观察到近均一尺寸的ZnO纳米粒子LO模多声子拉曼频率不随尺寸变化而改变.这为一阶LO模拉曼谱不随尺寸变化的实验结果提供了进一步的证据.参照相关实验工作,本文对ZnO这种极性纳米粒子光学模拉曼谱随尺寸变化而不变的物理根源进行了理论计算和讨论,并认为长程库仑相互作用是其根源.中国科学引文数据库(CSCD)04321-3241
本文介绍了用拉曼光谱研究CdSe和ZnO两种Ⅱ-Ⅳ族量子点材料的结果,对拉曼峰进行了指认.观察到的光学声子峰位的移动被认为是由量子限制效应引起.中国科学引文数据库(CSCD)0275-771
This work presents an investigation of phonons and excitons in Zinc Oxide nanoparticles. We show th...
In this Letter, the Raman scattering and room-temperature photoluminescence (PL) spectra of the ZnO ...
We study Raman spectra of ZnO nanoparticles of 5–12 nm size in the whole range of the first-order ph...
通过对ZnO纳米管样品的拉曼光谱研究,发现ZnO纳米管拉曼频率和体材料拉曼频率相同,在不同波长激发下,ZnO纳米管拉曼谱峰的频率也保持不变,从而得到了极性晶体拉曼谱不同于以往非极性拉曼谱的特性:在纳米...
报道了用光谱的手段研究SiC纳米棒(NR)的结果.对于在实验中观察到LO模的大幅度红移及新出现的喇曼峰,认为在类似SiCNR的存在大量缺陷的极性纳米材料中,结构缺陷对材料特性的影响比量子限制效应更为重...
FT Raman spectrum of ZnO nanowalls and nanorods showed optical phonon and multiphonon peaks of E2 (...
FT Raman spectrum of ZnO nanowalls and nanorods showed optical phonon and multiphonon peaks of E2 (h...
The ability to understand the phonon behavior in small metal oxide nanostructures and their surfaces...
利用ZnO2热分解方法制备的ZnO粉末的拉曼光谱,通过分析不同加热温度下所得样品强激光烧蚀后拉曼峰位的差异并对比其他方法所制样品的光谱,指出333 cm-1拉曼峰应当归结为E2(high)和E2(lo...
Crystalline ZnO nanoparticles with nearly uniform size were studied using photoluminescence and Rama...
ZnO nanoparticles in the size range 2.5–7 nm have been synthesised by a wet chemical method where Zn...
采用溶胶-凝胶法制备了粒度小于10nm的ZnO纳米颗粒,用沉淀法制备了粒度大于10 nm的ZnO纳米颗粒.讨论了颗粒粒度的控制因素,得到不同粒度的产品.采用TEM、XRD、BET、UV-Vis等检测手...
The knowledge of Raman effect which is also known as fingerprinting of the universe, the recent inve...
A comprehensive study on Raman spectroscopy with different excitation wavelengths, sample sizes, and...
本文介绍了用拉曼光谱研究CdSe和ZnO两种Ⅱ-Ⅳ族量子点材料的结果,对拉曼峰进行了指认.观察到的光学声子峰位的移动被认为是由量子限制效应引起.中国科学引文数据库(CSCD)0275-771
This work presents an investigation of phonons and excitons in Zinc Oxide nanoparticles. We show th...
In this Letter, the Raman scattering and room-temperature photoluminescence (PL) spectra of the ZnO ...
We study Raman spectra of ZnO nanoparticles of 5–12 nm size in the whole range of the first-order ph...
通过对ZnO纳米管样品的拉曼光谱研究,发现ZnO纳米管拉曼频率和体材料拉曼频率相同,在不同波长激发下,ZnO纳米管拉曼谱峰的频率也保持不变,从而得到了极性晶体拉曼谱不同于以往非极性拉曼谱的特性:在纳米...
报道了用光谱的手段研究SiC纳米棒(NR)的结果.对于在实验中观察到LO模的大幅度红移及新出现的喇曼峰,认为在类似SiCNR的存在大量缺陷的极性纳米材料中,结构缺陷对材料特性的影响比量子限制效应更为重...
FT Raman spectrum of ZnO nanowalls and nanorods showed optical phonon and multiphonon peaks of E2 (...
FT Raman spectrum of ZnO nanowalls and nanorods showed optical phonon and multiphonon peaks of E2 (h...
The ability to understand the phonon behavior in small metal oxide nanostructures and their surfaces...
利用ZnO2热分解方法制备的ZnO粉末的拉曼光谱,通过分析不同加热温度下所得样品强激光烧蚀后拉曼峰位的差异并对比其他方法所制样品的光谱,指出333 cm-1拉曼峰应当归结为E2(high)和E2(lo...
Crystalline ZnO nanoparticles with nearly uniform size were studied using photoluminescence and Rama...
ZnO nanoparticles in the size range 2.5–7 nm have been synthesised by a wet chemical method where Zn...
采用溶胶-凝胶法制备了粒度小于10nm的ZnO纳米颗粒,用沉淀法制备了粒度大于10 nm的ZnO纳米颗粒.讨论了颗粒粒度的控制因素,得到不同粒度的产品.采用TEM、XRD、BET、UV-Vis等检测手...
The knowledge of Raman effect which is also known as fingerprinting of the universe, the recent inve...
A comprehensive study on Raman spectroscopy with different excitation wavelengths, sample sizes, and...
本文介绍了用拉曼光谱研究CdSe和ZnO两种Ⅱ-Ⅳ族量子点材料的结果,对拉曼峰进行了指认.观察到的光学声子峰位的移动被认为是由量子限制效应引起.中国科学引文数据库(CSCD)0275-771
This work presents an investigation of phonons and excitons in Zinc Oxide nanoparticles. We show th...
In this Letter, the Raman scattering and room-temperature photoluminescence (PL) spectra of the ZnO ...
DOI
Add to ORKG