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- W2000431003 abstract "Abstract Considerable attention has been paid to hybrid organic–inorganic nanocomposites for designing new optical materials. Herein, we demonstrate the energy and hole transfer of hybrid hole‐transporting α‐sexithiophene (α‐STH) nanoparticle–CdTe quantum dot (QD) nanocomposites using steady‐state and time‐resolved spectroscopy. Absorption and photoluminescence studies confirm the loss of planarity of the α‐sexithiophene molecule due to the formation of polymer nanoparticles. Upon photoexcitation at 370 nm, a nonradiative energy transfer (73 %) occurs from the hole‐transporting α‐STH nanoparticles to the CdTe nanoparticles with a rate of energy transfer of 6.13×10 9 s −1 . However, photoluminescence quenching of the CdTe QDs in the presence of the hole‐transporting α‐STH nanoparticles is observed at 490 nm excitation, which is due to both static‐quenching and hole‐transfer‐based dynamic‐quenching phenomena. The calculated hole‐transporting rate is 7.13×10 7 s −1 in the presence of 42×10 −8 M α‐STH nanoparticles. Our findings suggest that the interest in α‐sexithiophene (α‐STH) nanoparticle–CdTe QD hybrid nanocomposites might grow in the coming years because of various potential applications, such as solar cells, optoelectronic devices, and so on." @default.
- W2000431003 created "2016-06-24" @default.
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- W2000431003 date "2012-11-20" @default.
- W2000431003 modified "2023-10-17" @default.
- W2000431003 title "Energy/Hole Transfer Phenomena in Hybrid α-Sexithiophene (α-STH) Nanoparticle-CdTe Quantum-Dot Nanocomposites" @default.
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- W2000431003 doi "https://doi.org/10.1002/cphc.201200694" @default.
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