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Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells
นักวิจัย : Liu, Xinfeng , Wu, Bo , Zhang, Qing , Yip, Jing Ngei , Yu, Guannan , Xiong, Qihua , Mathews, Nripan , Sum, Tze Chien
คำค้น : DRNTU::Engineering::Electrical and electronic engineering::Nanoelectronics
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2557
อ้างอิง : Liu, X., Wu, B., Zhang, Q., Yip, J. N., Yu, G., Xiong, Q., et al. (2014). Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells. ACS nano, 8(10), 10101–10110. , http://hdl.handle.net/10220/25024 , http://dx.doi.org/10.1021/nn505020e , 183208
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : ACS nano
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

The origins of performance enhancement in hybrid plasmonic organic photovoltaic devices are often embroiled in a complex interaction of light scattering, localized surface plasmon resonances, exciton–plasmon energy transfer and even nonplasmonic effects. To clearly deconvolve the plasmonic contributions from a single nanostructure, we herein investigate the influence of a single silver nanowire (NW) on the charge carriers in bulk heterojunction polymer solar cells using spatially resolved optical spectroscopy, and correlate to electrical device characterization. Polarization-dependent photocurrent enhancements with a maximum of ∼36% over the reference are observed when the transverse mode of the plasmonic excitations in the Ag NW is activated. The ensuing higher absorbance and light scattering induced by the electronic motion perpendicular to the NW long axis lead to increased exciton and polaron densities instead of direct surface plasmon-exciton energy transfer. Finite-difference time-domain simulations also validate these findings. Importantly, our study at the single nanostructure level explores the fundamental limits of plasmonic enhancement achievable in organic solar cells with a single plasmonic nanostructure.

บรรณานุกรม :
Liu, Xinfeng , Wu, Bo , Zhang, Qing , Yip, Jing Ngei , Yu, Guannan , Xiong, Qihua , Mathews, Nripan , Sum, Tze Chien . (2557). Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Xinfeng , Wu, Bo , Zhang, Qing , Yip, Jing Ngei , Yu, Guannan , Xiong, Qihua , Mathews, Nripan , Sum, Tze Chien . 2557. "Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Xinfeng , Wu, Bo , Zhang, Qing , Yip, Jing Ngei , Yu, Guannan , Xiong, Qihua , Mathews, Nripan , Sum, Tze Chien . "Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2557. Print.
Liu, Xinfeng , Wu, Bo , Zhang, Qing , Yip, Jing Ngei , Yu, Guannan , Xiong, Qihua , Mathews, Nripan , Sum, Tze Chien . Elucidating the localized plasmonic enhancement effects from a single Ag nanowire in organic solar cells. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2557.