Fluorescence Quenching of 1,4-Dihydroxy-2,3-Dimethyl-9,10-Anthraquinone by Silver Nanoparticles: Size Effect

被引：21

作者：

Umadevi, M. ^{[1
]}

Vanelle, P. ^{[2
]}

Terme, T. ^{[2
]}

Rajkumar, Beulah J. M. ^{[3
]}

Ramakrishnan, V. ^{[4
]}

机构：

[1] Mother Teresa Womens Univ, Dept Phys, Kodaikanal 624102, Tamil Nadu, India

[2] Univ Mediterranee, UMR CNRS 6264, Dept Rad Pharmacochem, Fac Pharm, F-13385 Marseille 5, France

[3] Lady Doak Coll, Dept Phys, Madurai, Tamil Nadu, India

[4] Madurai Kamaraj Univ, Sch Phys, Dept Laser Studies, Madurai 625021, Tamil Nadu, India

来源：

JOURNAL OF FLUORESCENCE | 2009年 / 19卷 / 01期

关键词：

1,4-Dihydroxy-2,3-dimethyl-9, 10-anthraquinone; Optical absorption; Fluorescence emission; Silver nanoparticle; Fluorescence quantum yield; METAL-ENHANCED FLUORESCENCE; OPTICAL-PROPERTIES; ENERGY-TRANSFER; RESONANCE; NANOCRYSTALS; SURFACE; SPECTROSCOPY; PARTICLES;

D O I：

10.1007/s10895-008-0372-8

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Size effect of silver nano particles on the photophysical properties of 1,4-dihydroxy-2,3-dimethyl-9,10-anthraquinone (DHDMAQ) have been investigated using optical absorption and fluorescence emission techniques. Silver nanoparticles of different sizes have been prepared by Creighton method using magnetic stirrer and ultrasonic field. Quenching of fluorescence of DHDMAQ has been found to increase with decrease in the size of the silver nanoparticles. Stern-Volmer quenching constants have also been calculated.

引用

页码：3 / 10

页数：8

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