Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer
The sluggish photoelectrochemical performance of <i>p</i>-type dye-sensitized solar cells (<i>p</i>-DSSCs) has hindered its commercial use. In this work, we introduce a novel hierarchical nanocomposite of NiO nanoparticles anchored on highly ordered mesoporous carbons CMK-3 (...
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doaj-74d7b5a3c8f74ccd80106b5beabd69f92020-11-25T02:27:11ZengMDPI AGMolecules1420-30492020-04-01251638163810.3390/molecules25071638Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole TransferJie Qu0Zhaoyang Fan1Hamed Mira2Jianan Wang3Amor M. Abdelkader4Shujiang Ding5College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, ChinaXi′an Key Laboratory of Sustainable Energy Materials Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an 710049, ChinaNuclear Materials Authority, Cairo 11381, EgyptXi′an Key Laboratory of Sustainable Energy Materials Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an 710049, ChinaFaculty of Science and Technology, Bournemouth University, Poole, Dorset BH12 5BB, UKXi′an Key Laboratory of Sustainable Energy Materials Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an 710049, ChinaThe sluggish photoelectrochemical performance of <i>p</i>-type dye-sensitized solar cells (<i>p</i>-DSSCs) has hindered its commercial use. In this work, we introduce a novel hierarchical nanocomposite of NiO nanoparticles anchored on highly ordered mesoporous carbons CMK-3 (NiO/CMK-3). Using CMK-3 as a backbone effectively prevented the self-aggregation of NiO nanoparticles and subsequently increased the total specific surface area of the composite for more dye adsorption. The interconnected conductive networks of CMK-3 also served as a split-flow high-speed channel, which was beneficial for hole spin-flow to accelerate hole transfer. The hierarchical NiO/CMK-3 photocathode improved the photovoltaic conversion efficiency to 1.48% in a cell with a Cobalt(II)/(III) electrolyte and a PMI-6T-TPA dye.https://www.mdpi.com/1420-3049/25/7/1638NiOCMK-3Fast hole transportSolar cell |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jie Qu Zhaoyang Fan Hamed Mira Jianan Wang Amor M. Abdelkader Shujiang Ding |
spellingShingle |
Jie Qu Zhaoyang Fan Hamed Mira Jianan Wang Amor M. Abdelkader Shujiang Ding Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer Molecules NiO CMK-3 Fast hole transport Solar cell |
author_facet |
Jie Qu Zhaoyang Fan Hamed Mira Jianan Wang Amor M. Abdelkader Shujiang Ding |
author_sort |
Jie Qu |
title |
Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer |
title_short |
Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer |
title_full |
Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer |
title_fullStr |
Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer |
title_full_unstemmed |
Hierarchical NiO/CMK-3 Photocathode for a <i>p</i>-Type Dye-Sensitized Solar Cell with Improved Photoelectrochemical Performance and Fast Hole Transfer |
title_sort |
hierarchical nio/cmk-3 photocathode for a <i>p</i>-type dye-sensitized solar cell with improved photoelectrochemical performance and fast hole transfer |
publisher |
MDPI AG |
series |
Molecules |
issn |
1420-3049 |
publishDate |
2020-04-01 |
description |
The sluggish photoelectrochemical performance of <i>p</i>-type dye-sensitized solar cells (<i>p</i>-DSSCs) has hindered its commercial use. In this work, we introduce a novel hierarchical nanocomposite of NiO nanoparticles anchored on highly ordered mesoporous carbons CMK-3 (NiO/CMK-3). Using CMK-3 as a backbone effectively prevented the self-aggregation of NiO nanoparticles and subsequently increased the total specific surface area of the composite for more dye adsorption. The interconnected conductive networks of CMK-3 also served as a split-flow high-speed channel, which was beneficial for hole spin-flow to accelerate hole transfer. The hierarchical NiO/CMK-3 photocathode improved the photovoltaic conversion efficiency to 1.48% in a cell with a Cobalt(II)/(III) electrolyte and a PMI-6T-TPA dye. |
topic |
NiO CMK-3 Fast hole transport Solar cell |
url |
https://www.mdpi.com/1420-3049/25/7/1638 |
work_keys_str_mv |
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