Research Article


2011, 4(9): 891–900


Graphene–CdSe Nanobelt Solar Cells with Tunable Configurations

Luhui Zhang1, Lili Fan2, Zhen Li2, Enzheng Shi1, Xinming Li2, Hongbian Li1, Chunyan Ji1, Yi Jia2, Jinquan Wei2, Kunlin Wang2, Hongwei Zhu2,3(), Dehai Wu2, and Anyuan Cao1()

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1Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China2Key Laboratory for Advanced Materials Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China3Center for Nano and Micro Mechanics, Tsinghua University, Beijing 100084, China

Keywords: KEYWORDS Graphene, CdSe nanobelts, solar cells, Schottky junction
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ABSTRACT We have combined two planar nanostructures, graphene and CdSe nanobelts, to construct Schottky junction solar cells with open-circuit voltages of about 0.5 V and cell efficiencies on the order of 0.1%. By covering transparent graphene or carbon nanotube (CNT) films on selected positions along macroscopically long CdSe nanobelts, we have demonstrated the fabrication of active solar cells with many different configurations and parallel connections from individual or multiple assembled nanobelts. The graphene–CdSe nanobelt solar cells reported here show a great flexibility in creating diverse device architectures, and might be scaled up for cell integration based on assembled nanobelt arrays and patterned graphene (or CNT) films.
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Graphene–CdSe Nanobelt Solar Cells with Tunable Configurations. Nano Res. 2011, 4(9): 891–900

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