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Efficiency enhancement in bulk-heterojunction solar cells integrated with large area Ag nano-triangle arrays

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Efficiency enhancement in bulk-heterojunction solar cells integrated with large area Ag nano-triangle arrays

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dc.contributor.author Wu, Bo
dc.contributor.author Oo, Than Zaw
dc.contributor.author Li, Xianglin
dc.contributor.author Liu, Xinfeng
dc.contributor.author Wu, Xiangyang
dc.contributor.author Yeow, Edwin Kok Lee
dc.contributor.author Fan, Hong Jin
dc.contributor.author Mathews, Nripan
dc.contributor.author Sum, Tze Chien
dc.date.accessioned 2012-07-04T06:46:26Z
dc.date.available 2012-07-04T06:46:26Z
dc.date.copyright 2012
dc.date.issued 2012-07-04
dc.identifier.citation Wu, B., Oo, T. Z., Li, X., Liu, X., Wu, X., Yeow, E. K. L., et al. (2012). Efficiency enhancement in bulk-heterojunction solar cells integrated with large area Ag nano-triangle arrays. The Journal of Physical Chemistry C, 116(28), 14820-14825.
dc.identifier.uri http://hdl.handle.net/10220/8283
dc.description.abstract Efficiency enhancement in plasmonic bulk heterojunction (PCDTBT:PCBM) organic solar cells (OSCs) is demonstrated with the integration of large area periodic Ag nano-triangle (NT) arrays (that were fabricated using the cost-effective, high throughput nanosphere lithography technique) in the OSC device. The improvements to the power conversion efficiency (from 4.24% to 4.52%) and to the short circuit current density (by ~12%) are attributed to an increase in exciton generation induced by the strong local E-field and the scattering generated by the localized surface plasmon resonance of the hexagonal NT arrays. These findings are validated by a range of steady state and transient optical spectroscopy and correlated with device performance data. Importantly, our work demonstrates the feasibility of integrating a simple cost-effective, tailorable and scalable nanofabrication technique with existing OSC fabrication processes.
dc.format.extent 21 p.
dc.language.iso en
dc.relation.ispartofseries The journal of physical chemistry C
dc.rights © 2012 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by The Journal of Physical Chemistry C, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: DOI [http://dx.doi.org/10.1021/jp303672f].
dc.subject DRNTU::Science::Mathematics.
dc.title Efficiency enhancement in bulk-heterojunction solar cells integrated with large area Ag nano-triangle arrays
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.doi http://dx.doi.org/10.1021/jp303672f
dc.description.version Accepted version

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