Dioxide - Jangwon Shon
Molecular Dynamic Simulation of Lipid-Water Interphases - Rose Walker
Kinetics of Reactions Between Impurities in Co2 Streams For Carbon Capture and Storage Operations