Tuning the plasmonic absorption of metal reflectors by zinc oxide nano particles: Application in thin film solar cells

被引：17

作者：

Palanchoke, Ujwol ^{[1
,2
]}

Kurz, Henning ^{[2
]}

Noriega, Rodrigo ^{[3
]}

Arabi, Sahar ^{[1
]}

Jovanov, Vladislav ^{[1
]}

Magnus, Philipp ^{[2
]}

Aftab, Hasan ^{[1
]}

Salleo, Alberto ^{[3
]}

Stiebig, Helmut ^{[2
]}

Knipp, Dietmar ^{[1
]}

机构：

[1] Jacobs Univ, Res Ctr Funct Mat & Nanomol Sci, D-28759 Bremen, Germany

[2] Malibu GmbH & Co KG, D-33609 Bielefeld, Germany

[3] Stanford Univ, Geballe Lab Adv Mat, Dept Mat Sci & Engn, Stanford, CA 94305 USA

来源：

NANO ENERGY | 2014年 / 6卷

关键词：

Amorphous silicon solar cells; Light trapping; Nano particles; Plasmonic losses; BACK CONTACT;

D O I：

10.1016/j.nanoen.2014.03.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The short circuit current and conversion efficiency of silicon thin film solar cells can be increased by efficient light trapping. The short circuit current is maximized if the metal back contact of the solar cells efficiently scatters and diffracts the reflected light, while optical (plasmonic) losses in the back contact are minimized. The investigations show that the optical losses in the back contact are highest if nano features are present at the dielectric/metal interface. However, large back contact features with dimensions comparable to the optical wavelength efficiently scatter and diffract the reflected light. In this study the morphology of the back contact was controlled by inserting zinc oxide nano particles. The influence of the nano particles on the quantum efficiency, short circuit current and conversion efficiency is studied. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：167 / 172

页数：6

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