摘要
观测了金纳米球壳微粒 (纳米级Au2 S介质外包裹一层纳米级厚的金壳 )的荧光光谱 ,与块状Au2 S的荧光峰相比 ,金纳米球壳的荧光峰蓝移到蓝绿区域。蓝移的主要原因是核壳纳米复合结构中的表面态和量子尺寸效应。
The photoluminescence of Au2S/Au nanoshell (a nanometer-scale Au2S core coated by a thin Au shell) is observed. A photoluminescence peak of Au coated Au2S is observed near the blue-green region. Comparing to the photoluminescence region of bulk Au2S which is near the orange-red region, the blue-shift photoluminescence of the Au2S/Au nanoshell mainly attributes to the core/shell nanostructure.
出处
《光学学报》
EI
CAS
CSCD
北大核心
2003年第2期129-131,共3页
Acta Optica Sinica
基金
国家自然科学基金 ( 198740 49)资助课题。
