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Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots
นักวิจัย : Yeltik, Aydan , Guzelturk, Burak , Hernandez-Martinez, Pedro Ludwig , Akhavan, Shahab , Demir, Hilmi Volkan
คำค้น : DRNTU::Science::Physics
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2556
อ้างอิง : Yeltik, A., Guzelturk, B., Hernandez-Martinez, P. L., Akhavan, S., & Demir, H. V. (2013). Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots. Applied physics letters, 103(26), 261103-. , 0003-6951 , http://hdl.handle.net/10220/18742 , http://dx.doi.org/10.1063/1.4858384
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Applied physics letters
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

We report enhanced sensitization of silicon through nonradiative energy transfer (NRET) of the excitons in an energy-gradient structure composed of a cascaded bilayer of green- and red-emitting CdTe quantum dots (QDs) on bulk silicon. Here NRET dynamics were systematically investigated comparatively for the cascaded energy-gradient and mono-dispersed QD structures at room temperature. We show experimentally that NRET from the QD layer into silicon is enhanced by 40% in the case of an energy-gradient cascaded structure as compared to the mono-dispersed structures, which is in agreement with the theoretical analysis based on the excited state population-depopulation dynamics of the QDs.

บรรณานุกรม :
Yeltik, Aydan , Guzelturk, Burak , Hernandez-Martinez, Pedro Ludwig , Akhavan, Shahab , Demir, Hilmi Volkan . (2556). Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Yeltik, Aydan , Guzelturk, Burak , Hernandez-Martinez, Pedro Ludwig , Akhavan, Shahab , Demir, Hilmi Volkan . 2556. "Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Yeltik, Aydan , Guzelturk, Burak , Hernandez-Martinez, Pedro Ludwig , Akhavan, Shahab , Demir, Hilmi Volkan . "Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2556. Print.
Yeltik, Aydan , Guzelturk, Burak , Hernandez-Martinez, Pedro Ludwig , Akhavan, Shahab , Demir, Hilmi Volkan . Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2556.