Reference : Fabrication and characterization of kesterite Cu2ZnSnS4 thin films deposited by elect...

	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
	To cite this reference:	http://hdl.handle.net/10993/18089

Title :	Fabrication and characterization of kesterite Cu2ZnSnS4 thin films deposited by electrostatic spray assisted vapour deposition method
Language :	English
Author, co-author :	Liu, J. P. [University College London - UCL]
	Choy, Kwang-Leong [University College London - UCL]
	Placidi, M. [IREC-Catalonia Institute for Energy Research]
	López-García, J. [IREC-Catalonia Institute for Energy Research]
	Saucedo, Edgardo [IREC-Catalonia Institute for Energy Research]
	Colombara, Diego [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
	Robert, Erika [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Publication date :	2014
Journal title :	Physica Status Solidi A. Applications and Materials Science
Publisher :	Wiley-VCH Verlag
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	1862-6300
e-ISSN :	1862-6319
City :	Weinheim
Country :	Germany
Keywords :	[en] Cu2ZnSnS4 ; Vapour deposition ; Thin films ; Kesterites ; Solar cells ; Electrospray ; CZTS
Abstract :	[en] Most of the high efficiency kesterite solar cells are fabricated by vacuum or hydrazine-based solution methods which have drawbacks, such as high cost, high toxicity or explosivity. In our contribution, an alternative non-vacuum and environmental friendly deposition technology called electrostatic spray assisted vapour deposition (ESAVD) has been used for the cost-effective growth of Cu2ZnSnS4 (CZTS) thin films with well controlled structure and composition. CZTS films have been characterized using a combination of XRD, XPS, SEM-EDX, AFM, and Raman spectroscopy. The results demonstrated that adherent, uniform and homogeneous CZTS films without apparent secondary phases have been produced by ESAVD. The atomic ratios measured by EDX are Cu/(Zn + Sn) = 0.88 and Zn/Sn = 1.17,which are very close with the reported high efficiency solar cells and can be finely tuned by formulating the precursor.CZTS films exhibited a typical optical band gap of 1.53 eV from UV–Vis analysis. Cu2ZnSnS4 produced by the ESAVD are being optimized towards the fabrication of high efficiency photovoltaic devices.
Funders :	European Commission - EC
Permalink :	http://hdl.handle.net/10993/18089
DOI :	10.1002/pssa.201431374
Other URL :	http://onlinelibrary.wiley.com/doi/10.1002/pssa.201431374/abstract
Mentions required by the publisher for OA :	The original publication is available at: http://onlinelibrary.wiley.com
Framework Programme / European Project :	FP7 ; 284486 - SCALENANO - Development and scale-up of nanostructured based materials and processes for low cost high efficiency chalcogenide based photovoltaics

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