对映选择合成
手性(物理)
氢键
分子间力
拉曼光谱
试剂
拉曼散射
化学
化学物理
材料科学
手征对称性
计算化学
光化学
分子
有机化学
催化作用
光学
物理
量子力学
Nambu–Jona Lasinio模型
夸克
作者
Yue Wang,Zhi Yu,Wei Ji,Yoshito Tanaka,Huimin Sui,Bing Zhao,Yukihiro Ozaki
标识
DOI:10.1002/anie.201407642
摘要
Efficient and generic enantioselective discrimination of various chiral alcohols is achieved by using surface-enhanced Raman scattering (SERS) spectroscopy through charge-transfer (CT) contributions. The relative intensities of the peaks in the SERS spectra of a chiral selector are strongly dependent on the chirality of its surroundings. This highly distinct spectral discrepancy may be due to the tendency of chiral isomers to form intermolecular hydrogen-bonding complexes with the chiral selector in different molecular orientations, resulting in different CT states and SERS intensities of the adsorbates in the system. This study opens a new avenue leading to the development of novel enantiosensing strategies. A particular advantage of this approach is that it is label-free and does not employ any chiral reagents, including chiral light.
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