Low-temperature in situ fabrication of porous S-doped g-C3N4 nanosheets using gaseous-bubble template for enhanced visible-light photocatalysis
DC Field | Value | Language |
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dc.contributor.author | Kadam, Abhijit N. | - |
dc.contributor.author | Kim, Hansang | - |
dc.contributor.author | Lee, Sang-Wha | - |
dc.date.available | 2020-12-08T00:40:15Z | - |
dc.date.created | 2020-08-21 | - |
dc.date.issued | 2020-12 | - |
dc.identifier.issn | 0272-8842 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/79202 | - |
dc.description.abstract | Developing one-step modification strategy for highly efficient metal-free g-C3N4 photocatalyst has always been challenging and yet demanding. In this study, we have demonstrated an in-situ low-temperature production of porous S-doped g-C3N4 nanosheets, using ammonium chloride (NH4Cl) as a gaseous-bubble template (GBT) to boost the visible-light photocatalytic degradation of organic pollutant dyes. The photocatalytic activities of GBT-induced porous S-doped g-C3N4 nanosheets (so-called p–SCN–x, x = mass ratio of NH4Cl/thiourea) were examined towards the degradation of Rhodamine B (Rh.B) under visible light. Importantly, both surface area and photocatalytic activities of the p-SCN–xsample were optimized by adjusting the mass fraction of thiourea/NH4Cl. The optimized p–SCN–2 exhibited a maximum photocatalytic degradation of 97.50%, which is 7.75-fold higher than that of GBT-free analogue (so-called bulk SCN-0). Moreover, the p–SCN–2 was tested for colorless tetracycline hydrochloride as an emerging pollutant, demonstrating 87% degradation under visible light irradiation. The enhanced performance of p-SCN–2photocatalyst was mainly attributed to an improved surface area, boosted light-harvesting range, and efficient electron-hole separation, and facilitated transfer of charge carriers by dye-sensitization mechanism. Moreover, the scavengers quenching study proved that the superoxide anion (•O2−) radicals and holes (h+) were the leading active sorts. In situ fabrication of p-SCN–x nanosheets at low temperature provided an inexpensive and green synthetic route for highly active g-C3N4–based photocatalysts that can resolve environmental pollution and clean energy issues. © 2020 Elsevier Ltd and Techna Group S.r.l. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.relation.isPartOf | Ceramics International | - |
dc.title | Low-temperature in situ fabrication of porous S-doped g-C3N4 nanosheets using gaseous-bubble template for enhanced visible-light photocatalysis | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.description.journalClass | 1 | - |
dc.identifier.wosid | 000582503700063 | - |
dc.identifier.doi | 10.1016/j.ceramint.2020.08.005 | - |
dc.identifier.bibliographicCitation | Ceramics International, v.46, no.18, pp.28481 - 28489 | - |
dc.description.isOpenAccess | N | - |
dc.identifier.scopusid | 2-s2.0-85089404239 | - |
dc.citation.endPage | 28489 | - |
dc.citation.startPage | 28481 | - |
dc.citation.title | Ceramics International | - |
dc.citation.volume | 46 | - |
dc.citation.number | 18 | - |
dc.contributor.affiliatedAuthor | Kadam, Abhijit N. | - |
dc.contributor.affiliatedAuthor | Kim, Hansang | - |
dc.contributor.affiliatedAuthor | Lee, Sang-Wha | - |
dc.type.docType | Article | - |
dc.subject.keywordAuthor | In situ fabrication | - |
dc.subject.keywordAuthor | Low temperature | - |
dc.subject.keywordAuthor | Photocatalysis | - |
dc.subject.keywordAuthor | Porous S-g-C3N4 | - |
dc.subject.keywordAuthor | Visible light | - |
dc.subject.keywordPlus | Carrier mobility | - |
dc.subject.keywordPlus | Chlorine compounds | - |
dc.subject.keywordPlus | Fabrication | - |
dc.subject.keywordPlus | Green manufacturing | - |
dc.subject.keywordPlus | Light | - |
dc.subject.keywordPlus | Low temperature production | - |
dc.subject.keywordPlus | Nanosheets | - |
dc.subject.keywordPlus | Organic pollutants | - |
dc.subject.keywordPlus | Photodegradation | - |
dc.subject.keywordPlus | Rhodamine B | - |
dc.subject.keywordPlus | Superconducting materials | - |
dc.subject.keywordPlus | Temperature | - |
dc.subject.keywordPlus | Dye sensitization mechanism | - |
dc.subject.keywordPlus | Electron-hole separation | - |
dc.subject.keywordPlus | Emerging pollutants | - |
dc.subject.keywordPlus | Environmental pollutions | - |
dc.subject.keywordPlus | Photo catalytic degradation | - |
dc.subject.keywordPlus | Tetracycline hydrochloride | - |
dc.subject.keywordPlus | Visible-light irradiation | - |
dc.subject.keywordPlus | Visible-light photocatalysis | - |
dc.subject.keywordPlus | Photocatalytic activity | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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