Prepare core–multishell CdSeZnS nanocrystals with pure color and controlled emission by tri-n-octylphosphine-assisted method》.pdfVIP

Applied Surface Science 353 (2015) 480–488 Contents lists available at ScienceDirect Applied Surface Science j o u rn al h o m e p a g e : w w w. elsev /locate/aps usc Prepare core–multishell CdSe/ZnS nanocrystals with pure color and controlled emission by tri-n-octylphosphine-assisted method Cuiling Ren a,c,∗ , Junjie Hao b , Hongli Chen a,c , Kai Wang b,∗∗ , Dan Wu d a College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China b Department of Electrical Electronic Engineering, South University of Science and Technology of China, Shenzhen 518055, PR China c Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou 730000, PR China d School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore a r t i c l e i n f o a b s t r a c t Article history: Core–multishell semiconductor nanocrystals have great potential in light emitting devices (LEDs) display, Received 8 December 2014 fluorescent biomarkers and luminescent solar concentrators. However, their applications are strongly Received in revised form 18 June 2015 limited due to the wide full-width at half-maximum (FWHM), inaccurate controllable emission wave- Accepted 23 June 2015 length, and decreased quantum yield as the shell coverage growth. So there still remains a great challenge Available online 25 June 2015 for improving the photoluminescence properties of core–multishell quantum dots. In this work, tri-