Polarized absorption and emission of ordered self-assembled porphyrin rings

被引：54

作者：

Jeukens, CRLPN

Lensen, MC

Wijnen, FJP

Elemans, JAAW

Christianen, PCM

Rowan, AE

Gerritsen, JW

Nolte, RJM

Maan, JC

机构：

[1] Univ Nijmegen, HFML, High Field Magnet Lab, NSRIM, NL-6525 ED Nijmegen, Netherlands

[2] Univ Nijmegen, Dept Organ Chem, NSRIM, NL-6525 ED Nijmegen, Netherlands

[3] Univ Nijmegen, Dept Solid State Phys, NSRIM, NL-6525 ED Nijmegen, Netherlands

来源：

NANO LETTERS | 2004年 / 4卷 / 08期

关键词：

D O I：

10.1021/nl049363d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Self-assembled rings (with diameters of 0.1-2.0 mum) consisting of porphyrin dodecamer molecules are formed by evaporating chloroform solutions on glass substrates. Fluorescence microscopy experiments on individual rings reveal a strongly polarized optical absorption and emission. Quantitative analysis of the fluorescence images evidences the high degree of order within the rings, consisting of radially oriented columnar stacks of porphyrin dodecamers, and the absence of energy transport along the rings on length scales resolved by fluorescence microscopy.

引用

页码：1401 / 1406

页数：6

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