Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting
CuInSe2/SnO2 core–shell and hierarchical branched nanostructures were produced by directed electrochemical assembly. By changing the spatial electric field along the deposition region, we can control the morphology and stoichiometry of deposited product from In-poor-CuInSe2 nanoparticles to near sto...
| প্রধান লেখক: | , , , , , , |
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| অন্যান্য লেখক: | |
| বিন্যাস: | Journal Article |
| ভাষা: | English |
| প্রকাশিত: |
2013
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| অনলাইন ব্যবহার করুন: | https://hdl.handle.net/10356/106604 http://hdl.handle.net/10220/10852 |
| _version_ | 1826118500425400320 |
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| author | Sun, Juan Sun, Cheng Batabyal, Sudip Kumar Tran, Phong D. Pramana, Stevin S. Wong, Lydia Helena Mhaisalkar, Subodh Gautam |
| author2 | School of Materials Science & Engineering |
| author_facet | School of Materials Science & Engineering Sun, Juan Sun, Cheng Batabyal, Sudip Kumar Tran, Phong D. Pramana, Stevin S. Wong, Lydia Helena Mhaisalkar, Subodh Gautam |
| author_sort | Sun, Juan |
| collection | NTU |
| description | CuInSe2/SnO2 core–shell and hierarchical branched nanostructures were produced by directed electrochemical assembly. By changing the spatial electric field along the deposition region, we can control the morphology and stoichiometry of deposited product from In-poor-CuInSe2 nanoparticles to near stoichiometry CuInSe2 branched nanowires. A combination of FESEM, TEM, XRD and Raman spectroscopy investigations reveals that both morphology and chemical compositions of CuInSe2 strongly depend on the spatial electric field distribution on the SnO2/Si substrate. We observed that higher reducing potential can assist the formation of CuInSe2 with uniform coverage at the cathode side, but only In-poor-CuInSe2 nanoparticles are formed on the anode side. Optical and photo-electrochemical examination confirmed the potential application of these core–shell nanostructures for solar energy harvesting. |
| first_indexed | 2024-10-01T04:44:47Z |
| format | Journal Article |
| id | ntu-10356/106604 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:44:47Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/1066042021-01-10T11:21:38Z Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting Sun, Juan Sun, Cheng Batabyal, Sudip Kumar Tran, Phong D. Pramana, Stevin S. Wong, Lydia Helena Mhaisalkar, Subodh Gautam School of Materials Science & Engineering Energy Research Institute @ NTU (ERI@N) CuInSe2/SnO2 core–shell and hierarchical branched nanostructures were produced by directed electrochemical assembly. By changing the spatial electric field along the deposition region, we can control the morphology and stoichiometry of deposited product from In-poor-CuInSe2 nanoparticles to near stoichiometry CuInSe2 branched nanowires. A combination of FESEM, TEM, XRD and Raman spectroscopy investigations reveals that both morphology and chemical compositions of CuInSe2 strongly depend on the spatial electric field distribution on the SnO2/Si substrate. We observed that higher reducing potential can assist the formation of CuInSe2 with uniform coverage at the cathode side, but only In-poor-CuInSe2 nanoparticles are formed on the anode side. Optical and photo-electrochemical examination confirmed the potential application of these core–shell nanostructures for solar energy harvesting. 2013-07-01T06:05:16Z 2019-12-06T22:14:50Z 2013-07-01T06:05:16Z 2019-12-06T22:14:50Z 2011 2011 Journal Article Sun, J., Sun, C., Batabyal, S. K., Tran, P. D., Pramana, S. S., Wong, L. H., et al. (2012). Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting. Electrochemistry Communications, 15(1), 18-21. 1388-2481 https://hdl.handle.net/10356/106604 http://hdl.handle.net/10220/10852 10.1016/j.elecom.2011.11.015 en Electrochemistry communications © 2011 Elsevier B.V. |
| spellingShingle | Sun, Juan Sun, Cheng Batabyal, Sudip Kumar Tran, Phong D. Pramana, Stevin S. Wong, Lydia Helena Mhaisalkar, Subodh Gautam Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| title | Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| title_full | Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| title_fullStr | Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| title_full_unstemmed | Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| title_short | Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| title_sort | morphology and stoichiometry control of hierarchical cuinse2 sno2 nanostructures by directed electrochemical assembly for solar energy harvesting |
| url | https://hdl.handle.net/10356/106604 http://hdl.handle.net/10220/10852 |
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