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Kwon, Tae-Hyuk
Energy Recognition
Research Interests
  • Energy transfer, organic solar cells, supercapacitor, ultrasonic spray chemistry, dithienothiophene, iridium complexes, phosphorescent bioapplications

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Electrochemically Synthesized Mesoscopic Nickel Oxide Films as Photocathodes for Dye-Sensitized Solar Cells

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dc.contributor.author Kang, JIn Soo ko
dc.contributor.author Kim, Jin ko
dc.contributor.author Kim, Jeong Soo ko
dc.contributor.author Nam, Kyungiu ko
dc.contributor.author Jo Hyungyung ko
dc.contributor.author Son, Yoon Jun ko
dc.contributor.author Kang, Jiho ko
dc.contributor.author Jeong, Juwon ko
dc.contributor.author Choe, Heeman ko
dc.contributor.author Kwon, Tae-Hyuk ko
dc.contributor.author Sung, Yung-Eun ko
dc.date.available 2018-09-14T00:51:11Z -
dc.date.created 2018-09-10 ko
dc.date.issued 2018-07 ko
dc.identifier.citation ACS APPLIED ENERGY MATERIALS, v.1, no.8, pp.4178 - 4185 ko
dc.identifier.issn 2574-0962 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/24755 -
dc.description.abstract Dye-sensitized solar cells (DSCs) have been considered as promising and reliable solar energy conversion devices that are suitable for various applications. In general, mesoscopic TiO2 films are often used as photoanodes in DSCs; however, significant effort has been put into the development of NiO photocathodes with the long-term goal of tandem DSCs for high-voltage output. In this study, we report the preparation of mesoscopic NiO films via electrochemical anodization of Ni foil and their application as photocathodes in p-type DSCs. The anodic NiO had a mesoporous structure composed of ∼10 nm nanoparticles, and to the best of our knowledge, this was the first demonstration of mesoscopic NiO synthesis by anodic oxidation. The performance of the anodic photocathodes was comparable to that of conventional NiO electrodes comprising 20 nm-sized particles, even though the preparation of the anodic oxide film was significantly easier. Additionally, charge transfer kinetics in the NiO films were compared with those in conventional photocathodes using electrochemical impedance analyses, and the feasibility of the anodic NiO photocathodes in tandem DSCs was also demonstrated. ko
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Electrochemically Synthesized Mesoscopic Nickel Oxide Films as Photocathodes for Dye-Sensitized Solar Cells ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85064742347 ko
dc.identifier.wosid 000458706400076 ko
dc.type.rims ART ko
dc.identifier.doi 10.1021/acsaem.8b00834 ko
dc.identifier.url https://pubs.acs.org/doi/abs/10.1021/acsaem.8b00834 ko
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