Air-stable high-efficiency solar cells with dry-transferred single-walled carbon nanotube films

被引：54

作者：

Cui, Kehang ^{[1
]}

Anisimov, Anton S. ^{[2
]}

Chiba, Takaaki ^{[1
]}

Fujii, Shunjiro ^{[3
]}

Kataura, Hiromichi ^{[3
]}

Nasibulin, Albert G. ^{[4
,5
]}

Chiashi, Shohei ^{[1
]}

Kauppinen, Esko I. ^{[4
]}

Maruyama, Shigeo ^{[1
]}

机构：

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

[2] Canatu Ltd, FI-00390 Helsinki, Finland

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

[4] Aalto Univ Sch Sci, Dept Appl Phys, FI-00076 Aalto, Finland

[5] Skolkovo Inst Sci & Technol, Skolkovo 143025, Moscow Region, Russia

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 29期

关键词：

SILICON; TRANSPARENT; PERFORMANCE; GRAPHENE; OXIDE; SPECTROSCOPY; EVOLUTION;

D O I：

10.1039/c4ta01353k

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：

By using the excellent optical and electrical properties of pristine SWNTs with long bundle lengths, we present single-walled carbon nanotube-silicon (SWNT/Si) solar cells of 11% power conversion efficiency (PCE), prepared without doping. The PCEs of the fabricated solar cells even increased slightly after 10 months of exposure to ambient conditions, without any external protection. The open-circuit voltage of the SWNT/Si solar cells under low light intensities, down to 10 mW cm(-2), demonstrated the characteristics of the ideal p-n junction model. The mechanism was discussed, taking into account the effect of varying the interfacial oxide layer thickness between the SWNTs and Si on the solar cell's performance. The high efficiency and stability demonstrated in this study make SWNT/Si solar cells one of practical choices for next generation energy system.

引用

页码：11311 / 11318

页数：8

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