Highly Efficient Indoor Organic Photovoltaics with Spectrally Matched Fluorinated Phenylene-Alkoxybenzothiadiazole-Based Wide Bandgap Polymers

Young Jun You, Chang Eun Song, Quoc Viet Hoang, Yoon Mook Kang, Ji Soo Goo, Doo Hyun Ko, Jae Joon Lee, Won Suk Shin, Jae Won Shim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The unique electro-optical features of organic photovoltaics (OPVs) have led to their use in applications that focus on indoor energy harvesters. Various adoptable photoactive materials with distinct spectral absorption windows offer enormous potential for their use under various indoor light sources. An in-depth study on the performance optimization of indoor OPVs is conducted using various photoactive materials with different spectral absorption ranges. Among the materials, the fluorinated phenylene-alkoxybenzothiadiazole-based wide bandgap polymer—poly[(5,6-bis(2-hexyldecyloxy)benzo[c][1,2,5]thiadiazole-4,7-diyl)-alt-(5,50-(2,5-difluoro-1,4-phenylene)bis(thiophen-2-yl))] (PDTBTBz-2F anti )-contained photoactive layer—exhibits a superior spectrum matching with indoor lights, particularly a light-emitting diode (LED), which results in an excellent power absorption ratio. These optical properties contribute to the state-of-the-art performance of the PDTBTBz-2F anti :[6,6]-phenyl-C 71 butyric acid methyl ester (PC 71 BM)-based OPV with an unprecedented high power-conversion efficiency (PCE) of 23.1% under a 1000 lx LED. Finally, its indoor photovoltaic performance is observed to be better than that of an interdigitated-back-contact-based silicon photovoltaic (PCE of 16.3%).

Original languageEnglish
Article number1901171
JournalAdvanced Functional Materials
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Polymers
Energy gap
Conversion efficiency
Light emitting diodes
polymers
light emitting diodes
Thiadiazoles
absorption spectra
Butyric acid
Harvesters
Butyric Acid
butyric acid
Silicon
luminaires
Light sources
esters
Esters
light sources
Optical properties
optical properties

Keywords

  • equivalent circuit model
  • indoor organic photovoltaics
  • parasitic resistance effects
  • PDTBTBz-2F :PC BM
  • spectrum matching

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Highly Efficient Indoor Organic Photovoltaics with Spectrally Matched Fluorinated Phenylene-Alkoxybenzothiadiazole-Based Wide Bandgap Polymers. / You, Young Jun; Song, Chang Eun; Hoang, Quoc Viet; Kang, Yoon Mook; Goo, Ji Soo; Ko, Doo Hyun; Lee, Jae Joon; Shin, Won Suk; Shim, Jae Won.

In: Advanced Functional Materials, 01.01.2019.

Research output: Contribution to journalArticle

You, Young Jun ; Song, Chang Eun ; Hoang, Quoc Viet ; Kang, Yoon Mook ; Goo, Ji Soo ; Ko, Doo Hyun ; Lee, Jae Joon ; Shin, Won Suk ; Shim, Jae Won. / Highly Efficient Indoor Organic Photovoltaics with Spectrally Matched Fluorinated Phenylene-Alkoxybenzothiadiazole-Based Wide Bandgap Polymers. In: Advanced Functional Materials. 2019.
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abstract = "The unique electro-optical features of organic photovoltaics (OPVs) have led to their use in applications that focus on indoor energy harvesters. Various adoptable photoactive materials with distinct spectral absorption windows offer enormous potential for their use under various indoor light sources. An in-depth study on the performance optimization of indoor OPVs is conducted using various photoactive materials with different spectral absorption ranges. Among the materials, the fluorinated phenylene-alkoxybenzothiadiazole-based wide bandgap polymer—poly[(5,6-bis(2-hexyldecyloxy)benzo[c][1,2,5]thiadiazole-4,7-diyl)-alt-(5,50-(2,5-difluoro-1,4-phenylene)bis(thiophen-2-yl))] (PDTBTBz-2F anti )-contained photoactive layer—exhibits a superior spectrum matching with indoor lights, particularly a light-emitting diode (LED), which results in an excellent power absorption ratio. These optical properties contribute to the state-of-the-art performance of the PDTBTBz-2F anti :[6,6]-phenyl-C 71 butyric acid methyl ester (PC 71 BM)-based OPV with an unprecedented high power-conversion efficiency (PCE) of 23.1{\%} under a 1000 lx LED. Finally, its indoor photovoltaic performance is observed to be better than that of an interdigitated-back-contact-based silicon photovoltaic (PCE of 16.3{\%}).",
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AU - Shim, Jae Won

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