Fluorescence Quantum Yield of Aromatic Hydrocarbon Crystals

被引：225

作者：

Katoh, Ryuzi ^{[1
]}

Suzuki, Kengo ^{[2
]}

Furube, Akihiro ^{[1
]}

Kotani, Masahiro ^{[3
]}

Tokumaru, Katsumi ^{[4
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan

[2] Hamamatsu Photon KK, Syst Div, Higashi Ku, Hamamatsu, Shizuoka 4318196, Japan

[3] Gakushuin Univ, Fac Sci, Tokyo 1718588, Japan

[4] Univ Tsukuba, Tsukuba, Ibaraki 3058577, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 07期

关键词：

TRANSIENT ABSORPTION-SPECTROSCOPY; ANTHRACENE-CRYSTALS; SINGLE-CRYSTAL; PERYLENE; EFFICIENCY; LUMINESCENCE; EXCITONS; FILMS; PHOTOIONIZATION; DEPENDENCE;

D O I：

10.1021/jp807684m

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 measured the nuorescence quantum yield ((phi(f)) of several aromatic hydrocarbon crystals: p-terphenyl, trans-stilbene, anthracene, pyrene, and alpha-perylene. The of is reduced by chemical impurities, structural defects, and reabsorption of fluorescence. To minimize the effect of chemical impurities and structural defects, we evaluated the of of highly purified single crystals. We also measured the phi f of powder samples prepared by the mechanical milling of single crystals to assess the effect of reabsorption and structural defects induced by milling. We estimated the lower limit values of the phi(f) to be 0.80 for p-terphenyl, >0.65 for trans-stilbene, >0.64 for anthracene, 0.68 for pyrene, and 0.31 for alpha-perylene.

引用

页码：2961 / 2965

页数：5

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