Amorphous Carbon Deposited by a Novel Aerosol-Assisted Chemical Vapor Deposition for Photovoltaic Solar Cells

被引:12
|
作者
Ahmad, Nurfadzilah [1 ]
Kamaruzzaman, Dayana [1 ]
Rusop, Mohamad [1 ,2 ]
机构
[1] Univ Teknol MARA, Fac Elect Engn, NANO ElecT Ctr, Shah Alam 40450, Selangor, Malaysia
[2] Univ Teknol MARA, Fac Elect Engn, NANO SciTech Ctr, Shah Alam 40450, Selangor, Malaysia
基金
日本学术振兴会;
关键词
OPTOELECTRICAL PROPERTIES; STRUCTURAL-PROPERTIES; OPTICAL-PROPERTIES; FILMS; BORON; SILICON; TRANSMITTANCE; CVD; EFFICIENCY; JUNCTION;
D O I
10.1143/JJAP.51.06FD05
中图分类号
O59 [应用物理学];
学科分类号
摘要
Amorphous carbon (a-C) solar cells were successfully prepared using a novel and self-designed aerosol-assisted chemical vapor deposition (AACVD) method using camphor oil as a precursor. The fabricated solar cell with the configuration of Au/p-C/n-Si/Au achieved an efficiency of 0.008% with a fill factor of 0.15 for the device deposited at 0.5 h. The current-voltage (I-V) graph emphasized on the linear graph (ohmic) for the a-C thin films, whereas for the p-n device structure, a rectifying curve was obtained. The rectifying curves signify the heterojunction between the p-type a-C film and the n-Si substrate and designate the generation of electron-hole pair of the samples under illumination. Photoresponse characteristics of the deposited a-C was highlighted when being illuminated (AM 1.5 illumination: 100 mW/cm(2), 25 degrees C). Transmittance spectrum exhibit a large transmittance value (> 85%) and absorption coefficient value of 10(3)-10(4) cm(-1) at the visible range of 390 to 790 nm. The atomization of a liquid precursor solution into fine sub-micrometre-sized aerosol droplets in AACVD induced the smooth surface of a-C films. To the best of our knowledge, fabrication of a-C solar cell using this AACVD method has not yet been reported. (C) 2012 The Japan Society of Applied Physics
引用
收藏
页数:7
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