Preparation of cadmium selenide nanocrystals through an ultrasonic activation double-phase approach at room temperature |
| |
| Affiliation: | 1. Center for Advanced Material Processing, Clarkson University, Potsdam, NY 13699-5814, USA;2. Advanced Technology, Beckman Coulter, Inc., Miami, FL 33196-2500, USA;1. Structure Research Laboratory, USTC, Hefei, Anhui 230026, PR China;2. Department of Chemistry, USTC, Hefei, Anhui 20026, PR China;1. Center for Advanced Optoelectronic Functional Material Research, Northeast Normal University, RenMin Street, 5268, Changchun 130024, PR China;2. Key Laboratory of Excited States Process, Changchun Institute of Optic Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;1. Department of Chemistry, CICECO, University of Aveiro, Campus Santiago, 3810-193 Aveiro, Portugal;2. Department of Physics, University of Aveiro, 3810-193 Aveiro, Portugal;3. Physikalische Chemie, Universität des Saarlands, D-66123 Saarbrücken, Germany |
| |
| Abstract: | Cubic phase CdSe nanocrystals were prepared through a novel ultrasonic activation double-phase approach at room temperature. The band-edge emissions with the band centered at 452, 478, 496, and 511 nm and the surface state charge carrier recombination emissions from around 520 to 590 nm were observed for the CdSe with diameters of 1.4, 1.7, 1.9 and 2.1 nm, respectively. Those fluorescence emission spectra calculated chromaticity coordinates fall well within the white, white, green and yellowish green colors with quantum yield of about 1–2%. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
