DYNAMICAL APPROACH TO EXCITON MIGRATION IN DISORDERED MOLECULAR-SOLIDS

被引:102
作者
BLUMEN, A [1 ]
SILBEY, R [1 ]
机构
[1] MIT,CTR MAT SCI & ENGN,CAMBRIDGE,MA 02139
关键词
D O I
10.1063/1.437975
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
We present a dynamical model for the rapid change in relative emission from traps and supertraps in molecular solids when the trap concentration is varied. Good agreement between experiment and the theoretical model is obtained in all cases. The physical picture of this model is similar to that of a percolation model and contrasts with the model based on a transition from localized to extended states. © 1979 American Institute of Physics.
引用
收藏
页码:3707 / 3714
页数:8
相关论文
共 20 条
[1]   ABSENCE OF DIFFUSION IN CERTAIN RANDOM LATTICES [J].
ANDERSON, PW .
PHYSICAL REVIEW, 1958, 109 (05) :1492-1505
[2]   DIATOMIC-MOLECULES IN A RARE-GAS MATRIX - VIBRATIONAL ENERGY ACCUMULATION IN CO ISOTOPES IMBEDDED IN ARGON [J].
BLUMEN, A ;
MANZ, J ;
YAKHOT, V .
CHEMICAL PHYSICS, 1977, 26 (02) :287-293
[3]   SINGLET AND TRIPLET EXCITON PERCOLATION IN BENZENE ISOTOPIC MIXED-CRYSTALS [J].
COLSON, SD ;
GEORGE, SM ;
KEYES, T ;
VAIDA, V .
JOURNAL OF CHEMICAL PHYSICS, 1977, 67 (11) :4941-4947
[4]   PHONON ASSISTED TRAP-TRAP TRIPLET ENERGY MIGRATION IN ODEGREESK LIMIT IN CRYSTALLINE BENZENE [J].
COLSON, SD ;
TURNER, RE ;
VAIDA, V .
JOURNAL OF CHEMICAL PHYSICS, 1977, 66 (05) :2187-2190
[5]   A THEORY OF SENSITIZED LUMINESCENCE IN SOLIDS [J].
DEXTER, DL .
JOURNAL OF CHEMICAL PHYSICS, 1953, 21 (05) :836-850
[6]   *ZWISCHENMOLEKULARE ENERGIEWANDERUNG UND FLUORESZENZ [J].
FORSTER, T .
ANNALEN DER PHYSIK, 1948, 2 (1-2) :55-75
[7]   ENERGY TRANSFER IN RUBY [J].
IMBUSCH, GF .
PHYSICAL REVIEW, 1967, 153 (02) :326-&
[8]   INFLUENCE OF ENERGY TRANSFER BY EXCHANGE MECHANISM ON DONOR LUMINESCENCE [J].
INOKUTI, M ;
HIRAYAMA, F .
JOURNAL OF CHEMICAL PHYSICS, 1965, 43 (06) :1978-&
[9]   CRITICAL CONCENTRATION FOR ELECTRONIC-ENERGY TRANSFER IN MIXED ORGANIC SOLIDS [J].
KLAFTER, J ;
JORTNER, J .
CHEMICAL PHYSICS LETTERS, 1977, 49 (03) :410-415
[10]   EXCITON PERCOLATION - ISOTOPIC-MIXED B-1(2U) NAPHTHALENE [J].
KOPELMAN, R ;
MONBERG, EM ;
OCHS, FW ;
PRASAD, PN .
PHYSICAL REVIEW LETTERS, 1975, 34 (24) :1506-1509