Neodymium-doped fluorochlorozirconate glasses as an upconversion model system for high efficiency solar cells

被引：45

作者：

Ahrens, Bernd ^{[4
]}

Loeper, Philipp ^{[3
]}

Goldschmidt, Jan Christoph ^{[3
]}

Glunz, Stefan ^{[3
]}

Henke, Bastian ^{[1
]}

Miclea, Paul-Tiberiu ^{[1
,2
]}

Schweizer, Stefan ^{[1
,2
]}

机构：

[1] Fraunhofer Ctr Silicon Photovolta, D-06120 Halle, Germany

[2] Univ Halle Wittenberg, Inst Phys, D-06120 Halle, Germany

[3] Fraunhofer Inst Solar Energy Syst, D-79110 Freiburg, Germany

[4] Univ Gesamthsch Paderborn, Dept Phys, Fac Sci, D-33098 Paderborn, Germany

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2008年 / 205卷 / 12期

关键词：

D O I：

10.1002/pssa.200880452

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermal processing of as-made fluorozirconate glasses which were additionally doped with neodymium and chlorine ions leads to enhanced upconversion fluorescence intensities. The samples were annealed between 240 degrees C and 290 degrees C and the optimum value of upconversion intensity was found for the 270 degrees C sample. The development of glasses doped with Er, whose luminescence characteristics make it a better choice for application as an upconversion layer on silicon solar cells, is in progress. In addition, we present external quantum efficiency measurements of a silicon solar cell with a NaYF4:Er3+ upconverter. We also show a theoretical analysis where erbium transitions can be enhanced selectively to increase upconversion efficiency. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2822 / 2830

页数：9

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