MICROWA VE SYNTHESIS OF CuInS 2 NANOPARTICLES [610267]
MICROWA VE SYNTHESIS OF CuInS 2 NANOPARTICLES
Petrica -Andrei LINUL1,2, Radu BANICA1, Cristina MOSOARCA1, Daniel URSU1, Andrei
RACU1, Mihai -Cosmin PASCARIU1,2
1National Institute of Research and Development for Electrochemistry and Condensed Matter, 144
Prof.dr. Aurel Păunescu -Podeanu, RO-300569 Timisoara, Roumania
2University Politehnica Timisoara, Faculty of Industrial Chemistry and Environmental Engineering,
6 Vasile Pârvan Blvd., RO-300223 Timisoara, Roumania
[anonimizat] , mihai.cosmin.pascariu@ gmail.com
Solar cells based on heterogeneous nanostructures constitute today an important research field in
solar energy conversion. Nanocrystalline powders of ternary chalcopyrite semiconductors [1,2] , for
example, show many applications as absorbers for thin film solar cells. The method of synthesis for
such nanocrystals is very important for adjusting their size under controlled stoichiometry and
various morphologies.
In this study we present our results
regarding the hydrothermal synthesis of
nanocrys talline CuInS 2, using an inert
atmosphere, microwave irradiation, and
the following surfactants:
cetyltrimethylammonium bromide
(CTAB), dodecylamine and
dodecanethiol. The Cu/In atomic ratio was
influenced by the absence or presence of
surfactants and thei r type.
The target compound was analysed by
Raman spectroscopy, EDS, UV -VIS
spectroscopy, X -ray diffraction and
transmission electron microscopy. The
dimensions of the crystallites were
assessed from the XRD measurements and
compared with those estimated from
electron microscopy images.
Acknowledgement : This work was
supported by a grant of the Romanian Ministry of Research an d Innovation, CCCDI – UEFISCDI,
project number PN -III-P1-1.2-PCCDI -2017 -0619 / 2018 – “Nanostructured carbon materials for
advanced industrial applications”, within PNCDI III.
1. Liu L., Li H., Liu Z., Xie Y.-H., Mater. Des. 149 (2018) 145 -152.
2. Chumha N., Thongtem T., Thongtem S., Kittiwachana S., Kaowphong S., Appl. Surf. Sci. 447 (2018) 292 -299.
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