THE RED AND NEAR-INFRARED RESONANCE RAMAN-SPECTROSCOPY OF PHOTO-INDUCED DEFECTS IN THE MIXED-VALENCE LINEAR-CHAIN COMPLEX [PTII(EN)2][PTIV(EN)2CL2][CLO4]4

被引：20
|
作者：
DONOHOE, RJ [1 ]
DYER, RB [1 ]
SWANSON, BI [1 ]
机构：
[1] UNIV CALIF LOS ALAMOS SCI LAB,PHOTOCHEM & PHOTOPHYS GRP CLS4,LOS ALAMOS,NM 87545
来源：
SOLID STATE COMMUNICATIONS | 1990年 / 73卷 / 07期
关键词：
D O I：
10.1016/0038-1098(90)90376-M
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Resonance Raman (RR) spectra of the quasi-one-dimensional solid [PtII(en)2][PtIV(en)2Cl2][ClO4]4 were obtained wth red excitations (1.65 and 1.41 eV) as a function of photolysis of the solid with energy within the intervalence charge transfer band (2.41 eV). The 1.65 eV excitation corresponds to a polaronic local gap absorption which is known to increase in intensity upon photolysis [S. Kurita & M. Haruki, Synthetic Metals 29, F129 (1989)]. However, the RR spectrum which best reveals the photo-induced defects is obtained with 1.41 eV excitation and indicates the presence of both hole and electron polaron defects. © 1990.
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收藏
页码：521 / 525
页数：5
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