In Situ Analysis of the Zn(S,O) Buffer Layer Preparation for Chalcopyrite Solar Cells by Zn L‐edge X‐Ray Absorption Spectroscopy

ChemPhysChem - Tập 10 Số 3 - Trang 532-535 - 2009
Iver Lauermann1, Timo Kropp2, Damien Vottier1, A. Ennaoui1, W. Eberhardt2, Emad F. Aziz2
1Helmholtz Zentrum für Materialien und Energie, Glienicker Str. 100, 14109 Berlin, Germany
2BESSY GmbH, Albert‐Einstein‐Strasse 15, 12489 Berlin (Germany), Fax: (+49) 30 6392 4757

Tóm tắt

AbstractBridging the gap between high‐vacuum soft X‐ray absorption spectroscopy and real systems under ambient conditions probes chemical reactions in situ during deposition and annealing processes. The origin of highly efficient buffer layers in Zn(S,O) is the complex formation between Zn2+ and the SC group of thiourea (see schematic), which allows ligand‐to‐metal and metal‐to‐ligand charge transfer (LMCT and MLCT).magnified image

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ChemPhysChem

Tập 10 Số 3

532-535

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