Deposition and characterisation of perovskite thin films (2021)
Thesis
Gregory, C. Deposition and characterisation of perovskite thin films. (Dissertation). University of Salford

The work presented in this thesis investigates the synthesis, depo- sition and characterisation of halide doped perovskite thin films. Films of methylammonium lead iodide CH3NH3PbI3 were doped with Cl and Br ions to investigate the intrinsic diffe... Read More about Deposition and characterisation of perovskite thin films.

Understanding nanomechanical and surface ellipsometry of optical F-doped SnO2 thin films by in-line APCVD (2020)
Journal Article
Afzaal, M., Yates, H., Al-Ahmed, A., Ul-Hamid, A., Salhi, B., & Ali, M. (2020). Understanding nanomechanical and surface ellipsometry of optical F-doped SnO2 thin films by in-line APCVD. Applied Physics A, 126, 840. https://doi.org/10.1007/s00339-020-04033-z

In this paper, a production-type chemical vapour deposition (CVD) is utilized to deposit fluorine doped tin oxide thin films of different thicknesses and dopant levels. Deposited films showed a preferred orientation along the (200) plane of a tetra... Read More about Understanding nanomechanical and surface ellipsometry of optical F-doped SnO2 thin films by in-line APCVD.

Flame assisted chemical vapour deposition of NiO hole transport layers for planar perovskite cells (2020)
Journal Article
Yates, H., Hodgkinson, J., Meroni, S., Richards, D., & Watson, T. (2020). Flame assisted chemical vapour deposition of NiO hole transport layers for planar perovskite cells. Surface and Coatings Technology, 385, 125423. https://doi.org/10.1016/j.surfcoat.2020.125423

Thin films of polycrystalline NiO were deposited by Flame Assisted Chemical Vapour Deposition, which is an ideal process for in-line, atmospheric pressure deposition of wide area coatings. This, along with the ability to use aqueous salts rather than... Read More about Flame assisted chemical vapour deposition of NiO hole transport layers for planar perovskite cells.

Flame assisted chemical vapour deposition NiO hole transport layers for mesoporous carbon perovskite cells (2019)
Journal Article
Yates, H., Meroni, M., Raptis, D., Hodgkinson, J., & Watson, T. (2019). Flame assisted chemical vapour deposition NiO hole transport layers for mesoporous carbon perovskite cells. Journal of Materials Chemistry C, 7(42), 13235-13242. https://doi.org/10.1039/C9TC03922H

Flame Assisted Chemical Vapour Deposition was utilised to directly deposit polycrystalline mesoporous NiO to enhance charge transport within carbon perovskite solar cells (C-PSC). This versatile technique is highly suited... Read More about Flame assisted chemical vapour deposition NiO hole transport layers for mesoporous carbon perovskite cells.

Improved FTO/NiOx interfaces for inverted planar triple cation perovskite solar cells (2019)
Journal Article
Afzaal, M., Yates, H., Walter, A., & Nicolay, S. (2019). Improved FTO/NiOx interfaces for inverted planar triple cation perovskite solar cells. IEEE Journal of Photovoltaics, 9(5), 1302-1308. https://doi.org/10.1109/JPHOTOV.2019.2927927

Front electrodes of fluorine doped tin oxide (FTO) thin films and hole transporting layers of nickel oxide thin films have been combined to fabricate 1.063 cm2 inverted planar solar cells with cesium-containing triple cation p... Read More about Improved FTO/NiOx interfaces for inverted planar triple cation perovskite solar cells.

Optically tuned and large-grained bromine doped CH3NH3PbI3 perovskite thin films via aerosol-assisted chemical vapour deposition (2018)
Journal Article
Basak, S., Afzaal, M., & Yates, H. (2019). Optically tuned and large-grained bromine doped CH3NH3PbI3 perovskite thin films via aerosol-assisted chemical vapour deposition. Materials Chemistry and Physics, 223, 157-163. https://doi.org/10.1016/j.matchemphys.2018.10.054

Herein, doping of methylammonium lead iodide perovskite thin films with bromine ions is successfully performed for the first time using the aerosol-assisted chemical vapour deposition process. Depending on the doping levels, photoluminescence spect... Read More about Optically tuned and large-grained bromine doped CH3NH3PbI3 perovskite thin films via aerosol-assisted chemical vapour deposition.

Roll to roll atmospheric pressure plasma enhanced CVD of titania as a step towards the realisation of large area perovskite solar cell technology (2018)
Journal Article
Hodgkinson, J., Yates, H., Walter, A., Sacchetto, D., Moon, S., & Nicolay, S. (2018). Roll to roll atmospheric pressure plasma enhanced CVD of titania as a step towards the realisation of large area perovskite solar cell technology. Journal of Materials Chemistry C, 6(8), 1988-1995. https://doi.org/10.1039/c8tc00110c

Atmospheric pressure plasma enhanced CVD (AP PECVD) systems have attracted considerable interest in recent years due to the significant benefits for large area, low cost substrates and low temperature operation. In this work we describe the use of... Read More about Roll to roll atmospheric pressure plasma enhanced CVD of titania as a step towards the realisation of large area perovskite solar cell technology.

Surface-related properties of perovskite CH3NH3PbI3 thin films by aerosol-assisted chemical vapour deposition (2017)
Journal Article
Afzaal, M., Salhi, B., Al-Ahmed, A., Yates, H., & Hakeem, A. (2017). Surface-related properties of perovskite CH3NH3PbI3 thin films by aerosol-assisted chemical vapour deposition. Journal of Materials Chemistry C, 5(33), 8366-8370. https://doi.org/10.1039/C7TC02968C

A modified three-step aerosol-assisted chemical vapour deposition process was used to grow dense and uniform CH3NH3PbI3 thin films directly on borosilicate glass. The resulting photoluminescence spectrum was blue shifted with respect to its bandgap.... Read More about Surface-related properties of perovskite CH3NH3PbI3 thin films by aerosol-assisted chemical vapour deposition.

Dual functionality anti-reflection and biocidal coatings (2017)
Journal Article
Yates, H., Sheel, P., Hodgkinson, J., Warwick, M., Elfakhri, S., & Foster, H. (2017). Dual functionality anti-reflection and biocidal coatings. Surface and Coatings Technology, 324, 201-207. https://doi.org/10.1016/j.surfcoat.2017.05.077

A thin film combination of anti-reflection (AR) and biocidal properties would be of particular interest to reduce the transfer of infection and improve readability of public high use touch screens. In this paper we describe the development of a dual... Read More about Dual functionality anti-reflection and biocidal coatings.

1 cm2 CH3NH3PbI3 mesoporous solar cells with 17.8% steady-state efficiency by tailoring front FTO electrodes (2017)
Journal Article
Afzaal, M., Yates, H., Walter, A., Nicolay, S., & Ballif, C. (2017). 1 cm2 CH3NH3PbI3 mesoporous solar cells with 17.8% steady-state efficiency by tailoring front FTO electrodes. Journal of Materials Chemistry C, 5(20), 4946-4950. https://doi.org/10.1039/c7tc01248a

In this article, we investigate the effects of atmospheric-pressure chemical vapour deposited fluorine doped tin oxide (FTO) thin films as front electrodes for the fabrication of mesoporous perovskite solar cells with an active area of 1 cm2 and co... Read More about 1 cm2 CH3NH3PbI3 mesoporous solar cells with 17.8% steady-state efficiency by tailoring front FTO electrodes.