EXCITED-STATE RELAXATION PROCESSES IN THE CASE OF SOME ACETOPHENONE DERIVATIVES

被引：0

作者：

DOBKOWSKI, J

GRABOWSKI, ZR

WALUK, J

KUHNLE, W

RETTIG, W

RULLIERE, C

YANG, W

ADAMUS, J

GEBICKI, J

机构：

[1] MAX PLANCK INST BIOPHYS CHEM,W-3400 GOTTINGEN,GERMANY

[2] TECH UNIV BERLIN,IWAN N STRANSKI INST PHYS & THEORET CHEM,W-1000 BERLIN 12,GERMANY

[3] UNIV BORDEAUX 1,CTR PHYS MOLEC OPT & HERTZIENNE,F-33405 TALENCE,FRANCE

[4] TECH UNIV LODZ,INST APPL RADIAT CHEM,PL-90924 LODZ,POLAND

来源：

PROCEEDINGS OF THE INDIAN ACADEMY OF SCIENCES-CHEMICAL SCIENCES | 1992年 / 104卷 / 02期

关键词：

CHARGE TRANSFER STATE; ACETOPHENONE DERIVATIVES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Stationary fluorescence spectra of four acetophenone derivatives were measured in a number of solvents at several temperatures. For 4'-(1-pyrenyl) acetophenone (PYRA) nanosecond fluorescence decay curves and picosecond time-resolved spectra were recorded. Quantum chemical (INDO/S) calculations of the energies, electronic transitions, oscillator strengths and dipole moments were performed for four different conformers of PYRA. Two models are discussed: (i) TICT state formation; (ii) inversion of two low-lying singlet states.

引用

页码：143 / 152

页数：10

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