Increased conversion efficiency in cadmium telluride photovoltaics by luminescent downshifting with quantum dot/poly(methyl methacrylate) films

被引：17

作者：

Hodgson, Simon D. ^{[1
]}

Brooks, William S. M. ^{[1
]}

Clayton, Andrew J. ^{[1
]}

Kartopu, Giray ^{[1
]}

Lamb, Daniel A. ^{[1
]}

Barrioz, Vincent ^{[1
]}

Irvine, Stuart J. C. ^{[1
]}

机构：

[1] Glyndwr Univ, Ctr Solar Energy Res, Ffordd William Morgan, St Asaph LL17 0JD, Wales

来源：

PROGRESS IN PHOTOVOLTAICS | 2015年 / 23卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

quantum dots; CdTe photovoltaics; luminescent downshifting; LBIC; scattering; photon management; SOLAR; PHOTOSTABILITY; PERFORMANCE; CELLS;

D O I：

10.1002/pip.2408

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Commercially available quantum dots have been encapsulated in a poly(methyl methacrylate) film and used as a luminescent downshifting layer on cadmium sulfide/cadmium telluride photovoltaic devices. Application of these films has resulted in a relative improvement to the short-circuit current of over 4% by I-V measurement, with a significant increase in the contribution of short-wavelength light resulting in 25% of the current available in this part of the spectrum being captured. The films have been shown to be highly scattering and the associated difficulties this provides to external quantum efficiency measurements have been discussed. A range of optical characterisation techniques, particularly laser beam induced current, have been used to probe the effect the films have on a cadmium sulfide/cadmium telluride device. An alternate methodology for performing external quantum efficiency measurements with the quantum dot films has been proposed. Copyright (C) 2013 John Wiley & Sons, Ltd.

引用

页码：150 / 159

页数：10

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