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An alternative non-vacuum and low cost ESAVD method for the deposition of Cu(In,Ga)Se2 absorber layers

Wang, Mingqing; Hou, Xianghui; Liu, Junpeng; Choy, KwangLeong; Gibson, Paul; Salem, Elhamali; Koutsogeorgis, Demosthenes; Cranton, Wayne

Authors

Mingqing Wang

Junpeng Liu

KwangLeong Choy

Paul Gibson

Elhamali Salem

Demosthenes Koutsogeorgis

Wayne Cranton



Abstract

In this article, an environmentally friendly and non vacuum electrostatic spray assisted vapour deposition (ESAVD) process has been developed as an alternative and low cost method to deposit CIGS absorber layers. ESAVD is a non-vacuum chemical vapour deposition based process whereby a mixture of chemical precursors is atomized to form aerosol. The aerosol is charged and directed towards a heated substrate where it would undergo decomposition and chemical reaction to deposit a stable solid film onto the substrate. A sol containing copper, indium and gallium salts, as well as thiourea was formulated into a homogene-ous chemical precursor mixture for the deposition of CIGS films. After selenization, both XRD and Raman results show the presence of the characteristic peaks of CIGSSe in the fabricated thin films. From SEM images and XRF results, it can be seen that the deposited absorbers are promising for good performance solar cells. The fabricated solar cell with a typical structure of glass/Mo/CIGSSe/CdS/i-ZnO/ITO shows efficiency of 2.82% under 100mW/cm2 AM1.5 illumination.

Journal Article Type Article
Publication Date Jan 14, 2015
Journal Physica Status Solidi A: Applied Research
Electronic ISSN 0031-8965
Peer Reviewed Peer Reviewed
Volume 212
APA6 Citation Wang, M., Hou, X., Liu, J., Choy, K., Gibson, P., Salem, E., …Cranton, W. (2015). An alternative non-vacuum and low cost ESAVD method for the deposition of Cu(In,Ga)Se2 absorber layers. Physica Status Solidi a Applied Research, 212, https://doi.org/10.1002/pssa.201431295
DOI https://doi.org/10.1002/pssa.201431295
Keywords Electrostatic Spray-Assisted Vapor Deposition, Chalcopyrites, Selenization, CuInGaSe2
Publisher URL http://onlinelibrary.wiley.com/doi/10.1002/pssa.201431295/full
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information This is the peer reviewed version of the following article: Wang, M., Hou, X., Liu, J., Choy, K., Gibson, P., Salem, E., Koutsogeorgis, D. and Cranton, W. (2015), An alternative non-vacuum and low cost ESAVD method for the deposition of Cu(In,Ga)Se2 absorber layers. Phys. Status Solidi A, 212: 72–75. doi: 10.1002/pssa.201431295 which has been published in final form at http://onlinelibrary.wi...002/pssa.201431295/full This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.

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An Alternative Non-vacuum and Low Cost ESAVD Method for the Deposition of Cu(In%2cGa)Se2 Absorber Layers _Mingqing Wang et al_UCL.pdf (601 Kb)
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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