THE TRIPLET-STATE OF C-60 STUDIED BY ZERO-FIELD ABSORPTION-DETECTED MAGNETIC-RESONANCE

被引：27

作者：

ANGERHOFER, A ^{[1
]}

VONSCHUTZ, JU ^{[1
]}

WIDMAN, D ^{[1
]}

MULLER, WH ^{[1
]}

TERMEER, HU ^{[1
]}

SIXL, H ^{[1
]}

机构：

[1] HOECHST AG,FRANKFURT,GERMANY

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 217卷 / 04期

关键词：

D O I：

10.1016/0009-2614(93)E1391-S

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Using absorption-detected magnetic resonance (ADMR) in zero field on C-60 in a frozen toluene/polystyrene glass at temperatures between 6 and 40 K we observed two distinct triplet states. Their zero-field splitting parameters were determined by ADMR double resonance to be /D-I/=(114.6+/-1)X10(-4) cm-(1), /E(I)/=(4.8+/-1)X10(-4) cm(-1), /D-II/=(99+/-10)X10(-4) cm(-1), and /E(II)/=(17(+) 10)x10(-4) cm(-1). Triplet I was identified as the molecular triplet state of C-60 found earlier in frozen glasses, whereas triplet II was ascribed to either residual C-60 clusters or a subpopulation of the molecules in an environment allowing for partial averaging of the dipolar splitting due to a fast pseudo-rotation mechanism.

引用

页码：403 / 408

页数：6

共 31 条

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GRUPP A, IN PRESS SPRINGER SE

[12] TRANSIENT ABSORPTION, LIFETIME AND RELAXATION OF C60 IN THE TRIPLET-STATE [J].