Job Title
Deuteration Facility Science Lead
Office Phone Number
Office Location
RAL R80,2.06
Mobile Phone Number

​​​​​​​​​​Job Role:

​Chemical deuteration​​

​Previous Experience:​​

Was a lecturer, associate professor of materials science at Lanzhou University and a research assistant in Physical and Theoretical Chemistry Laboratory, University of Oxford

Previous Studies:

  • Graduated from Lanzhou University 
  • PhD in Physical Chemistry, University of Oxford​

Research Interests: 

A special interest in the chemical deuteration, which broadly employed in Organic Chemistry, Organometallic Chemistry, Pharmacology, Soft Matter and many fields.

Visiting Positions:

Visiting Scholar, University of Oxford​.

Committee Memberships: 

Royal Society of Chemistry.

Selected Publications:​

The role of competitive counterion adsorption on the electrolyte induced surface ordering in methyl ester sulfonate surfactants at the air-water interface - Xu, Hui; Li, Peixun; Ma, Kun; Welbourn, Rebecca J. L.; Penfold, Jeffrey; Thomas, Robert K.; Roberts, David W.; Petkov, Journal of Colloid and Interface Science, 2019,533,154-160​.

Structural Features of Reconstituted Cuticular Wax Films upon Interaction with Nonionic Surfactant C12E6​​ - Pambou, Elias; Hu, Xuzhi; Li, Zongyi; Campana, Mario; Hughes, Arwel; Li, Peixun; Webster, John R. P.; Bell, Gordon; Lu, Jian R., Langmuir, 2018, 34(11), 3395-3404.

Adsorption and self-assembly in methyl ester sulfonate surfactants, their eutectic mixtures and the role of electrolyte​​ - Xu, Hui; Li, Peixun; Ma, Kun; Welbourn, Rebecca J. L.; Doutch, James; Penfold, Jeffrey; Thomas, Robert K.; Roberts, David W.; Petkov, Jordan T.; Choo, Ken Loon; Khoo, Soo Yee, Journal of Colloid and Interface Science, 2018, 516, 456-465​.

The impact of electrolyte on the adsorption of the anionic surfactant methyl ester sulfonate at the air-solution interface: Surface multilayer formation​​ - Xu, H.; Thomas, R. K.; Penfold, J.; Li, P. X.; Ma, K.; Welbourne, R. J. L.; Roberts, D. W.; Petkov, J. T., Journal of Colloid and Interface Science (2018), 512, 231-238​.

Effects of length and hydrophilicity/hydrophobicity of diamines on self-assembly of diamine/SDS gemini-like surfactants​​ - Zhidi Chen , Jeffrey Penfold , Peixun Li, James Doutchc, Yaxun Fan and Yilin Wang, Soft Matter, 2017, 13, 8980-8989.

Adsorption at Air–Water and Oil–Water Interfaces and Self-Assembly in Aqueous Solution of Ethoxylated Polysorbate Nonionic Surfactants - Penfold, Thomas, PXL, Petkov, Tucker, Webster, and Terry, Langmuir, 2015, 31 (10), pp 3003–3011.

Biogenic amine - surfactant interactions at the air-water interface​ - ​Penfold, Thomas, PXL, J. Colloid and Interface Sci., 2014, 449, pp ​167-174.

The impact of the degree of ethoxylation of the ethoxylated polysorbate nonionic surfactant on the surface self-assembly of hydrophobin-ethoxylated polysorbate surfactant mixtures​​ - Penfold, Thomas, PXL, Petkov, Tucker, Cox, Hedges, Webster and Skoda, Langmuir, 2014, 30 (32), pp 9741–9751.

Limitations in the Use of Surface Tension and the Gibbs Equation to Determine Surface Excesses of Cationic Surfactants​​ - PXL, Thomas, and Penfold, Langmuir, 2014, 30 (23), pp 6739–6747.

Spontaneous Surface Self-Assembly in Protein-Surfactant Mixtures: Interactions between Hydrophobin and Ethoxylated Polysorbate Surfactants​ - Tucker, Petkov, Penfold, Thomas, PXL , Cox, Hedges, and Webster, Phys. Chem. B, 2014, 118 (18), pp 4867–4875.

Application of the Gibbs equation to the adsorption of nonionic surfactants and polymers at the air–water interface: comparison with surface excesses determined directly using neutron reflectivity​​ - ​​PXL, Shen, Thomas, Penfold and Lu, Langmuir, 2013, 29, pp 9324–9334.

Limitations in the application of the Gibbs equation to anionic surfactants at the air/water surface: sodium dodecylsulfate and sodium dodecylmonooxyethylenesulfate above and below the CMC​​ - Xu, PXL, Ma, Thomas, Penfold and Lu, Langmuir, 2013, 29, pp 9335–9351​.

Quiescent bilayers at the mica–water interface​​ - Speranza, Pilkington, Dane, Cresswell, PXL, Jacobs, Arnold, Bouchenoire, Thomas and Briscoe, Soft Matter, 2013, 9, pp 7028-7041.

Synchrotron XRR study of soft nanofilms at the mica–water interface​​ - Briscoe, Speranza, PXL, Konovalov, Bouchenoire, Stam, Klein, Jacobs and Thomas, Soft Matter, 2012, 8, pp 5055 - 5068.

Surface behavior, aggregation and phase separation of aqueous mixtures of dodecyl trimethylammonium bromide and sodium oligoarene sulfonates: the transition to polyelectrolyte/surfactant behavior​​ - Jiang, Huang, Bahramian, PXL, Thomas and Penfold , Langmuir, 2012, 28, pp 327–338.

Neutron reflectometry of quaternary gemini surfactants as a function of alkyl chain length: anomalies arising from ion association and premicellar aggregation​​ - PXL, Dong, Thomas, Penfold and Wang, Langmuir, 2011, 27 , pp 2575–2586.

The adsorption of gemini surfactants with partially fluorinated chains at three different surfaces: neutron reflectometry results​​ - PXL, Dong, Thomas and Wang, Langmuir, 2011, 27, pp 656-664.

The adsorption of gemini surfactants with dodecyl sidechains and different spacers, including partially fluorinated spacers, at different surfaces: neutron reflectometry results​​ - PXL, Dong and Thomas, Langmuir, 2010, 27, pp 1844–1852.​