PHOTOINDUCED ELECTRON-TRANSFER FROM TRIPLET FULLERENE, C-3(60), TO TETRACYANOETHYLENE - FOURIER-TRANSFORM ELECTRON-PARAMAGNETIC-RESONANCE STUDY

被引:34
作者
MICHAELI, S
MEIKLYAR, V
SCHULZ, M
MOBIUS, K
LEVANON, H
机构
[1] HEBREW UNIV JERUSALEM,DEPT PHYS CHEM,IL-91904 JERUSALEM,ISRAEL
[2] HEBREW UNIV JERUSALEM,FARKAS CTR LIGHT INDUCED PROC,IL-91904 JERUSALEM,ISRAEL
[3] FREE UNIV BERLIN,INST MOLEC PHYS,D-14195 BERLIN,GERMANY
关键词
D O I
10.1021/j100082a008
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
Fourier transform EPR spectroscopy was employed in studying the electron transfer (ET) and the quenching mechanisms of the photoexcited triplet state of C-60 (electron donor) in the presence of the electron acceptor tetracyanoethylene (TCNE) in a benzonitrile solution. The ET reaction product, which is the stable anion radical TCNE-, interacts with C-3(60) (both detected by EPR in the liquid phase), leading to chemically induced dynamic electron polarization of TCNE-, via triplet-doublet mixing mechanism.
引用
收藏
页码:7444 / 7447
页数:4
相关论文
共 29 条
[11]   SPIN POLARIZATION GENERATED IN THE TRIPLET DOUBLET INTERACTION - HYPERFINE-DEPENDENT CHEMICALLY-INDUCED DYNAMIC ELECTRON POLARIZATION [J].
KAWAI, A ;
OKUTSU, T ;
OBI, K .
JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (23) :9130-9134
[12]   1ST OBSERVATION OF A RADICAL TRIPLET PAIR MECHANISM (RTPM) WITH DOUBLET PRECURSOR [J].
KAWAI, A ;
OBI, K .
JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (01) :52-56
[13]   A NEW MECHANISM OF ELECTRON-SPIN POLARIZATION GENERATION THROUGH RADICAL-EXCITED MOLECULE INTERACTIONS [J].
KAWAI, A ;
OBI, K .
RESEARCH ON CHEMICAL INTERMEDIATES, 1993, 19 (09) :865-894
[14]   PARAMAGNETIC STATES AND DYNAMICS OF PHOTOEXCITED C-60 [J].
LEVANON, H ;
MEIKLYAR, V ;
MICHAELI, A ;
MICHAELI, S ;
REGEV, A .
JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (15) :6128-6131
[15]   TRIPLET-STATE AND DYNAMICS OF PHOTOEXCITED C-70 [J].
LEVANON, H ;
MEIKLYAR, V ;
MICHAELI, S ;
GAMLIEL, D .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (19) :8722-8727
[16]  
MEITES L, 1976, HDB SERIES ORGANIC E, V1, P254
[17]   PHOTOCHEMICAL PROPERTIES OF C-60 - TRIPLET-EXCITED C-60 QUENCHING BY ELECTRON-ACCEPTORS TCNQ AND TCNE IN SOLUTION - LASER PHOTOLYSIS STUDY [J].
NADTOCHENKO, VA ;
DENISOV, NN ;
RUBTSOV, IV ;
LOBACH, AS ;
MORAVSKII, AP .
CHEMICAL PHYSICS LETTERS, 1993, 208 (5-6) :431-435
[18]   PRODUCTION OF C-60 RADICAL CATION BY PHOTOSENSITIZED ELECTRON-TRANSFER [J].
NONELL, S ;
ARBOGAST, JW ;
FOOTE, CS .
JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (11) :4169-4170
[19]   HIGH-YIELD SYNTHESIS, SEPARATION, AND MASS-SPECTROMETRIC CHARACTERIZATION OF FULLERENES C60 TO C266 [J].
PARKER, DH ;
WURZ, P ;
CHATTERJEE, K ;
LYKKE, KR ;
HUNT, JE ;
PELLIN, MJ ;
HEMMINGER, JC ;
GRUEN, DM ;
STOCK, LM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (20) :7499-7503
[20]   EPR STUDIES OF THE TETRACYANOETHYLENE ANION RADICAL [J].
PHILLIPS, WD ;
ROWELL, JC ;
WEISSMAN, SI .
JOURNAL OF CHEMICAL PHYSICS, 1960, 33 (02) :626-627