Fabrication and characterisation of Cu(In,Ga)Se2 solar cells on polyimide

Solar cells with the structure ZnO:Al/i-ZnO/CdS/Cu(In,Ga)Se2/Mo/polyimide were examined using a range of techniques. The elemental composition of the Cu(InGa)Se2 (CIGS) layers, their crystalline structure and optical properties were studied. Photoluminescence (PL) spectra of the CIGS absorber layers...

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Veröffentlicht in:	Thin solid films 2011-08, Vol.519 (21), p.7264-7267
Hauptverfasser:	ZACHMANN, H, PUTTNINS, S, YAKUSHEV, M. V, LUCKERT, F, MARTIN, R. W, KAROTKI, A. V, GREMENOK, V. F, MUDRYI, A. V
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties COPPER INDIUM SELENIDE COPPER SELENIDE DENSITY Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Energy Exact sciences and technology Excitation FABRICATION Natural energy OPTICAL PROPERTIES Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of specific thin films Photoluminescence Photovoltaic cells Photovoltaic conversion Physics Polyimide resins POLYIMIDES PROPERTIES RESINS Sodium SOLAR CELLS Solar cells. Photoelectrochemical cells Solar energy Surface and interface electron states Surface states, band structure, electron density of states
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Zusammenfassung:	Solar cells with the structure ZnO:Al/i-ZnO/CdS/Cu(In,Ga)Se2/Mo/polyimide were examined using a range of techniques. The elemental composition of the Cu(InGa)Se2 (CIGS) layers, their crystalline structure and optical properties were studied. Photoluminescence (PL) spectra of the CIGS absorber layers were studied as functions of temperature (4.2-240K) and excitation power density. The band gap energy Eg of the CIGS layers was determined by employing photoluminescence excitation (PLE) spectroscopy. The influence of sodium incorporation on the PL properties of CIGS was analysed. Correlations of the optical properties of the CIGS absorber layers and the photovoltaic parameters of the solar cells were revealed.
ISSN:	0040-6090 1879-2731
DOI:	10.1016/j.tsf.2010.12.211