Down conversion of high energy photons in anatase based TiO2 solar cells

被引：1

作者：

Kim, HJ ^{[1
]}

Song, JS ^{[1
]}

Koo, BK ^{[1
]}

Lee, DY ^{[1
]}

Lee, WJ ^{[1
]}

Koh, JH ^{[1
]}

机构：

[1] Korea Electrotechnol Res Inst, Elect & Magnet Devices Res Grp, Chang Won 641120, Gyeongnam, South Korea

来源：

DEVICE AND PROCESS TECHNOLOGIES FOR MEMS, MICROELECTRONICS, AND PHOTONICS III | 2004年 / 5276卷

关键词：

down conversion; solar efficiency; charge carrier; dTiO(2);

D O I：

10.1117/12.530167

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For improving solar efficiencies, down conversion of high-energy photons to visible lights is discussed. The losses due to thermalization of charge carriers generated by the absorption of high-energy photons, can largely be reduced in a solar cell if more than one electron-hole pair can be generated per incident photon. The solar cell consists of dye-sensitized anatase-based TiO2, approximately 30 nm particle size, 6 mum thickness, and 6 x 6 mm(2) active area, Pt counter electrode and I-3(-)/I-2(-) electrolyte Down conversion phosphor LiGdF4:Eu(LGF) located on the front surface of the solar cells. And we measured the photocurrent, current-voltage characteristics, and down-conversion efficiency of the down conversion system.

引用

页码：507 / 514

页数：8

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