Multiwavelength excitation Raman scattering of Cu2ZnSn1-xGex(S,Se)4 single crystals for earth abundant photovoltaic applications
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- 作者：E. Garcia-Llamasa ; M. Gucb ; c ; I.V. Bodnard ; X. Fontané ; b ; R. Caballeroa ; J.M. Merinoa ; M. Leó ; na ; V. Izquierdo-Rocab ; vizquierdo@irec.cat" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cu2ZnSn1-xGex(S ; Se)4 ; Single crystals ; XRD ; Raman spectroscopy ; Fingerprint spectra
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：25 January 2017
- 年：2017
- 卷：692
- 期：Complete
- 页码：249-256
- 全文大小：2750 K
文摘
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Single crystals of Cu2ZnSn1-xGex(S,Se)4 were grown by chemical vapour transport.
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XRD and EDX spectra show high quality of the crystals.
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Raman spectra measured using different excitation wavelengths.
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Different models discussed to explain the one-two mode behavior of Raman peaks.
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Ways of the solid solution composition assessment from Raman spectra proposed.