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Author

Park, Soojin
Nano-Functional Materials Lab
Research Interests
  • Block Copolymers, nanostructured materials for Lithium-Ion batteries, wearable and stretchable energy storage applications

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Optically Tunable Plasmonic Two-Dimensional Ag Quantum Dot Arrays for Optimal Light Absorption in Polymer Solar Cells

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Title
Optically Tunable Plasmonic Two-Dimensional Ag Quantum Dot Arrays for Optimal Light Absorption in Polymer Solar Cells
Author
Song, SeyeongHeo, JungwooLee, Tae KyungPark, SoojinWalker, Bright JamesKwak, Sang KyuKim, Jin Young
Issue Date
201708
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF PHYSICAL CHEMISTRY C, v.121, no.33, pp.17569 - 17576
Abstract
The application of localized surface plasmon resonance (LSPR) phenomena is an effective strategy to enhance the performance of polymer solar cells (PSCs) because of their ability to efficiently scatter light and dramatically increase light absorption in the active layer of PSCs. Unlike previous reports investigating LSPR materials in PSCs, we have.approached the LSPR phenomenon from a physical perspective by examining the influence of the surrounding environment LSPR properties. Uniformly ordered two-dimensional 10 nm Ag quantiun dot arrays (2D Ag-QAs) were prepared and utilized in PSCs. The 2D Ag QAs were incoiliorated into-electron transport layers with different. efractive indices, which showed a significant liathochrornic shift as the, refractive index increased and excellent agreement with theoretical calculations taking intrinsic size effects, nonlocal response, and plasmon, coupling effects into account. When incorporated into PSCs, power conversion efficiencies of op to, 8.51% were realized a 12.5% enhancement compared to devices without Ag QAs.
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DOI
http://dx.doi.org/10.1021/acs.jpcc.7b03763
ISSN
1932-7447
Appears in Collections:
ECHE_Journal Papers

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