Thin-film luminescent solar concentrator based on intramolecular charge transfer fluorophore and effect of polymer matrix on device efficiency

Fahad Mateen; Namcheol Lee; Sae Youn Lee; Syed Taj Ud Din; Woochul Yang; Asif Shahzad; Ashok Kumar Kaliamurthy; Jae Joon Lee; Sung Kyu Hong

doi:10.3390/polym13213770

Thin-film luminescent solar concentrator based on intramolecular charge transfer fluorophore and effect of polymer matrix on device efficiency

Fahad Mateen, Namcheol Lee, Sae Youn Lee, Syed Taj Ud Din, Woochul Yang, Asif Shahzad, Ashok Kumar Kaliamurthy, Jae Joon Lee, Sung Kyu Hong

Dongguk University

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Luminescent solar concentrators (LSCs) provide a transformative approach to integrat-ing photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramolecular charge transfer fluorophore (DACT-II) and discuss the effect of two polymers, poly-methyl methacrylate (PMMA), and poly (benzyl methacrylate) (PBzMA) on the performance of large-area LSCs. As observed experimentally, DACT-II with the charge-donating diphenylaminocar-bazole and charge-accepting triphenyltriazine moieties shows a large Stokes shift and limited re-absorption losses in both polymers. Our results show that thin-film LSC (10 × 10 × 0.3 cm³) with optimized concentration (0.9 wt%) of DACT-II in PBzMA gives better performance than that in the PMMA matrix. In particular, optical conversion efficiency (η_opt) and power-conversion efficiency (η_PCE) of DACT-II/PBzMA LSC are 2.32% and 0.33%, respectively, almost 1.2 times higher than for DACT-II/PMMA LSC.

Original language	English
Article number	3770
Journal	Polymers
Volume	13
Issue number	21
DOIs	https://doi.org/10.3390/polym13213770
State	Published - 1 Nov 2021

Keywords

Intramolecular charge transfer
Light harvesting
Luminescent solar concentrator
Organic fluorophore
Polymer matrix

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10.3390/polym13213770

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title = "Thin-film luminescent solar concentrator based on intramolecular charge transfer fluorophore and effect of polymer matrix on device efficiency",

abstract = "Luminescent solar concentrators (LSCs) provide a transformative approach to integrat-ing photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramolecular charge transfer fluorophore (DACT-II) and discuss the effect of two polymers, poly-methyl methacrylate (PMMA), and poly (benzyl methacrylate) (PBzMA) on the performance of large-area LSCs. As observed experimentally, DACT-II with the charge-donating diphenylaminocar-bazole and charge-accepting triphenyltriazine moieties shows a large Stokes shift and limited re-absorption losses in both polymers. Our results show that thin-film LSC (10 × 10 × 0.3 cm3) with optimized concentration (0.9 wt%) of DACT-II in PBzMA gives better performance than that in the PMMA matrix. In particular, optical conversion efficiency (ηopt) and power-conversion efficiency (ηPCE) of DACT-II/PBzMA LSC are 2.32% and 0.33%, respectively, almost 1.2 times higher than for DACT-II/PMMA LSC.",

keywords = "Intramolecular charge transfer, Light harvesting, Luminescent solar concentrator, Organic fluorophore, Polymer matrix",

author = "Fahad Mateen and Namcheol Lee and Lee, {Sae Youn} and Din, {Syed Taj Ud} and Woochul Yang and Asif Shahzad and Kaliamurthy, {Ashok Kumar} and Lee, {Jae Joon} and Hong, {Sung Kyu}",

note = "Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2021",

month = nov,

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doi = "10.3390/polym13213770",

language = "English",

volume = "13",

journal = "Polymers",

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T1 - Thin-film luminescent solar concentrator based on intramolecular charge transfer fluorophore and effect of polymer matrix on device efficiency

AU - Mateen, Fahad

AU - Lee, Namcheol

AU - Lee, Sae Youn

AU - Din, Syed Taj Ud

AU - Yang, Woochul

AU - Shahzad, Asif

AU - Kaliamurthy, Ashok Kumar

AU - Lee, Jae Joon

AU - Hong, Sung Kyu

PY - 2021/11/1

Y1 - 2021/11/1

N2 - Luminescent solar concentrators (LSCs) provide a transformative approach to integrat-ing photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramolecular charge transfer fluorophore (DACT-II) and discuss the effect of two polymers, poly-methyl methacrylate (PMMA), and poly (benzyl methacrylate) (PBzMA) on the performance of large-area LSCs. As observed experimentally, DACT-II with the charge-donating diphenylaminocar-bazole and charge-accepting triphenyltriazine moieties shows a large Stokes shift and limited re-absorption losses in both polymers. Our results show that thin-film LSC (10 × 10 × 0.3 cm3) with optimized concentration (0.9 wt%) of DACT-II in PBzMA gives better performance than that in the PMMA matrix. In particular, optical conversion efficiency (ηopt) and power-conversion efficiency (ηPCE) of DACT-II/PBzMA LSC are 2.32% and 0.33%, respectively, almost 1.2 times higher than for DACT-II/PMMA LSC.

AB - Luminescent solar concentrators (LSCs) provide a transformative approach to integrat-ing photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramolecular charge transfer fluorophore (DACT-II) and discuss the effect of two polymers, poly-methyl methacrylate (PMMA), and poly (benzyl methacrylate) (PBzMA) on the performance of large-area LSCs. As observed experimentally, DACT-II with the charge-donating diphenylaminocar-bazole and charge-accepting triphenyltriazine moieties shows a large Stokes shift and limited re-absorption losses in both polymers. Our results show that thin-film LSC (10 × 10 × 0.3 cm3) with optimized concentration (0.9 wt%) of DACT-II in PBzMA gives better performance than that in the PMMA matrix. In particular, optical conversion efficiency (ηopt) and power-conversion efficiency (ηPCE) of DACT-II/PBzMA LSC are 2.32% and 0.33%, respectively, almost 1.2 times higher than for DACT-II/PMMA LSC.

KW - Intramolecular charge transfer

KW - Light harvesting

KW - Luminescent solar concentrator

KW - Organic fluorophore

KW - Polymer matrix

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Thin-film luminescent solar concentrator based on intramolecular charge transfer fluorophore and effect of polymer matrix on device efficiency

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Keywords

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