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Photoconductivity and charge transporting properties of metal-containing poly(p-phenylenevinylene)s

 

作者: Wai Kin Chan,   Xiong Gong,   Wai Yue Ng,  

 

期刊: Applied Physics Letters  (AIP Available online 1997)
卷期: Volume 71, issue 20  

页码: 2919-2921

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.120548

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A novel type of poly(p-phenylenevinylene)s which contain (bis(2,2′:6′,2′′-terpyridine) ruthenium (II) complexes has been developed. The absorption of the polymers at 500 nm was strongly enhanced by the metal complexes due to the presence of the metal–ligand charge transfer transition. The charge transportation is dispersive with hole carrier mobilities and activation energy of∼7×10−5 cm2 V−1 s−1and 0.20 eV, respectively, depending on the concentration of the metal complex. A log &mgr; vsE1/2plot shows that hole mobilities decrease with increasing field, which suggests the presence of off-diagonal disorder in the hopping sites. ©1997 American Institute of Physics.

 

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