https://scholars.lib.ntu.edu.tw/handle/123456789/385407
DC 欄位 | 值 | 語言 |
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dc.contributor.author | Chuang, H.-M. | en_US |
dc.contributor.author | Li, C.-T. | en_US |
dc.contributor.author | Yeh, M.-H. | en_US |
dc.contributor.author | Lee, C.-P. | en_US |
dc.contributor.author | Vittal, R. | en_US |
dc.contributor.author | Ho, K.-C. | en_US |
dc.contributor.author | KUO-CHUAN HO | en_US |
dc.creator | KUO-CHUAN HO;Ho, K.-C.;Vittal, R.;Lee, C.-P.;Yeh, M.-H.;Li, C.-T.;Chuang, H.-M. | - |
dc.date.accessioned | 2018-09-10T14:54:32Z | - |
dc.date.available | 2018-09-10T14:54:32Z | - |
dc.date.issued | 2014 | - |
dc.identifier.uri | http://www.scopus.com/inward/record.url?eid=2-s2.0-84896908475&partnerID=MN8TOARS | - |
dc.identifier.uri | http://scholars.lib.ntu.edu.tw/handle/123456789/385407 | - |
dc.description.abstract | A coral-like film of nickel@nickel sulfide (Ni@NiS) was obtained on a conducting glass through an electrochemical method, in which the Ni functioned as a template. Three types of Ni thin films were electrodeposited on fluorine-doped tin oxide (FTO) substrates by a pulse current technique at the passed charge densities of 100, 200, and 300 mC cm-2, which rendered custard apple-like, coral-like, and cracked nanostructures, respectively. Subsequently, nickel sulfide films were coated on these Ni films by using a pulse potential technique. Due to the template effect of the Ni films, the composite films of Ni@NiS also assumed the same structures as those of their nickel templates. In each case of the films the particle of the film assumed a core-shell structure. The Ni@NiS coated FTO glasses were used as the counter electrodes for dye-sensitized solar cells (DSSCs). The DSSC with the coral-like Ni@NiS film on its counter electrode exhibits the highest power conversion efficiency (η) of 7.84%, while the DSSC with platinum film on its counter electrode shows an η of 8.11%. The coral-like Ni@NiS film exhibits multiple functions, i.e., large surface area, high conductivity, and great electrocatalytic ability for iodine/triiodine (I-/I3 -) reduction. X-ray photoelectron spectroscopy (XPS), X-ray diffraction pattern (XRD), scanning electron microscopy (SEM), and four-point probe technique were used to characterize the films. The photovoltaic parameters are substantiated using incident photon-to-current conversion efficiency (IPCE) curves, cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and Tafel polarization plots. The IPCE curves were further used to calculate theoretical short-current densities of the cells. © the Partner Organisations 2014. | - |
dc.language | en | en |
dc.relation.ispartof | Journal of Materials Chemistry A | en_US |
dc.source | AH | - |
dc.subject.classification | [SDGs]SDG7 | - |
dc.subject.other | Composite films; Conversion efficiency; Cyclic voltammetry; Electrochemical impedance spectroscopy; Glass; Nanocomposites; Photoelectrochemical cells; Photoelectrons; Scanning electron microscopy; Solar cells; X ray diffraction; X ray photoelectron spectroscopy; Dye-Sensitized solar cell; Dye-sensitized solar cells; Electrocatalytic ability; ELectrochemical methods; Fluorine doped tin oxide (FTO); Four-point probe techniques; Incident photon-to-current conversion efficiencies; Power conversion efficiencies; Nickel | - |
dc.title | A coral-like film of Ni@NiS with core-shell particles for the counter electrode of an efficient dye-sensitized solar cell | - |
dc.type | journal article | en |
dc.identifier.doi | 10.1039/c4ta00011k | - |
dc.relation.pages | 5816-5824 | - |
dc.relation.journalvolume | 2 | - |
dc.relation.journalissue | 16 | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.fulltext | no fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_6501 | - |
item.openairetype | journal article | - |
crisitem.author.dept | Chemical Engineering | - |
crisitem.author.dept | Polymer Science and Engineering | - |
crisitem.author.orcid | 0000-0001-7501-1271 | - |
crisitem.author.parentorg | College of Engineering | - |
crisitem.author.parentorg | College of Engineering | - |
顯示於: | 化學工程學系 |
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