Surface passivation assisted lasing emission in the quantum dots doped cholesteric liquid crystal resonating cavity with polymer template

Surface passivation assisted lasing emission in the quantum dots doped cholesteric liquid crystal resonating cavity with polymer template

A copolymer has been used as a template for enhanced optical properties of core–shell CdS/ZnSe quantum dots doped cholesteric liquid crystal. The lasing behavior is achieved at relatively low laser excitation energy threshold at room temperature. Low-threshold value and high-optical stability make t...

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Veröffentlicht in:RSC advances 2014-01, Vol.4 (95), p.52804-52807
Hauptverfasser: Chen, Lin-Jer, Lee, Chia-Rong, Chu, Chung-Liang
Format: Artikel
Sprache:eng
Schlagworte:
Cavity resonators
Cholesteric liquid crystals
Copolymers
Emission
Lasers
Lasing
Optical properties
Quantum dots
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Zusammenfassung:A copolymer has been used as a template for enhanced optical properties of core–shell CdS/ZnSe quantum dots doped cholesteric liquid crystal. The lasing behavior is achieved at relatively low laser excitation energy threshold at room temperature. Low-threshold value and high-optical stability make this optical system promising for visible laser emitter applications.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA05787B