Electrical and optical properties of porphyrin monomer and its J-aggregate

被引：0
|
作者：
Aziz, A [1 ]
Narasimhan, KL [1 ]
Periasamy, N [1 ]
Maiti, NC [1 ]
机构：
[1] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
来源：
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1999年 / 79卷 / 07期
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated the electrical and optical properties of a water-soluble porphyrin monomer and its J-aggregate both in solution and in the solid state. Specifically, we find that water enhances the electrical conductivity, of both the monomer and the J-aggregate. The luminescence quantum efficiency and spectrum are also affected quite dramatically by the presence of water. The J-aggregate also shows an electrochromic effect in the presence of moisture. We show that the electrochromic effect arises because the J-aggregate converts to the monomer.
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页码：993 / 1004
页数：12
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