NDLI: A facile route for synthesis of CuIn$_{x}$Ga$_{1−x}$Se$_{2}$ nanocrystals with tunable composition for photovoltaic application

Content Provider	Springer Nature Link
Author	Cui, Xin Yun, Daqin Zhong, Chuwei Chen, Wenzhi Cheng, Qijin Feng, Jia Zhang, Fengyan
Copyright Year	2015
Abstract	A facile colloidal synthesis of CuIn$_{x}$Ga$_{1−x}$Se$_{2}$ (CIGS) nanocrystals was successfully performed using a simple heating method. These nanocrystals were prepared by employing glycerol as a main solvent and oleylamine (OLA) as a complexing agent. X-ray diffraction showed that CuInSe$_{2}$ with a chalcopyrite structure was formed by using a volume content of OLA as small as ~30 %. No variation was found in the compound phase between samples synthesized in a mixed solvent with 30 % OLA and in 100 % OLA-added solvent. Transmission election microscopy confirmed the crystal structure and showed a particle sizes below 20 nm. Energy-dispersive X-ray analysis (EDS) confirmed the chemical composition of these samples. And UV–Vis spectroscopy investigated the band gap of CIGS nanoinks. Furthermore, we used this method to prepare CIGS nanocrystals with different band gap energies by varying the In/Ga ratio of the reactants. Therefore, this green and economic route proposed has the potential for large-scale synthesis of CIGS nanocrystals, which is beneficial to low-cost photovoltaic application.XRD patterns and TEM images of CuInSe$_{2}$ nanocrystals, obtained for samples synthesized with pure OLA and with mixed solvent.
Starting Page	469
Ending Page	475
Page Count	7
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	76
Issue Number	3
e-ISSN	15734846
Language	English
Publisher	Springer US
Publisher Date	2015-07-14
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CIGS Nanocrystals Colloidal synthesis Glycerol Photovoltaic Ceramics, Glass, Composites, Natural Methods Inorganic Chemistry Optical and Electronic Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Chemistry Materials Chemistry Biomaterials Condensed Matter Physics Electronic, Optical and Magnetic Materials

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