DC Field | Value | Language |
---|---|---|
dc.contributor.author | Hyoung-il Kim | - |
dc.contributor.author | Seunghyun Weon | - |
dc.contributor.author | Homan Kang | - |
dc.contributor.author | Anna L. Hagstrom | - |
dc.contributor.author | Oh Seok Kwon | - |
dc.contributor.author | Yoon-Sik Lee | - |
dc.contributor.author | Choi, W | - |
dc.contributor.author | Jae-Hong Kim | - |
dc.date.accessioned | 2017-07-19T14:09:24Z | - |
dc.date.available | 2017-07-19T14:09:24Z | - |
dc.date.created | 2017-04-14 | - |
dc.date.issued | 2016-10-18 | - |
dc.identifier.issn | 0013-936X | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/38138 | - |
dc.description.abstract | This study demonstrates the first reported photocatalytic decomposition of an indoor air pollutant, acetaldehyde, using low-energy, sub-bandgap photons harnessed through sensitized triplet triplet annihilation (TTA) upconversion (UC). To utilize low-intensity noncoherent indoor light and maximize photocatalytic activity, we designed a plasmon-enhanced sub-bandgap photocatalyst device consisting of two main components: (1) TTA-UC rubbery polymer films containing broad-band plasmonic particles (Ag-SiO2) to upconvert sub-bandgap photons, and (2) nanodiamond (ND)-loaded WO3 as a visible-light photocatalyst composite. Effective decomposition of acetaldehyde was achieved using ND/WO3 (E-g = 2.8 eV) coupled with TTA-UC polymer films that emit blue photons (lambda(Ex) = 425 nm, 2.92 eV) upconverted from green photons (lambda(Ex) = 532 nm, 2.33 eV), which are wasted in most environmental photocatalysis. The overall photocatalytic efficiency was amplified by the broad-band surface plasmon resonance of AgNP-SiO2 particles incorporated into the TTA-UC films. | - |
dc.language | English | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.relation.isPartOf | Environmental Science & Technology | - |
dc.title | Plasmon-Enhanced Sub-Bandgap Photocatalysis via Triplet–Triplet Annihilation Upconversion for Volatile Organic Compound Degradation | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/ACS.EST.6B02729 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | Environmental Science & Technology, v.50, no.20, pp.11184 - 11192 | - |
dc.identifier.wosid | 000385907200047 | - |
dc.date.tcdate | 2019-02-01 | - |
dc.citation.endPage | 11192 | - |
dc.citation.number | 20 | - |
dc.citation.startPage | 11184 | - |
dc.citation.title | Environmental Science & Technology | - |
dc.citation.volume | 50 | - |
dc.contributor.affiliatedAuthor | Choi, W | - |
dc.identifier.scopusid | 2-s2.0-84991818110 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 18 | - |
dc.description.scptc | 12 | * |
dc.date.scptcdate | 2018-05-121 | * |
dc.description.isOpenAccess | N | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | SENSITIZED SOLAR-CELLS | - |
dc.subject.keywordPlus | LOW-POWER | - |
dc.subject.keywordPlus | SEMICONDUCTOR PHOTOCATALYSIS | - |
dc.subject.keywordPlus | VISIBLE-LIGHT | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | TIO2 | - |
dc.subject.keywordPlus | ENERGY | - |
dc.subject.keywordPlus | WATER | - |
dc.subject.keywordPlus | NANOCAPSULES | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Environmental Sciences | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Environmental Sciences & Ecology | - |
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