期刊
APPLIED PHYSICS LETTERS
卷 105, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4900612
关键词
-
资金
- Office of Science of the U.S. Department of Energy [DE-SC0004993]
- National Science Foundation [DGE-1144469]
We develop an analytic current-voltage expression for a variable junction photoelectrochemical (PEC) cell and use it to investigate and illustrate the influence of the optical and electrical properties of catalysts on the optoelectronic performance of PEC devices. Specifically, the model enables a simple, yet accurate accounting of nanostructured catalyst optical and electrical properties through incorporation of an optical transmission factor and active catalytic area factor. We demonstrate the utility of this model via the output power characteristics of an exemplary dual tandem solar cell with indium gallium phosphide and indium gallium arsenide absorbers with varying rhodium catalyst nanoparticle loading. The approach highlights the importance of considering interactions between independently optimized components for optimal PEC device design. (C) 2014 AIP Publishing LLC.
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