Solid-state Synthesis and Optical Property Studies of CdO Nanoparticles
CdO nanoparticles with different sizes were synthesized by a simple thermal decomposition reaction of the precursor CdCO3, which was synthesized by room-temperature grinding reaction between Cd(CH3COO)2·2H2O and Na2CO3. Composition, structure and morphology of the products were analyzed and characterized by X-ray diffraction technology, transmission electron microscopy, thermogravimetry and fourier infrared spectra. Formation of CdO nanoparticles is thought that nucleation rate of the reactive system is far excess growth rate of particle. Optical properties of the products were recorded, and the ultraviolet-visible spectra exhibit the distinct blue shift in comparison with them of the bulk CdO, which is because that the quantum confinement effect of the products should be larger than the Coulomb effect. Photoluminescence spectra of the products exhibit the emission bands around 520 and 720 nm, respectively, which attributed to the quantum size effect and structural defects in the crystals.
CdO nanoparticles Thermal decomposition reaction Optical properties
Jinsong Liu Yongcan Li Kongjun Zhu Ziquan Li Shuo Zhang Jie Zhang Chengtong Yang
College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics,Nanji State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aerona
国内会议
中国颗粒学会超微颗粒专委会2011年年会暨第七届海峡两岸超微颗粒学术研讨会
辽宁丹东
英文
110-117
2011-08-08（万方平台首次上网日期，不代表论文的发表时间）