Support from the National Natural Science Foundation of China (Grant No.60966002,11264007);the National Key Laboratory of Surface Physics in Fudan University
The calculation results show that the bonding energy and electronic states of silicon quantum dots are different on various curved surfaces, for example, a Si-O-Si bridge bond on curved surface provides the localized ...
Support from the National Natural Science Foundation of China ( Grant No.10764002,60966002,11264007);the National Key Laboratory of Surface Physics in Fudan University
A new conception of nano-laser is proposed in which depending on the size of nano-clusters (silicon quantum dots (QD)), the pumping level of laser can be tuned by the quantum confinement (QC) effect, and the populatio...
Project supported by the National Natural Science Foundation of China (Grant No. 60966002);the National Key Laboratory of Surface Physics, Fudan University, China
The emission of silicon quantum dots is weak when their surface is passivated well. Oxygen or nitrogen on the surface of silicon quantum dots can break the passivation to form localized electronic states in the band g...
Project supported by the National Natural Science Foundation of China (Grant No. 60966002);the National Key Laboratory Fund of Surface Physics at Fudan University,(Grant No. 20090606)
A new nanolaser concept using silicon quantum dots (QDs) is proposed. The conduction band opened by the quantum confinement effect gives the pumping levels. Localized states in the gap due to some surface bonds on S...