Interband and Intraband Optical Studies of PbSe Colloidal Quantum Dots

作者: Brian L. Wehrenberg , Congjun Wang , Philippe Guyot-Sionnest

DOI: 10.1021/JP021187E

关键词: NanocrystalPhysicsExcitonAuger effectMolecular physicsQuantum yieldRelaxation (NMR)PhononCondensed matter physicsStokes shiftAbsorption (electromagnetic radiation)

摘要: PbSe nanocrystal colloids exhibit a well-defined excitonic structure with the lowest energy exciton tuning from 0.5 to 1 eV, as a function of size. Band-edge fluorescence is observed …

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