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자성광촉매용 TiO2-Fe2O3 나노복합분말의 합성
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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | 이창우 | - |
| dc.contributor.author | 김순길 | - |
| dc.contributor.author | 윤성희 | - |
| dc.contributor.author | 이재성 | - |
| dc.contributor.author | 좌용호 | - |
| dc.date.accessioned | 2021-06-24T00:03:55Z | - |
| dc.date.available | 2021-06-24T00:03:55Z | - |
| dc.date.issued | 2005-08 | - |
| dc.identifier.issn | 1225-0562 | - |
| dc.identifier.issn | 2287-7258 | - |
| dc.identifier.uri | https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/46279 | - |
| dc.description.abstract | TiO2-Fe2O3 nanocomposite powders for magnetic photocatalyst were synthesized by sol-gel process, in which TiO2 photocatalytic layer was formed on the surface of γ-Fe2O3 magnetic core. Transmission electron microscopy (TEM) observation and X-ray diffractometry (XRD) analysis revealed that γ-Fe2O3 nanoparticles, 10~20 nm in diameter, were coated by TiO2 shell of 5 nm in thickness and TiO2 was anatase phase. Also hydroxyl group (-OH) used to decompose organic compounds was detected by Fourier transformation infrared spectrometry (FT-IR) analysis. UV-Visible spectrophotometry results showed that light absorption occurred in the wavelength range of 400~700 nm, and the band gap energy (Eg) of powder was 1.8 eV. Finally it was found that the coercivity (Hci) and saturation magnetization (Ms) of the powder were 79 Oe and 14.8 emu/g, respectively as experimental vibrating sample magnetometer (VSM) measurements. | - |
| dc.format.extent | 6 | - |
| dc.language | 한국어 | - |
| dc.language.iso | KOR | - |
| dc.publisher | 한국재료학회 | - |
| dc.title | 자성광촉매용 TiO2-Fe2O3 나노복합분말의 합성 | - |
| dc.title.alternative | Synthesis of TiO2-Fe2O3 Nanocomposite Powders for Magnetic Photocatalyst | - |
| dc.type | Article | - |
| dc.publisher.location | 대한민국 | - |
| dc.identifier.bibliographicCitation | 한국재료학회지, v.15, no.8, pp 508 - 513 | - |
| dc.citation.title | 한국재료학회지 | - |
| dc.citation.volume | 15 | - |
| dc.citation.number | 8 | - |
| dc.citation.startPage | 508 | - |
| dc.citation.endPage | 513 | - |
| dc.identifier.kciid | ART000967800 | - |
| dc.description.isOpenAccess | N | - |
| dc.description.journalRegisteredClass | kci | - |
| dc.subject.keywordAuthor | Magnetic photocatalyst | - |
| dc.subject.keywordAuthor | TiO2-Fe2O3 nanopowders | - |
| dc.subject.keywordAuthor | Sol-gel process | - |
| dc.subject.keywordAuthor | Band gap energy | - |
| dc.subject.keywordAuthor | Magnetic photocatalyst | - |
| dc.subject.keywordAuthor | TiO2-Fe2O3 nanopowders | - |
| dc.subject.keywordAuthor | Sol-gel process | - |
| dc.subject.keywordAuthor | Band gap energy | - |
| dc.identifier.url | http://db.koreascholar.com/Article?code=296492 | - |
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)