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Color balanced transparent luminescent solar concentrator based on a polydimethylsiloxane polymer waveguide with coexisting polar and non-polar fluorescent dyesopen access

Authors
Lee, ChanyongCho, HyobeenKo, JongwonKim, SeungkyuKo, YohanPark, SeaeunKang, YoonmookYun, Yong JuJun, Yongseok
Issue Date
26-9월-2022
Publisher
Optica Publishing Group
Citation
OPTICS EXPRESS, v.30, no.20, pp.37085 - 37100
Indexed
SCIE
SCOPUS
Journal Title
OPTICS EXPRESS
Volume
30
Number
20
Start Page
37085
End Page
37100
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/145534
DOI
10.1364/OE.470467
ISSN
1094-4087
Abstract
Color balance is a critical concept in the application of functional transparent poly-mers from a customer's standpoint. In this study, multiple polar and non-polar fluorescent dyes are embedded simultaneously for the first time in a polydimethylsiloxane (PDMS) polymer matrix. Five dyes successfully coexist with the optimum blending ratio. Furthermore, simultaneous dispersing of polar and non-polar dyes in the polymer is achieved. Absorption and photolumines-cence characteristics of multiple fluorescent dyes in PDMS medium are systemically deconvoluted and discussed. The competitive average visible transmittance and color balance of synthesized multi-fluorescent dye embedded PDMS is demonstrated by high color rendering index and CIE color space coordinates close to the white point. Additionally, the luminescent solar concentrator device demonstrates improved power conversion efficiency and light utilization efficiency than the pure PDMS waveguide-based device. Moreover, the long-term storage stability is demonstrated successfully. The findings, therefore, demonstrate the applicability of multi-fluorescent dye embedded PDMS to advanced transparent devices.(c) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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Graduate School of Energy and Environment (KU-KIST GREEN SCHOOL) > Department of Energy and Environment > 1. Journal Articles

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