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Article: Controlled mechanical cleavage of bulk niobium diselenide to nanoscaled sheet, rod, and particle structures for Pt-free dye-sensitized solar cells
Title | Controlled mechanical cleavage of bulk niobium diselenide to nanoscaled sheet, rod, and particle structures for Pt-free dye-sensitized solar cells |
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Authors | |
Issue Date | 2014 |
Citation | Journal of Materials Chemistry A, 2014, v. 2, n. 29, p. 11382-11390 How to Cite? |
Abstract | In this study, we report a one-step process for the preparation of NbSe nanosheets, nanorods and nanoparticles from pristine materials under the effects of shear and friction forces. Nevertheless, simple and facile methods for the large-scale syntheses of well-defined NbSe nanostructures in high yield have yet to be realized and that will have a great impact in a wide range of applications. For example, developing platinum (Pt)-free and highly efficient counter electrodes is meaningful and necessary for the cost reduction of dye-sensitized solar cells (DSSCs). By integrating this approach with a simple method of thin film preparation (spray coating) allowed us to prepare large-area, conductive, semitransparent flexible thin films of NbSe . We have used microscopic and macroscopic methods to examine the morphologies, compositions, crystallinity, and electrical and optical properties of the converted NbSe nanostructures. DSSCs with NbSe nanosheet counter electrodes (CEs) achieved a conversion efficiency of 7.73%, superior to an efficiency of 7.01% for Pt-based CEs. Our NbSe nanostructure provides a cost-effective CE alternative to the noble metal Pt in DSSCs. © 2014 the Partner Organisations. 2 2 2 2 2 2 |
Persistent Identifier | http://hdl.handle.net/10722/298083 |
ISSN | 2023 Impact Factor: 10.7 2023 SCImago Journal Rankings: 2.804 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ibrahem, Mohammed Aziz | - |
dc.contributor.author | Huang, Wei Chih | - |
dc.contributor.author | Lan, Tian Wey | - |
dc.contributor.author | Boopathi, Karunakara Moorthy | - |
dc.contributor.author | Hsiao, Yu Chen | - |
dc.contributor.author | Chen, Chih Han | - |
dc.contributor.author | Budiawan, Widhya | - |
dc.contributor.author | Chen, Yang Yuan | - |
dc.contributor.author | Chang, Chia Seng | - |
dc.contributor.author | Li, Lain Jong | - |
dc.contributor.author | Tsai, Chih Hung | - |
dc.contributor.author | Chu, Chih Wei | - |
dc.date.accessioned | 2021-04-08T03:07:38Z | - |
dc.date.available | 2021-04-08T03:07:38Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Journal of Materials Chemistry A, 2014, v. 2, n. 29, p. 11382-11390 | - |
dc.identifier.issn | 2050-7488 | - |
dc.identifier.uri | http://hdl.handle.net/10722/298083 | - |
dc.description.abstract | In this study, we report a one-step process for the preparation of NbSe nanosheets, nanorods and nanoparticles from pristine materials under the effects of shear and friction forces. Nevertheless, simple and facile methods for the large-scale syntheses of well-defined NbSe nanostructures in high yield have yet to be realized and that will have a great impact in a wide range of applications. For example, developing platinum (Pt)-free and highly efficient counter electrodes is meaningful and necessary for the cost reduction of dye-sensitized solar cells (DSSCs). By integrating this approach with a simple method of thin film preparation (spray coating) allowed us to prepare large-area, conductive, semitransparent flexible thin films of NbSe . We have used microscopic and macroscopic methods to examine the morphologies, compositions, crystallinity, and electrical and optical properties of the converted NbSe nanostructures. DSSCs with NbSe nanosheet counter electrodes (CEs) achieved a conversion efficiency of 7.73%, superior to an efficiency of 7.01% for Pt-based CEs. Our NbSe nanostructure provides a cost-effective CE alternative to the noble metal Pt in DSSCs. © 2014 the Partner Organisations. 2 2 2 2 2 2 | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Materials Chemistry A | - |
dc.title | Controlled mechanical cleavage of bulk niobium diselenide to nanoscaled sheet, rod, and particle structures for Pt-free dye-sensitized solar cells | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1039/c4ta01881h | - |
dc.identifier.scopus | eid_2-s2.0-84903730170 | - |
dc.identifier.volume | 2 | - |
dc.identifier.issue | 29 | - |
dc.identifier.spage | 11382 | - |
dc.identifier.epage | 11390 | - |
dc.identifier.eissn | 2050-7496 | - |
dc.identifier.isi | WOS:000339004100046 | - |
dc.identifier.issnl | 2050-7496 | - |