Size Dependence of First-order Hyperpolarizability of CdS Nanoparticles Studied by Hyper-Rayleigh Sc

• 作 者: YuZHANG XinWANG MingMA DeGangF
• 机 构: NationalLaboratoryofSolidStateMicrostmcturesandDepartmentofPhysics,NationalLaboratoryofMolecularandB
• 出 处: 中国化学快报：英文版
• 发表日期: 2003年9期
• 关键词: 超极化性 CDS 纳米离子 超雷利散射 二级光学非线性 尺寸 表面作用 半导体 CdS nanoparticles hyper-Rayleigh scatte
• 基金项目: 国家自然科学基金，中国博士后科学基金

The second-order optical nonlinearity of CdS nanoparticles with different diameters of28.0, 30.0, 31.5, 50.0, and 91.0 3 was studied by hyper-Rayleigh scattering technique. Resultsshow that the first-order hyperpolarizability β value per CdS particle decr