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Luminiscent Properties of Benzoxazolinones

 

作者: RaulG. E. Morales,   Oscar Maltes,   Fresia Parrini,   Gabriel Traverso,   Victor Vargas,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1986）
卷期: Volume 19, issue 1  

页码: 41-53

 

ISSN:0038-7010

 

年代: 1986

 

DOI:10.1080/00387018608069218

 

出版商: Taylor & Francis Group

 

关键词: Fluorescence;phosphorescence;quantum yields;lifetimes;excited states

 

数据来源: Taylor

 

摘要:

The UV absorption and fluorescence spectral bands of 2-benzoxazolinone and 6-methoxy-2-benzoxazolinone have been recorded in solution at room temperature. The phosphorescence spectral bands, their Quantum yields and mean life times, have been measured in solution of ethanol at 77 K. Whilst internal conversion does not compete with fluorescence in these compounds, an efficient intersystem crossing in the triplet state occurs in a nonradiative pathway to ground state with a low phosphorescence quantum yield.

 

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