Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells

© 2019 The Royal Society of Chemistry. Light management allows enhancement of light harvesting in organic solar cells (OSCs). In this paper, we describe the investigation of OSCs enhanced by the synergistic effect of gold quantum dots (AuQDs) and localized surface plasmons, obtained by blending a Au...

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Main Authors: Sopit Phetsang, Apichat Phengdaam, Chutiparn Lertvachirapaiboon, Ryousuke Ishikawa, Kazunari Shinbo, Keizo Kato, Pitchaya Mungkornasawakul, Kontad Ounnunkad, Akira Baba
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Published: 2019
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/66617
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-666172019-09-16T13:00:31Z Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells Sopit Phetsang Apichat Phengdaam Chutiparn Lertvachirapaiboon Ryousuke Ishikawa Kazunari Shinbo Keizo Kato Pitchaya Mungkornasawakul Kontad Ounnunkad Akira Baba Chemical Engineering Chemistry Engineering Materials Science Physics and Astronomy © 2019 The Royal Society of Chemistry. Light management allows enhancement of light harvesting in organic solar cells (OSCs). In this paper, we describe the investigation of OSCs enhanced by the synergistic effect of gold quantum dots (AuQDs) and localized surface plasmons, obtained by blending a AuQD layer and plasmonic gold nanoparticles (AuNPs) in a hole-transport layer (HTL). Different AuQDs emitting blue, green, and red fluorescence were examined in this study. The OSCs were demonstrated to comprise an ITO-coated glass substrate/AuQDs/PEDOT:PSS:AuNPs/P3HT:PCBM/Al structure. The UV-visible spectra, current density versus voltage characteristics, impedance spectra, and incident photon-to-current efficiency of the fabricated devices were evaluated. The results showed an enhancement of photovoltaic efficiency achieved as a result of the increase in short-circuit current density (Jsc) and power conversion efficiency (PCE) in comparison with those of the reference OSCs. The best synergistic effect was found with OSCs consisting of a green-emitting AuQD layer and a HTL containing AuNPs, resulting in the highest improvement in PCE of 13.0%. This indicated that the increase in light harvesting in the developed devices was induced by extended light absorption in the UV region resulting from absorption by the AuQD layer and emission of visible fluorescence from the AuQD layer to the photoactive layers. Moreover, the localized surface plasmon effect of AuNPs, which also contributed to an increase in light trapping in the proposed OSCs, was enhanced by the effect of the AuQDs. 2019-09-16T12:49:13Z 2019-09-16T12:49:13Z 2019-01-01 Journal 25160230 2-s2.0-85072053837 10.1039/c8na00119g https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85072053837&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/66617
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Chemical Engineering
Chemistry
Engineering
Materials Science
Physics and Astronomy
spellingShingle Chemical Engineering
Chemistry
Engineering
Materials Science
Physics and Astronomy
Sopit Phetsang
Apichat Phengdaam
Chutiparn Lertvachirapaiboon
Ryousuke Ishikawa
Kazunari Shinbo
Keizo Kato
Pitchaya Mungkornasawakul
Kontad Ounnunkad
Akira Baba
Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
description © 2019 The Royal Society of Chemistry. Light management allows enhancement of light harvesting in organic solar cells (OSCs). In this paper, we describe the investigation of OSCs enhanced by the synergistic effect of gold quantum dots (AuQDs) and localized surface plasmons, obtained by blending a AuQD layer and plasmonic gold nanoparticles (AuNPs) in a hole-transport layer (HTL). Different AuQDs emitting blue, green, and red fluorescence were examined in this study. The OSCs were demonstrated to comprise an ITO-coated glass substrate/AuQDs/PEDOT:PSS:AuNPs/P3HT:PCBM/Al structure. The UV-visible spectra, current density versus voltage characteristics, impedance spectra, and incident photon-to-current efficiency of the fabricated devices were evaluated. The results showed an enhancement of photovoltaic efficiency achieved as a result of the increase in short-circuit current density (Jsc) and power conversion efficiency (PCE) in comparison with those of the reference OSCs. The best synergistic effect was found with OSCs consisting of a green-emitting AuQD layer and a HTL containing AuNPs, resulting in the highest improvement in PCE of 13.0%. This indicated that the increase in light harvesting in the developed devices was induced by extended light absorption in the UV region resulting from absorption by the AuQD layer and emission of visible fluorescence from the AuQD layer to the photoactive layers. Moreover, the localized surface plasmon effect of AuNPs, which also contributed to an increase in light trapping in the proposed OSCs, was enhanced by the effect of the AuQDs.
format Journal
author Sopit Phetsang
Apichat Phengdaam
Chutiparn Lertvachirapaiboon
Ryousuke Ishikawa
Kazunari Shinbo
Keizo Kato
Pitchaya Mungkornasawakul
Kontad Ounnunkad
Akira Baba
author_facet Sopit Phetsang
Apichat Phengdaam
Chutiparn Lertvachirapaiboon
Ryousuke Ishikawa
Kazunari Shinbo
Keizo Kato
Pitchaya Mungkornasawakul
Kontad Ounnunkad
Akira Baba
author_sort Sopit Phetsang
title Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
title_short Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
title_full Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
title_fullStr Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
title_full_unstemmed Investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
title_sort investigation of a gold quantum dot/plasmonic gold nanoparticle system for improvement of organic solar cells
publishDate 2019
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85072053837&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/66617
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