Measurements of Spin Dynamics Reveal that Shape of Excitons in Quantum Rod Heterostructures Changes with Size (Fact Sheet)

关键词: ANISOTROPY;    EXCITONS;    GEOMETRY;    POLARIZATION;    PROBES;    SHAPE;    SPIN;    TRANSIENTS SPINDYNAMICS;    HETEROSTRUCTURES;    QUANTUM ROD;    SEMICONDUCTORS;    ELECTRON-HOLE;    Chemical and Material Sciences;   

DOI  :  10.2172/1045736
RP-ID  :  NREL/FS-5900-53383
PID  :  OSTI ID: 1045736
Others  :  TRN: US201215%%208

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来源: SciTech Connect

【 摘 要 】

Using femtosecond cross-polarized transient grating (CPTG) and polarization anisotropy, NREL was able to probe the extent of electronic delocalization in CdSe/CdS quantum rod heterostructures (QRH) with a 'dot-in-rod' geometry.