FEMTOSECOND TIME-RESOLVED OPTICAL-RESPONSE OF PHTHALOCYANINE LANGMUIR-BLODGETT-FILM

被引：17

作者：

YUAN, P ^{[1
]}

XIA, ZJ ^{[1
]}

ZOU, YH ^{[1
]}

QIU, L ^{[1
]}

SHEN, JF ^{[1
]}

SHEN, YQ ^{[1
]}

XU, HJ ^{[1
]}

机构：

[1] ACAD SINICA,INST PHOTOG CHEM,BEIJING 100101,PEOPLES R CHINA

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 75卷 / 09期

关键词：

D O I：

10.1063/1.355915

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The mechanism of 2,9,16,23-tetra-heptadecylamido-substituted vanadyl phthalocyanine Langmuir-Blodgett film was studied with femtosecond laser pulses. After the excitation into the first electronic excited band, an ultrafast decay due to phonon-exciton coupling greatly affected by temperature was observed. Following this process, exciton-exciton annihilation leads to the recovery of the ground state with a decay time of about 10 ps. The Frenkel exciton theory was employed to give a complete interpretation of the dynamics. An even slower relaxation was also observed.

引用

页码：4648 / 4651

页数：4

共 20 条

[1] PICOSECOND LASER PHOTOPHYSICS - GROUP-3A PHTHALOCYANINES [J].

BRANNON, JH ;

MAGDE, D .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1980, 102 (01) :62-65

[2] DYNAMICS OF 3RD-ORDER NONLINEAR OPTICAL PROCESSES IN LANGMUIR-BLODGETT AND EVAPORATED-FILMS OF PHTHALOCYANINES [J].

CASSTEVENS, MK ;

SAMOC, M ;

PFLEGER, J ;

PRASAD, PN .

JOURNAL OF CHEMICAL PHYSICS, 1990, 92 (03) :2019-2024

[3]

CHEMLA DS, 1987, NONLINEAR OPTICAL EL, V2

[4]

CHEMLA DS, 1987, NONLINEAR OPTICAL EL, V1

[5] SINGLET-EXCITON FUSION IN MOLECULAR-SOLIDS - A DIRECT SUBPICOSECOND DETERMINATION OF TIME-DEPENDENT ANNIHILATION RATES [J].

GREENE, BI ;

MILLARD, RR .

PHYSICAL REVIEW LETTERS, 1985, 55 (12) :1331-1334

[6]

Ho Z. Z., 1988, Proceedings of the SPIE - The International Society for Optical Engineering, V971, P51, DOI 10.1117/12.948265

[7] FEMTOSECOND DYNAMICS IN ORGANIC THIN-FILMS OF FLUORO-ALUMINUM PHTHALOCYANINE [J].

HO, ZZ ;

PEYGHAMBARIAN, N .

CHEMICAL PHYSICS LETTERS, 1988, 148 (2-3) :107-111

[8] 3RD HARMONIC-GENERATION IN PHTHALOCYANINES [J].

HO, ZZ ;

JU, CY ;

HETHERINGTON, WM .

JOURNAL OF APPLIED PHYSICS, 1987, 62 (02) :716-718

[9] RELAXATION DYNAMICS OF PHOTOEXCITATIONS IN POLYDIACETYLENES AND POLYTHIOPHENE [J].

KOBAYASHI, T ;

YOSHIZAWA, M ;

STAMM, U ;

TAIJI, M ;

HASEGAWA, M .

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1990, 7 (08) :1558-1578

[10] SATURATION OF ABSORPTION AND FLUORESCENCE IN SOLUTIONS OF PHTHALOCYANINES [J].

KOSONOCKY, WF ;

HARRISON, SE .

JOURNAL OF APPLIED PHYSICS, 1966, 37 (13) :4789-+

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