Premium
Long‐Range Visible Fluorescence Tunability Using Component‐Modulated Coupled Quantum Dots
Author(s) -
Sengupta Sucheta,
Ganguli Nirmal,
Dasgupta I.,
Sarma D. D.,
Acharya Somobrata
Publication year - 2011
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201004126
Subject(s) - quantum dot , materials science , optoelectronics , fluorescence , band offset , quantum , offset (computer science) , nanotechnology , quantum sensor , quantum information , quantum network , band gap , optics , physics , computer science , valence band , quantum mechanics , programming language
A simple route for tailoring emissions in the visible wavelength region by chemically coupling quantum dots composed of ZnSe and CdS is reported. Coupled quantum dots offer a novel route for tuning electronic transitions via band‐offset engineering at the material interface. This novel class of asymmetric‐coupled quantum structures may offer a basis for a diverse set of building blocks for optoelectronic devices, ultrahigh density memories, and quantum information processing.