Pyrolytic Production of Fluorescent Pyrone Derivatives Produced in the Confined Space of Super-Microporous Silicas

Fluorescent pyrone derivatives were extracted from the pyrolitic product of citric acid confined in supermicroporous silicas (SMPSs). We utilized the tiny spaces of SMPSs to produce fluorescent molecules as small fragments of carbogenic dots. We characterized their optical properties and investigate...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Japan 2019, Vol.92 (7), p.1170-1174
Main Authors: Hayashi, Kosei, Ogawa, Shumpei, Watanabe, Hiroto, Fujimaki, Yasuto, Oaki, Yuya, Imai, Hiroaki
Format: Article
Language:English
Subjects:
Citric acid
Confined spaces
Derivatives
Fluorescence
Optical properties
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Summary:Fluorescent pyrone derivatives were extracted from the pyrolitic product of citric acid confined in supermicroporous silicas (SMPSs). We utilized the tiny spaces of SMPSs to produce fluorescent molecules as small fragments of carbogenic dots. We characterized their optical properties and investigated their structual information. The obtained molecule was determined as a pyrone derivative. The isolated product showed similar optical properties to those of reported carbogenic dots. Therefore, we suggest that the pyrone structure is the key fragment structure of carbogenic dots.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.20190060