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Abstract:
研究了金纳米颗粒在超短激光脉冲作用下发生的形貌变化,以及由此导致的局域化表面等离激元共振光谱的变化,即“相变”效应.利用化学合成的金纳米颗粒胶体制备由随机分布的金纳米颗粒阵列构成的薄膜.将飞秒激光脉冲作用于薄膜表面,监测激光作用前后样品的显微结构图像和消光光谱的变化.实验结果表明:金纳米颗粒在激光脉冲作用下发生微区熔融、团聚等物理过程,导致金纳米颗粒形貌发生变化和等离激元共振光谱红移.
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Source :
激光与光电子学进展
ISSN: 1006-4125
Year: 2018
Issue: 12
Volume: 55
Page: 324-329
Cited Count:
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 1
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