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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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Plasmonic Transition via Interparticle Coupling of Au@Ag Core-Shell Nanostructures Sheathed in Double Hydrophilic Block Copolymer. for High-Performance Polymer Solar Cell

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Title
Plasmonic Transition via Interparticle Coupling of Au@Ag Core-Shell Nanostructures Sheathed in Double Hydrophilic Block Copolymer. for High-Performance Polymer Solar Cell
Author
Seo, EunyongKo, Seo-JinMin, Sa HoonKim, Jin YoungKim, Byeong-Su
Issue Date
2015-07
Publisher
AMER CHEMICAL SOC
Citation
CHEMISTRY OF MATERIALS, v.27, no.13, pp.4789 - 4798
Abstract
We herein report a facile synthetic method for the preparation of gold-core, silver-shell nanopartides (Au@Ag NPs) with tunable surface plasmon resonance (SPR) using the double hydrophilic block copolymer (DHBC), poly(ethylene oxide)block-poly(acrylic acid) (PEO-b-PAA), as a template (Au@Ag@DHBC NPs), and the utilization of their unique optical properties in polymer solar cells (PSCs). It is demonstrated that two different functionalities of DHBC facilitate the formation of the respective Au-core and Ag-shell NPs. Interestingly, the isolated core shell NPs in solution are found to be transformed into coupled NPs that ultimately exhibit the transition of intrinsic plasmonic properties to a wide range in the visible spectrum. Furthermore, plasmonic Au@Ag@DHBC NPs are effectively integrated into the active layer of PSCs, which remarkably enhance the power conversion efficiency (PCE) up to 9.0% (16% enhancement) because of the strong plasmonic effect of the coupled NPs and the thin polymeric layer surrounding the NPs. This study suggests the widespread potential application of DHBCs as a template for the synthesis of novel core shell nanostructures. We anticipate that this approach will provide new means for creating a variety of plasmonic nanomaterials in various fields of optoelectronic devices
URI
https://scholarworks.unist.ac.kr/handle/201301/16406
URL
http://pubs.acs.org/doi/abs/10.1021/acs.chemmater.5b01591
DOI
10.1021/acs.chemmater.5b01591
ISSN
0897-4756
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PHY_Journal Papers
ECHE_Journal Papers
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