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Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab (ATOMS)
Research Interests
  • Optoelectronic materials synthesis/organic electronics, functionalization of carbonaceous solids, advanced materials chemistry, macromolecular chemistry

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High-performance and stable photoelectrochemical water splitting cell with organic-photoactive-layer-based photoanode

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dc.contributor.author Yu, Je Min ko
dc.contributor.author Lee, Jungho ko
dc.contributor.author Kim, Yoon Seo ko
dc.contributor.author Song, Jaejung ko
dc.contributor.author Oh, Jiyeon ko
dc.contributor.author Lee, Sang Myeon ko
dc.contributor.author Jeong, Mingyu. ko
dc.contributor.author Kim, Yongseon ko
dc.contributor.author Kwak, Ja Hun ko
dc.contributor.author Cho, Seungho ko
dc.contributor.author Yang, Changduk ko
dc.contributor.author Jang, Ji-Wook ko
dc.date.available 2020-11-19T08:44:58Z -
dc.date.created 2020-11-19 ko
dc.date.issued 2020-11 ko
dc.identifier.citation NATURE COMMUNICATIONS, v.11, no.1, pp.5509 ko
dc.identifier.issn 2041-1723 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/48764 -
dc.description.abstract Considering their superior charge-transfer characteristics, easy tenability of energy levels, and low production cost, organic semiconductors are ideal for photoelectrochemical (PEC) hydrogen production. However, organic-semiconductor-based photoelectrodes have not been extensively explored for PEC water-splitting because of their low stability in water. Herein, we report high-performance and stable organic-semiconductors photoanodes consisting of p-type polymers and n-type non-fullerene materials, which is passivated using nickel foils, GaIn eutectic, and layered double hydroxides as model materials. We achieve a photocurrent density of 15.1 mA cm−2 at 1.23 V vs. reversible hydrogen electrode (RHE) with an onset potential of 0.55 V vs. RHE and a record high half-cell solar-to-hydrogen conversion efficiency of 4.33% under AM 1.5 G solar simulated light. After conducting the stability test at 1.3 V vs. RHE for 10 h, 90% of the initial photocurrent density are retained, whereas the photoactive layer without passivation lost its activity within a few minutes. © 2020, The Author(s). ko
dc.language 영어 ko
dc.publisher Nature Research ko
dc.title High-performance and stable photoelectrochemical water splitting cell with organic-photoactive-layer-based photoanode ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85094873430 ko
dc.type.rims ART ko
dc.identifier.doi 10.1038/s41467-020-19329-0 ko
dc.identifier.url https://www.nature.com/articles/s41467-020-19329-0 ko
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