INTRA-MOLECULAR ELECTRONIC-ENERGY TRANSFER IN 1,8(6',7'-DIOXODODECAMETHYLENE) PHENANTHRENE

被引：17

作者：

SPEISER, S

KATRARO, R

WELNER, S

RUBIN, MB

机构：

[1] Department of Chemistry, Technion-Israel Institute of Technology, Haifa

来源：

CHEMICAL PHYSICS LETTERS | 1979年 / 61卷 / 01期

关键词：

D O I：

10.1016/0009-2614(79)85118-0

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：

The absorption spectrum of 1,8 (6′, 7′-dioxododecamethylene)phenanthrene (I) is composed of a superposition of the phenanthrene and biacetyl chromophores. The band at 340 nm corresponds to the phenanthrene absorption and that at 450 nm can be assigned to the biacetyl chromophore. Excitation at 337.1 nm results in emission from both chromophores. The lifetime of the phenanthrene moiety in I is 10 ns compared to 60 ns in phenanthrene. This is indicative of an intramolecular energy transfer process. Two-photon excitation of the biacetyl chromophore results in emission from the phenanthrene moiety. The mechanism for these energy transfer processes is probably of the Dexter type. © 1979.

引用

页码：199 / 202

页数：4

共 50 条

[31] DYE-LASERS AND INTER-MOLECULAR AND INTRA-MOLECULAR ENERGY-TRANSFER PROCESSES [J].

SPEISER, S .

APPLIED PHYSICS, 1979, 19 (02) :165-170

[32] CONFORMATION-DEPENDENT INTRAMOLECULAR ELECTRONIC-ENERGY TRANSFER IN A MOLECULAR-BEAM [J].

CHATTORAJ, M ;

BAL, B ;

CLOSS, GL ;

LEVY, DH .

JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (24) :9666-9672

[33] MOLECULAR ELECTRONIC-ENERGY TRANSFER IN BICHROMOPHORIC MOLECULES IN SOLUTION AND IN A SUPERSONIC JET EXPANSION [J].

SPEISER, S .

PURE AND APPLIED CHEMISTRY, 1992, 64 (10) :1481-1487

[34] ELECTRONIC-ENERGY TRANSFER IN COLLISIONS OF HG(6 P-3(2) WITH NO [J].

KRAUSE, HF ;

DATZ, S .

BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1975, 20 (11) :1459-1460

[35] DEGRADATION OF ELECTRONIC EXCITATION-ENERGY DURING INTRA-MOLECULAR PROTON PHOTOTRANSFER IN SALICYLATES [J].

MARTYNOV, IY ;

UZHINOV, BM ;

KUZMIN, MG .

HIGH ENERGY CHEMISTRY, 1977, 11 (06) :461-464

[36] FLUORESCENCE-SPECTRA AND ELECTRONIC-ENERGY LEVELS OF THE SEMICONDUCTOR 7,7',8,8' TETRACYANOQUINODIMETHANE (TCNQ) [J].

GIRLANDA, R ;

MARTINO, G ;

MEZZASALMA, AM ;

MONDIO, G ;

SAITTA, G .

NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS, 1986, 8 (02) :229-241

[37] Intra-molecular triplet energy transfer is a general approach to improve organic fluorophore photostability [J].