期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 6, 期 2-3, 页码 253-257出版社
SPRINGER
DOI: 10.1023/B:NANO.0000034741.65950.61
关键词
soft-hard dual template; celloidin membrane; nanoparticles; ZnSe; CdSe; HgSe
Using a celloidin membrane as template, the uniform Group IIB selenide nanoparticles were inductively synthesized at room temperature and ambient pressure. The nanoparticles are cubic ZnSe quantum dots, hexagonal CdSe quantum dots and cubic HgSe nanoparticles with average diameters of 3.1, 2.0 and 44 nm, respectively. In the ultraviolet-visible spectra, their absorption peaks are at about 360, 480 and 440 nm individually, and have large blue shifts due to quantum size effect. The corresponding photoluminescence peaks individually showed at 367, 438 and 440 nm. In addition, the preparation conditions and formation mechanism have been explored.
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