期刊
APPLIED SURFACE SCIENCE
卷 263, 期 -, 页码 449-456出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2012.09.080
关键词
Microwave; Nanoparticles; Optical properties; Solar cell; AgInS2
类别
资金
- Iran University of Science and Technology
- Iranian Nanotechnology Initiative
In this work, AgInS2 (AIS) semiconductor nanoparticles were synthesized by an efficient and facile microwave heating technique using several sulfur sources and solvents in the different reaction times. The SEM images presented the particle morphology for all of the obtained products in the arranged reaction conditions. The particle size of 70 nm was obtained using thioacetamide (TAA), ethylene glycol (EG) as the sulfur source and solvent, respectively at the reaction time of 5 min. It was found that the change of the mentioned parameters lead to alter on the particle size of the resulting products. The average particle size was estimated using a microstructure measurement program and Minitab statistical software. The optical band gap energy of 1.96 eV for the synthesized AIS nanoparticles was determined by the diffuse reflectance spectroscopy (DRS). AgInS2/CdS/CuInSe2 heterojunction solar cell was constructed and photovoltaic parameters, i.e., open-circuit voltage (V-oc), short-circuit current (J(sc)) and fill factor (FF) were estimated by photocurrent-voltage (I-V) curve. The calculated fill factor of 30% and energy conversion efficiency of 1.58% revealed the capability of AIS nanoparticles to use in the solar cell devices. (C) 2012 Elsevier B. V. All rights reserved.
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