手性(物理)
堆积
材料科学
等离子体子
金属
电化学
纳米技术
结晶学
化学
光化学
有机化学
光电子学
物理化学
对称性破坏
手征对称破缺
电极
冶金
物理
量子力学
Nambu–Jona Lasinio模型
作者
Liguo Ma,Yuanyuan Cao,Yingying Duan,Lu Han,Shunai Che
标识
DOI:10.1002/anie.201701994
摘要
Abstract Physical fabrication of chiral metallic films usually results in singular or large‐sized chirality, restricting the optical asymmetric responses to long electromagnetic wavelengths. The chiral molecule‐induced formation of silver films prepared chemically on a copper substrate through a redox reaction is presented. Three levels of chirality were identified: primary twisted nanoflakes with atomic crystal lattices, secondary helical stacking of these nanoflakes to form nanoplates, and tertiary micrometer‐sized circinates consisting of chiral arranged nanoplates. The chiral Ag films exhibited multiple plasmonic absorption‐ and scattering‐based optical activities at UV/Vis wavelengths based on their hierarchical chirality. The Ag films showed chiral selectivity for amino acids in catalytic electrochemical reactions, which originated from their primary atomic crystal lattices.
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