Riehle Frank S, Bienert Roland, Thomann Ralf, Urban Gerald A
University of Freiburg, Stefan Meier Strasse 21, D-79104 Freiburg, Germany.
Nano Lett. 2009 Feb;9(2):514-8. doi: 10.1021/nl080150o.
In this letter, we present a low-temperature synthesis route revealing a new type of ultrasmall CdSe nanoparticle family with exceptional narrow blue emissions between 437 and 456 nm and full width at half-maxima below 20 nm. Transmission electron microscopy characterization shows the uniformity of the nanoparticles, which have a diameter of 1.6 nm. After surface modification, the spherical particles assemble into nanowires, demonstrating their potential as building blocks for the generation of highly ordered superstructures. They can also be used as single source precursors for the synthesis of CdSe nanocrystals.
在这封信中，我们展示了一种低温合成路线，揭示了一种新型的超小CdSe纳米颗粒家族，其在437至456纳米之间具有异常窄的蓝色发射，半高宽低于20纳米。透射电子显微镜表征显示了纳米颗粒的均匀性，其直径为1.6纳米。表面改性后，球形颗粒组装成纳米线，证明了它们作为生成高度有序超结构的构建块的潜力。它们还可以用作合成CdSe纳米晶体的单源前驱体。
