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1. 发明授权

US07618838B2 Hybrid solar cells based on nanostructured semiconductors and organic materials 有权
标题翻译：基于纳米结构半导体和有机材料的混合太阳能电池
公开(公告)号：US07618838B2
公开(公告)日：2009-11-17
申请号：US11410796
申请日：2006-04-25
申请人： Igor A. Levitsky , William B. Euler , Natalya A. Tokranova , Bai Xu , James Castracane
发明人： Igor A. Levitsky , William B. Euler , Natalya A. Tokranova , Bai Xu , James Castracane
IPC分类号： H01L51/48 , H01L31/00
CPC分类号： H01L51/4213 , H01L51/0037 , H01L51/0078 , H01L51/4253 , Y02E10/549
摘要： A method for forming a photovoltaic cell which includes forming a nanostructured layer in a semiconductor material having a plurality of pores opening onto a surface, the plurality of pores having a depth greater than about 1 micron and a diameter between about 5 nanometers and about 1,200 nanometers, and disposing an organic charge-transfer material in the pores of the nanostructured layer. A first electrode is attached to the semiconductor material, and a second electrode is attached to the organic charge-transfer material. The semiconductor material has a thickness between about 5 microns and about 700 microns. Desirably, the nanostructured layer has a porosity of less than the porosity corresponding to the percolation threshold, and the organic charge-transfer material extends at least about 100 nm from the surface of the nanostructured layer. The organic charge-transfer material may partially cover the sides of the pores of the nanostructured layer thereby providing a generally cylindrical cavity therein.
摘要翻译：一种形成光伏电池的方法，包括在半导体材料中形成纳米结构层，所述半导体材料具有在表面上开口的多个孔，所述多个孔的深度大于约1微米，直径在约5纳米至约1,200纳米并且在纳米结构层的孔中设置有机电荷转移材料。第一电极附接到半导体材料，第二电极附着到有机电荷转移材料上。半导体材料具有约5微米至约700微米的厚度。期望地，纳米结构层具有小于对应于渗滤阈值的孔隙率的孔隙率，并且有机电荷转移材料从纳米结构层的表面延伸至少约100nm。有机电荷转移材料可以部分地覆盖纳米结构层的孔的侧面，从而在其中提供大致圆柱形的空腔。

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