Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/40003
標題: Gold nanomesh induced surface plasmon for photocurrent enhancement in a polymer solar cell
作者: Devi, B.P.
裴靜偉
Wu, K.C.
Pei, Z.
關鍵字: Surface plasmon
Photocurrent
Polymer solar cell
Gold nanomesh
photovoltaic cells
efficiency
performance
resonance
blends
期刊/報告no:: Solar Energy Materials and Solar Cells, Volume 95, Issue 8, Page(s) 2102-2106.
摘要: In this study, a gold (Au) nanomesh layer was manufactured on an ITO-coated glass substrate at room temperature. The Au nanomesh was used to induce surface plasmon resonance (SPR) to enhance the photocurrent of a polymer solar cell. The Au nanomesh was manufactured by lift-off on closely packed PS nanospheres (diameter similar to 50nm; density similar to 10(10)/cm(2)). The PS nanospheres were fabricated by modified block copolymer nano-patterning on ITO. A transmittance-reflection-absorbance spectrum was used to explore the induced surface plasmon. An extinction peak was observed at similar to 580 nm indicate the possibility of Au nanomesh induced surface plasmon resonance. The short-circuit current density of the polymer solar cell was enhanced from 7.02 to 14.2 mA/cm(2) by the addition of Au nanomesh. Consequently, the power conversion efficiency enhanced from 1.9% to 3.2%. By the normalized input photon-to-current conversion efficiency (IPCE) measurement, enhanced photocurrent conversion efficiency at approximately 580 nm was observed that coincided with the extinction spectrum, indicating that the surface plasmon enhanced the photocurrent. (C) 2011 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/11455/40003
ISSN: 0927-0248
文章連結: http://dx.doi.org/10.1016/j.solmat.2011.02.031
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