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 년도별 목차보기 |
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| 발행년도/권호 |
2014 년 / 권호: V.26,no.4,Dec |
| 논문제목1(원어) |
Efficient Fluorescence Quenching of tert-butyl substituted Phthalocyanines with Picric Acid |
| 논문제목2(타언어) |
Efficient Fluorescence Quenching of tert-butyl substituted Phthalocyanines with Picric Acid |
| 저자(원어) |
Ankush Gupta, Meena Kim and Jong S. Park |
| 저자(타언어) |
Ankush Gupta, Meena Kim and Jong S. Park |
| 소속(원어) |
Dong-A University |
| 소속(타언어) |
Dong-A University |
| 시작/끝
페이지 |
277 ~ 282 총페이지 : 6 |
| 언어(원어) |
English |
| 초록 |
Abstract: Two tert-butyl substituted phthalocyanines(Pcs), in metal-free and metallated forms, were synthesized and the fluorescence responses toward various nitro derivatives, including picric acid(PA), 2,4-dinitrotoluene(DNT), 1,4-dinitrobenzene(DNB), 4-nitrotoluene(NT), nitrobenzene(NB), 1,4-benzoquinone(BQ), and nitromethane(NM) were investigated. Among the various nitro derivatives, current Pc derivatives exhibited efficient and exclusive fluorescence quenching in the presence of picric acid, which was readily observed by a naked eye. Quenching efficiency was estimated by the Stern-Volmer relationship, in which quenching constant, KSV, was calculated to be in the range of 104M-1. It was also found out that the aggregational behaviors of these Pcs are heavily dependent on the nature of solvent systems, subsequently affecting the quenching efficiency. |
| 키워드 |
Keywords: phthalocyanine, aggregates, chemosensor, nitroaromatic compound, picric acid |
| 학회지 |
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| Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2014_v26n4_277 |
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