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Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods
นักวิจัย : Xu, Xiaoyan , Du, Qingguo , Peng, Bo , Xiong, Qihua , Hong, Lei , Demir, Hilmi Volkan , Wong, Terence K. S. , Ko Kyaw, Aung Ko , Sun, Xiao Wei
คำค้น : DRNTU::Engineering::Electrical and electronic engineering::Nanoelectronics
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2557
อ้างอิง : Xu, X., Du, Q., Peng, B., Xiong, Q., Hong, L., Demir, H. V., et al. (2014). Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods. Applied physics letters, 105(11). , http://hdl.handle.net/10220/24083 , http://dx.doi.org/10.1063/1.4896516
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Applied physics letters
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Chemically synthesized gold (Au)-silica nanorods with shell thickness of 0 nm–10 nm were incorporated into the bulk heterojunction of a small-molecule organic solar cell. At optimal (1 wt. %) concentration, Au-silica nanorods with 5 nm shell thickness resulted in the highest power conversion efficiency of 8.29% with 27% relative enhancement. Finite-difference time-domain simulation shows that the localized electric field intensity at the silica shell-organic layer interface decreases with the increase of shell thickness for both 520 nm and 680 nm resonance peaks. The enhanced haze factor for transmission/reflection of the organic layer is not strongly dependent on the shell thickness. Bare Au nanorods yielded the lowest efficiency of 5.4%. Light intensity dependence measurement of the short-circuit current density shows that the silica shell reduces bimolecular recombination at the Au surface. As a result, both localized field intensity and light scattering are involved in efficiency enhancement for an optimized shell thickness of 5 nm.

บรรณานุกรม :
Xu, Xiaoyan , Du, Qingguo , Peng, Bo , Xiong, Qihua , Hong, Lei , Demir, Hilmi Volkan , Wong, Terence K. S. , Ko Kyaw, Aung Ko , Sun, Xiao Wei . (2557). Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Xu, Xiaoyan , Du, Qingguo , Peng, Bo , Xiong, Qihua , Hong, Lei , Demir, Hilmi Volkan , Wong, Terence K. S. , Ko Kyaw, Aung Ko , Sun, Xiao Wei . 2557. "Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Xu, Xiaoyan , Du, Qingguo , Peng, Bo , Xiong, Qihua , Hong, Lei , Demir, Hilmi Volkan , Wong, Terence K. S. , Ko Kyaw, Aung Ko , Sun, Xiao Wei . "Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2557. Print.
Xu, Xiaoyan , Du, Qingguo , Peng, Bo , Xiong, Qihua , Hong, Lei , Demir, Hilmi Volkan , Wong, Terence K. S. , Ko Kyaw, Aung Ko , Sun, Xiao Wei . Effect of shell thickness on small-molecule solar cells enhanced by dual plasmonic gold-silica nanorods. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2557.