Comparison of ITO/metal/ITO and ZnO/metal/ZnO characteristics as transparent electrodes for third generation solar cells

被引:158
作者
Girtan, Mihaela [1 ]
机构
[1] Univ Angers, Photon Lab, F-49045 Angers, France
关键词
Solar cells; Transparent conducting electrodes; PULSED-LASER DEPOSITION; SPRAY CVD PROCESS; ZNO THIN-FILMS; ELECTRICAL-PROPERTIES; PHYSICAL-PROPERTIES; OPTICAL-PROPERTIES; THERMAL-OXIDATION; ENERGY MATERIALS; CONDUCTORS; AL;
D O I
10.1016/j.solmat.2012.01.007
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
In this paper we present the physical properties of two types of multilayer structures: ITO/metal/ITO and ZnO/metal/ZnO obtained by successive sputtering depositions of metallic targets (In:Sn, Zn, Ag, Au) in reactive atmosphere (for oxide films) and under inert atmosphere (for metallic interlayer films). Very good quality transparent conducting thin films structures (rho=2 x 10(-5) Omega cm, T similar to 90%) were obtained. The morphological, optical and electrical properties were analyzed and compared for the multilayer films deposited in identical conditions on glass and PET substrates. The influence of substrate nature on the morphological properties is more pronounced in the case of zinc oxide films. The Haake figures of merit at lambda=550 nm are comprised between 4 x 10(-3) Omega(-1) and 29 x 10(-3) Omega(-1) in function of the nature of the metallic interlayer. The stability of electrical properties with the temperature of the oxide/metal/oxide films is remarkable in comparison with the usual behavior of single oxide films. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:153 / 161
页数:9
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