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Spatially composition-graded alloy semiconductor nanowires and wavelength specific lateral-multijunction full-spectrum solar cells

  • Arizona State University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

We demonstrate chemical vapor deposition of single crystal Zn xCd1-xSySe1-y alloy nanowires with continuous spatial composition-grading (x and y from 0 to1) across a single wafer, resulting in a controlled spatial bandgap variation from ∼ 3.6 eV (ZnS) to ∼ 1.7eV (CdSe). To take advantage of this unprecedented material capability for photovoltaic applications, we analyzed several designs of lateral multijunction solar cells, where incoming solar light is spectrally dispersed, such that each wavelength band is incident onto a region of the wafer with the corresponding bandgap. Such designs have potential of realizing large numbers of junctions to allow the full potential of many junctions to be explored for high-efficiency dispersive concentration photovoltaics.

源语言英语
主期刊名2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
1492-1495
页数4
DOI
出版状态已出版 - 2009
已对外发布
活动2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009 - Philadelphia, PA, 美国
期限: 7 6月 200912 6月 2009

丛书

姓名Conference Record of the IEEE Photovoltaic Specialists Conference
ISSN(印刷版)0160-8371

会议

会议2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
国家/地区美国
Philadelphia, PA
时期7/06/0912/06/09

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