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Dr. Ammar Ahmed Khan
Associate Professor
Syed Babar Ali School of Science and Engineering
ammar.ahmed@lums.edu.pk
  • Profile
  • Conferences, Publications and Journal Articles

Dr. Ammar Khan completed his PhD studies from the University of Cambridge. The focus of his PhD research was studying the application of disc-like (discotic) liquid crystals as hole transport layers in hybrid organic/in-organic dye-sensitized and perovskite solar cells. Furthermore, he also studied the interaction of liquid crystalline phases with two-dimensional graphene layers for display and lasing devices. Prior to his PhD, Ammar completed his Master of Philosophy (M.Phil) degree in the Engineering Department at the University of Cambridge, as a member of St Edmund’s College. His MPhil research was focused on the development of random lasers using Organosiloxane Smectic A liquid crystals as a distributed resonant cavity. Ammar is also a LUMS alumni and graduated from LUMS with a BS in Electrical Engineering.

At present, the focus of Dr. Ammar’s research is understanding self-assembly mechanisms of liquid crystalline physical gels, and apply them to DSSCs to increase the stability and lifetime. Furthermore, the interaction of organic-semiconductors with two-dimensional materials is also being investigated for chemical and biological sensing applications.

Website Link : http://web.lums.edu.pk/~fmod/ 

Title Publication Author Year
Temperature-Dependent Photoluminescence and Grain Size Control in a Prototypical Lead-Free Bismuth Halide Perovskite Advanced Engineering Materials Jawad M., Siddique S., Aslam Z., Hussain S., Butt T.S., Saeed F., Ain Q.U., Ulhaq A., Khan A.A., 2025
P-Dopant with Spherical Anion for Stable n-i-p Perovskite Solar Cells Angewandte Chemie - International Edition Shao G., Zhou Z.-K., Wang D., Xiao J., Yang S.-G., Yu H.-J., Qu J.-F., Wu Z.-Z., Zhang J.-J., Peng L., Ain Q.U., Khan A.A., Chen Y., Yang H., Qiu Z., Hu R., Li X., Alamry K.A., Xia J., Zhang Y., Nazeeruddin M.K., 2025
Driving sustainable energy: The role of polyoxometalates (POMs) in photoelectrochemical hydrogen production Coordination Chemistry Reviews Ameen S., Tahir A., Haq T.U., Khan A.A., Butt M.T.Z., Hussain I., Hussain S.Z., Rehman H.U., 2025
Demonstrating Donor-Acceptor Covalent Conjugate of Polythiophene and Perylene Diimide as an All-Organic Photocatalyst for Enhanced Light-Driven H<inf>2</inf>O<inf>2</inf> Production ACS Applied Materials and Interfaces Iqbal S., Akbar F., Salar M.A., Butt T.S., Khan A.A., Sohail M., Yameen B., 2025
Quasi-Planar Core Based Spiro-Type Hole-Transporting Material for Dopant-Free Perovskite Solar Cells Angewandte Chemie - International Edition Shao G., Wang D., Zhou Z.-K., Yu H.-J., Kang T., Zhu W.-H., Xiao J., Yu Z.-L., Peng L., Chen J., Ul Ain Q., Chen Y., Yang H., Qiu Z., Hu R., Khan A.A., A Alamry K., Zhang Y., Xia J., Nazeeruddin M.K., 2024
All organic double cable polymers of a polythiophene donor with rhodanine and perylene diimide acceptors and evaluation of photocurrent generation Journal of Materials Chemistry C Iqbal S., Khan A.A., Butt N.Z., Ashraf R.S., Yameen B., 2023
Computational modeling of angle dependent raman and photoluminescence spectroscopy for investigating 2D molybdenum disulfide flakes induced by 5CB nematic liquid crystal under 532-nm laser excitation Optik Kashif M., Shabbir A., Ahmed Khan A., Ulhaq A., Muhammad Haseeb H., Akhtar Ali S., 2023
Interface connection of functionalized carbon nanotubes for efficient and stable perovskite solar cells Journal of Materials Chemistry A Shao G., Yu H.-J., Wang D., Xiao J., Yu Z.-L., Qu J.-F., Chen J., Ain Q.U., Khan A.A., Qiu Z., Hu R., Xia J., Alamry K.A., Nazeeruddin M.K., 2023
Transparent Liquid Crystal Hole-Transporting Material for Stable Perovskite Solar Cells Solar RRL Ul Ain Q., Xia J., Kanda H., Alwani I.R., Gao X.-X., Rehman H.U., Shao G., Jankauskas V., Rakstys K., Ahmed Khan A., Nazeeruddin M.K., 2023
Mathematical modelling of angle dependent polarization raman spectroscopy of molybdenum disulfide before and after adding strain agent Inorganic Chemistry Communications Kashif M., Shabbir A., Khan A.A., Ali A., 2022
Deterministic topological defects and quantum dot assembly in a nematic liquid crystalline medium Journal of Applied Physics Qaiser M., Bano A., Shaukat A., Hussain S.Z., Ulhaq A., Khan A.A., 2022
Columnar liquid crystals as stability enhancing hole transport layers for Ruddlesden-Popper perovskite optoelectronics Molecular Systems Design and Engineering Ain Q.u., Siddique S., Ali S.A., Ahmed H., Khan M., Saleem M., Rehman H.u., Ulhaq A., Khan A.A., 2022
Engineering fibre morphology in self-assembled physical gels of a prototypical discotic liquid crystal Liquid Crystals Ain Q.U., Iqbal S., Ali S.A., Saleem M., Rehman H.U., ulHaq A., Khan A.A., 2021
Supramolecular self-assembly and physical-gel formation in disc-like liquid crystals: A scalable predictive model for gelation and an application in photovoltaics RSC Advances Iqbal S., Khan A.A., 2019
Composite liquid crystal-polymer electrolytes in dye-sensitised solar cells: effects of mesophase alkyl chain length Liquid Crystals Kamarudin M.A., Khan A.A., Said S.M., Qasim M.M., Wilkinson T.D., 2018
Formation of physical-gel redox electrolytes through self-assembly of discotic liquid crystals: Applications in dye sensitized solar cells Electrochimica Acta Khan A.A., Kamarudin M.A., Qasim M.M., Wilkinson T.D., 2017
Plasmonic nanohole electrodes for active color tunable liquid crystal transmissive pixels Optics Letters Bartholomew R., Williams C., Khan A., Bowman R., Wilkinson T., 2017
Electrically Tunable Scattering from Devitrite???Liquid Crystal Hybrid Devices Advanced Optical Materials Butt H., Yetisen A.K., Khan A.A., Knowles K.M., Qasim M.M., Yun S.H., Wilkinson T.D., 2017
Induced alignment of a reactive mesogen-based polymer electrolyte for dye-sensitised solar cells RSC Advances Kamarudin M.A., Khan A.A., Tan E., Rughoobur G., Said S.M., Qasim M.M., Wilkinson T.D., 2017
Self-assembled liquid crystalline nanotemplates and their incorporation in dye-sensitised solar cells Electrochimica Acta Kamarudin M.A., Khan A.A., Williams C., Rughoobur G., Said S.M., Nosheen S., Flewitt A.J., Qasim M.M., Wilkinson T.D., 2016
Towards lasing from free-standing perovskite-chiral polymer film devices 2016 Conference on Lasers and Electro-Optics, CLEO 2016 Jones J.S.E., Sadhanala A., Khan A.A., Qasim M.M., Day S., Wilkinson T.D., 2016
Homologous binary mixtures and improved hole conduction of self-assembled discotic liquid crystals Organic Electronics Khan A.A., Rughoobur G., Kamarudin M.A., Sepe A., Dolan J.A., Flewitt A.J., Qasim M.M., Wilkinson T.D., 2016
Effect of dielectric permittivity on the performance of polymer dispersed liquid crystal (PDLC) electrolyte dye-sensitized solar cells (DSSCs) Proceedings of SPIE - The International Society for Optical Engineering Kamarudin M.A.A., Khan A.A., Qasim M.M., Wilkinson T.D., 2016
Improving the stability of organosiloxane smectic A liquid crystal random lasers using redox dopants Optical Materials Khan A.A., Morris S.M., Gardiner D.J., Qasim M.M., Wilkinson T.D., Coles H.J., 2015
Graphene-based ultrathin flat lenses ACS Photonics Kong X.-T., Khan A.A., Kidambi P.R., Deng S., Yetisen A.K., Dlubak B., Hiralal P., Montelongo Y., Bowen J., Xavier S., Jiang K., Amaratunga G.A.J., Hofmann S., Wilkinson T.D., Dai Q., Butt H., 2015

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