Direct observation of Cu, Zn cation disorder in Cu2ZnSnS4 solar cell absorber material using aberration corrected scanning transmission electron microscopy

ABSTRACT Chemical analysis of individual atom columns was carried out to determine the crystal structure and local point defect chemistry of Cu2ZnSnS4. Direct evidence for a nanoscale composition inhomogeneity, in the form of Zn enrichment and Cu depletion, was obtained. The lateral size of the comp...

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Veröffentlicht in:	Progress in photovoltaics 2014-01, Vol.22 (1), p.24-34
Hauptverfasser:	Mendis, Budhika G., Shannon, Mervyn D, Goodman, Max CJ, Major, Jon D, Claridge, Richard, Halliday, Douglas P., Durose, Ken
Format:	Artikel
Sprache:	eng
Schlagworte:	adamantine compounds Applied sciences CZTS donor-acceptor pair (DAP) recombination Energy Exact sciences and technology Natural energy Photovoltaic conversion point defects Solar cells. Photoelectrochemical cells Solar collectors Solar energy solar energy materials Solar thermal conversion
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