Electrochemical fabrication of ordered Bi2S3 nanowire arrays
We have successfully fabricated ordered, well-crystallized Bi2S3 nanowire arrays embedded in the nanochannels of porous anodic aluminum oxide templates by direct current electrodeposition from a dimethylsulfoxide solution containing BiCl3 and elemental sulfur. X-ray diffraction and selected area ele...
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| Veröffentlicht in: | Journal of physics. D, Applied physics Applied physics, 2001-11, Vol.34 (22), p.3224-3228 |
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| container_title | Journal of physics. D, Applied physics |
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| creator | Peng, X S Meng, G W Zhang, J Zhao, L X Wang, X F Wang, Y W Zhang, L D |
| description | We have successfully fabricated ordered, well-crystallized Bi2S3 nanowire arrays embedded in the nanochannels of porous anodic aluminum oxide templates by direct current electrodeposition from a dimethylsulfoxide solution containing BiCl3 and elemental sulfur. X-ray diffraction and selected area electron diffraction investigations demonstrate that the Bi2S3 nanowires have an orthorhombic uniform structure. Electromicroscopy results show that the nanowires are quite ordered with diameters of about 40 nm and lengths up to 5 microns. X-ray energy dispersion analysis indicates that the atomic composition of Bi and S is very close to a 2 : 3 stoichiometry. The optical properties of these nanowires were characterized by optical absorption techniques. These studies reveal that the annealed Bi2S3 nanowires have an optical band edge (direct) of about 1.56 eV. (Author) |
| doi_str_mv | 10.1088/0022-3727/34/22/304 |
| format | Article |
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X-ray diffraction and selected area electron diffraction investigations demonstrate that the Bi2S3 nanowires have an orthorhombic uniform structure. Electromicroscopy results show that the nanowires are quite ordered with diameters of about 40 nm and lengths up to 5 microns. X-ray energy dispersion analysis indicates that the atomic composition of Bi and S is very close to a 2 : 3 stoichiometry. The optical properties of these nanowires were characterized by optical absorption techniques. These studies reveal that the annealed Bi2S3 nanowires have an optical band edge (direct) of about 1.56 eV. (Author)</description><identifier>ISSN: 0022-3727</identifier><identifier>EISSN: 1361-6463</identifier><identifier>DOI: 10.1088/0022-3727/34/22/304</identifier><identifier>CODEN: JPAPBE</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Chemistry ; Colloidal state and disperse state ; Exact sciences and technology ; General and physical chemistry ; General, apparatus, technics of preparation</subject><ispartof>Journal of physics. 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D, Applied physics</title><description>We have successfully fabricated ordered, well-crystallized Bi2S3 nanowire arrays embedded in the nanochannels of porous anodic aluminum oxide templates by direct current electrodeposition from a dimethylsulfoxide solution containing BiCl3 and elemental sulfur. X-ray diffraction and selected area electron diffraction investigations demonstrate that the Bi2S3 nanowires have an orthorhombic uniform structure. Electromicroscopy results show that the nanowires are quite ordered with diameters of about 40 nm and lengths up to 5 microns. X-ray energy dispersion analysis indicates that the atomic composition of Bi and S is very close to a 2 : 3 stoichiometry. The optical properties of these nanowires were characterized by optical absorption techniques. These studies reveal that the annealed Bi2S3 nanowires have an optical band edge (direct) of about 1.56 eV. 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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Chemistry Colloidal state and disperse state Exact sciences and technology General and physical chemistry General, apparatus, technics of preparation |
| title | Electrochemical fabrication of ordered Bi2S3 nanowire arrays |
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