Self-Assembled Microhoneycomb Network of Single-Walled Carbon Nanotubes for Solar Cells

被引：51

作者：

Cui, Kehang ^{[1
]}

Chiba, Takaaki ^{[1
]}

Omiya, Shuichiro ^{[1
]}

Thurakitseree, Theerapol ^{[1
]}

Zhao, Pei ^{[1
]}

Fujii, Shunjiro ^{[2
]}

Kataura, Hiromichi ^{[2
]}

Einarsson, Erik ^{[1
]}

Chiashi, Shohei ^{[1
]}

Maruyama, Shigeo ^{[1
]}

机构：

[1] Univ Tokyo, Dept Mech Engn, Bunkyo Ku, Tokyo 1138656, Japan

[2] Natl Inst Adv Ind Sci & Technol, Nanosyst Res Inst, Tsukuba, Ibaraki 3058562, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2013年 / 4卷 / 15期

关键词：

EFFICIENCY; FILMS; GROWTH; SCALE;

D O I：

10.1021/jz401242a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We propose a water vapor treatment to direct the formation of single-walled carbon nanotubes (SWNTs) into a self-assembled microhoneycomb network (p-HN) for the application to SWNT-Si solar cells. The /4-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 p-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.

引用

页码：2571 / 2576

页数：6

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