Self-Healing of Gold Nanoparticles in the Presence of Zinc Phthalocyanines and Their Very Efficient Nonlinear Absorption Performances

被引：39

作者：

Amendola, Vincenzo ^{[1
]}

Dini, Danilo ^{[1
]}

Polizzi, Stefano ^{[2
]}

Sheng, Jing ^{[3
]}

Kadish, Karl M. ^{[3
]}

Calvete, Mario J. F. ^{[4
]}

Hanack, Michael ^{[4
]}

Meneghetti, Moreno ^{[1
]}

机构：

[1] Univ Padua, Dept Chem Sci, I-35131 Padua, Italy

[2] Univ Venezia, Dept Phys Chem, INSTM, I-30172 Venice, Italy

[3] Univ Houston, Dept Chem, Houston, TX 77204 USA

[4] Univ Tubingen, Inst Organ Chem, D-72076 Tubingen, Germany

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 20期

关键词：

EXCITED-STATE ABSORPTION; DENDRIMER-METAL NANOCOMPOSITES; OPTICAL LIMITING PROPERTIES; SILVER NANOPARTICLES; LASER-ABLATION; 2-PHOTON ABSORPTION; ORGANIC-SOLVENTS; AG NANOPARTICLES; PROTECTED GOLD; CLUSTERS;

D O I：

10.1021/jp810921w

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 found that a gold nanoparticles (AuNP) solution shows very good nonlinear absorption properties in the nanosecond time regime at 532 nm, also at high fluences, when zinc phthalocyanines are present. The enhanced nonlinear response is due to the self-healing of gold nanoparticles, which do not undergo the fast photoinduced fragmentation usually observed during irradiation with intense laser pulses. The self-healing mechanism can be of general interest when intense laser pulses interact with plasmonic nanostructures in the presence of organic chromophores.

引用

收藏

页码：8688 / 8695

页数：8

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