Chemical welding of binary nanoparticles: room temperature sintering of CuSe and In2S3 nanoparticles for solution-processed CuInSxSe1−x solar cells

Hui Min Lim; Sudip K. Batabyal; Stevin S. Pramana; L. H. Wong; Shlomo Magdassi; S. G. Mhaisalkar

doi:10.1039/C3CC00022B

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Chemical welding of binary nanoparticles: room temperature sintering of CuSe and In₂S₃nanoparticles for solution-processed CuInS_xSe_1−x solar cells†

Hui Min Lim,‡^ab Sudip K. Batabyal,‡^a Stevin S. Pramana,^b L. H. Wong,^ab Shlomo Magdassi*^c and S. G. Mhaisalkar*^ab

Author affiliations

* Corresponding authors

^a Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, Research Techno Plaza, Singapore
E-mail: subodh@ntu.edu.sg
Fax: +65-6790-9081
Tel: +65-6790-4626

^b School of Materials Science & Engineering, Nanyang Technological University, Singapore

^c Institute of Chemistry and Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem, Israel
E-mail: magdassi@mail.huji.ac.il
Fax: +972-2-6584350
Tel: +972-2-6584967

Abstract

Chemical welding of oppositely charged dissimilar metal chalcogenide nanomaterials is reported to produce a quaternary metal chalcogenide. CuSe and In₂S₃ nanoparticles were synthesized with opposite surface charges by stabilizing with polyacrylic acid and polydiallyldimethylammonium chloride. Upon mixing these nanoparticles at room temperature, the electrostatic attraction induced coalescence of these nanoparticles and led to the formation of CuInS_xSe_1−x nanoparticles.

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Article information

DOI: https://doi.org/10.1039/C3CC00022B
Article type: Communication
Submitted: 02 Jan 2013
Accepted: 18 Mar 2013
First published: 19 Mar 2013

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Chem. Commun., 2013,49, 5351-5353

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Chemical welding of binary nanoparticles: room temperature sintering of CuSe and In₂S₃ nanoparticles for solution-processed CuInS_xSe_1−x solar cells

H. Min Lim, S. K. Batabyal, S. S. Pramana, L. H. Wong, S. Magdassi and S. G. Mhaisalkar, Chem. Commun., 2013, 49, 5351 DOI: 10.1039/C3CC00022B

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Chemical Communications