All-optical augmentation of solar cells using a combination of up- and downconversion

被引：9
作者：
Tayebjee, Murad J. Y. [1 ]
Rao, Akshay [1 ]
Schmidt, Timothy W. [2 ]
机构：
[1] Univ Cambridge, Cavendish Lab, Cambridge, England
[2] UNSW Sydney, ARC Ctr Excellence Exciton Sci, Sch Chem, Sydney, NSW, Australia
来源：
JOURNAL OF PHOTONICS FOR ENERGY | 2018年 / 8卷 / 02期
基金：
英国工程与自然科学研究理事会; 澳大利亚研究理事会;
关键词：
spectral conversion; solar cells; limiting efficiencies; upconversion; downconversion; UP-CONVERSION; TRIPLET EXCITONS; EFFICIENCY; PHOTOVOLTAICS; NANOCRYSTALS; ENHANCEMENT; DEVICES; LIMIT;
D O I：
10.1117/1.JPE.8.022007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The limiting efficiency of a solar cell enhanced by both up- and downconversion is calculated to be 44.6% under one sun illumination using a detailed balance formalism. We show that solar cells are enhanced by both spectral conversion and photon recycling. This device architecture has the advantage of being able to enhance existing technologies after relatively few modifications. Importantly, we show that this device architecture's limiting efficiency peaks close to the band gap of silicon, unlike other spectral converters with three absorbing thresholds. (C) 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：9
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