Self-Assembled Microhoneycomb Network of Single-Walled Carbon Nanotubes for Solar Cells
We propose a water vapor treatment to direct the formation of single-walled carbon nanotubes (SWNTs) into a self-assembled microhoneycomb network (μ-HN) for the application to SWNT-Si solar cells. The μ-HN consists of vertical aggregated SWNT walls and a buckypaper bottom. This hierarchical structur...
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| Veröffentlicht in: | The journal of physical chemistry letters 2013-08, Vol.4 (15), p.2571-2576 |
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| container_end_page | 2576 |
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| container_issue | 15 |
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| container_title | The journal of physical chemistry letters |
| container_volume | 4 |
| creator | Cui, Kehang Chiba, Takaaki Omiya, Shuichiro Thurakitseree, Theerapol Zhao, Pei Fujii, Shunjiro Kataura, Hiromichi Einarsson, Erik Chiashi, Shohei Maruyama, Shigeo |
| description | We propose a water vapor treatment to direct the formation of single-walled carbon nanotubes (SWNTs) into a self-assembled microhoneycomb network (μ-HN) for the application to SWNT-Si solar cells. The μ-HN consists of vertical aggregated SWNT walls and a buckypaper bottom. This hierarchical structure exhibits lower sheet resistance and higher optical transmittance compared with buckypaper. The pristine μ-HN SWNT-Si solar cell shows a record-high fill factor of 72% as well as a power conversion efficiency (PCE) of 6% without optimizing the diameter or height of the vertically aligned SWNTs. The PCE remains stable for weeks under ambient condition, and a PCE exceeding 10% is achieved in the dry state after dilute nitric acid treatment. |
| doi_str_mv | 10.1021/jz401242a |
| format | Article |
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Phys. Chem. Lett</addtitle><date>2013-08-01</date><risdate>2013</risdate><volume>4</volume><issue>15</issue><spage>2571</spage><epage>2576</epage><pages>2571-2576</pages><issn>1948-7185</issn><eissn>1948-7185</eissn><abstract>We propose a water vapor treatment to direct the formation of single-walled carbon nanotubes (SWNTs) into a self-assembled microhoneycomb network (μ-HN) for the application to SWNT-Si solar cells. The μ-HN consists of vertical aggregated SWNT walls and a buckypaper bottom. This hierarchical structure exhibits lower sheet resistance and higher optical transmittance compared with buckypaper. The pristine μ-HN SWNT-Si solar cell shows a record-high fill factor of 72% as well as a power conversion efficiency (PCE) of 6% without optimizing the diameter or height of the vertically aligned SWNTs. 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| source | ACS Publications |
| subjects | Energy Conversion and Storage Energy and Charge Transport |
| title | Self-Assembled Microhoneycomb Network of Single-Walled Carbon Nanotubes for Solar Cells |
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