Colloidal synthesis of wurtzite Cu2CoSnS4 nanocrystals and the photoresponse of spray-deposited thin films
Monodisperse nanocrystals of a new wurtzite phase of Cu2CoSnS4 (CCTS) have been synthesized using a simple solution-based method. The wurtzite CCTS nanocrystals grow in the shape of nanorods with an average length of 32 ± 2.0 and width of 16 ± 1.5 nm. The more stable stannite phase of CCTS has also...
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Veröffentlicht in: | Nanotechnology 2013-03, Vol.24 (10), p.105706-105706 |
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creator | Zhang, Xiaoyan Bao, Ningzhong Lin, Baoping Gupta, Arunava |
description | Monodisperse nanocrystals of a new wurtzite phase of Cu2CoSnS4 (CCTS) have been synthesized using a simple solution-based method. The wurtzite CCTS nanocrystals grow in the shape of nanorods with an average length of 32 ± 2.0 and width of 16 ± 1.5 nm. The more stable stannite phase of CCTS has also been synthesized by increasing the reaction temperature or by a post-high-temperature annealing process. The band gap of wurtzite CCTS nanocrystals is determined to be 1.58 eV. Thin films prepared from the nanocrystal suspension display photoresponse behaviour with white light from a solar simulator, suggesting the potential use of CCTS as an active layer in low-cost thin-film solar cells. |
doi_str_mv | 10.1088/0957-4484/24/10/105706 |
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The wurtzite CCTS nanocrystals grow in the shape of nanorods with an average length of 32 ± 2.0 and width of 16 ± 1.5 nm. The more stable stannite phase of CCTS has also been synthesized by increasing the reaction temperature or by a post-high-temperature annealing process. The band gap of wurtzite CCTS nanocrystals is determined to be 1.58 eV. 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subjects | Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Nanoscale materials and structures: fabrication and characterization Other topics in nanoscale materials and structures Physics Quantum wires |
title | Colloidal synthesis of wurtzite Cu2CoSnS4 nanocrystals and the photoresponse of spray-deposited thin films |
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