Preparation and characterization of micron-scale molybdenum metal mesh electrodes
Preparation and characterization of micron-scale molybdenum metal mesh electrodes
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DOI：
10.1016/j.surfcoat.2018.03.085
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发表时间：
2018-09
影响因子：
5.4
通讯作者：
N. Bönninghoff;J. Chu;Chia-wen Chang;Markos Mehretie;Bo-Zhang Lai
中科院分区：
文献类型：
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作者：
N. Bönninghoff;J. Chu;Chia-wen Chang;Markos Mehretie;Bo-Zhang Lai
叠层太阳能电池装置中的顶电池的有希望的候选者是超态、高带隙、CIGS（铜铟镓二硒）太阳能电池。为了实现串联电池，顶部电池的前触点和后触点都必须是透明的。在这项工作中，钼金属网电极与四个图案的衍生物，这是针对这一实施在串联电池设置设计。电极由以工业典型的H-网格图案和六边形图案布置的两微米宽的指状物组成，这些图案中的每一个由具有和不具有锥形母线的衍生物组成。研究了电极的微观结构、晶体取向、表面粗糙度、电学性能和光学性能。还介绍了这种工作电极与各种竞争电极类型的制造工艺以及比较。所有电极衍生物在可见光谱内和可见光谱外均表现出高达97%的优异透射率，同时保持约30 Ω/□的可接受薄层电阻。
A promising candidate for a top cell in a tandem solar cell setup is a superstate, high bandgap, CIGS (Copper Indium Gallium Diselenide) solar cell. To realize a tandem cell, both, front and back contact of the top cell must be transparent. In this work a molybdenum metal mesh electrode with four pattern derivatives is presented, which are designed towards this implementation in a tandem cell setup. The electrode consists of two-micron wide fingers arranged in an industry typical H-grid pattern and in a hexagonal shaped pattern, with each of these patterns being comprised of a derivative with and without tapered busbars. The electrode's micro structure, crystal orientation, surface roughness, electrical properties and optical properties are investigated. The manufacturing process as well as a comparison of this works electrodes with various competing electrode types is also presented. All electrode derivatives show excellent transmittance of up to 97% within and beyond the visible spectrum while retaining acceptable sheet resistances of about 30 Ω/□.