Effect of feed rate on the production of nitrogen-doped graphene from liquid acetonitrile

被引：18

作者：

Cui, Tongxiang ^{[1
]}

Lv, Ruitao ^{[2
]}

Huang, Zheng-Hong ^{[1
]}

Zhu, Hongwei ^{[3
,4
,5
]}

Kang, Feiyu ^{[1
,6
]}

Wang, Kunlin ^{[3
,4
]}

Wu, Dehai ^{[3
,4
]}

机构：

[1] Tsinghua Univ, Dept Mat Sci & Engn, Adv Mat Lab, Beijing 100084, Peoples R China

[2] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[3] Tsinghua Univ, Minist Educ, Dept Mech Engn, Beijing 100084, Peoples R China

[4] Tsinghua Univ, Minist Educ, Key Lab Adv Mfg Mat Proc Technol, Beijing 100084, Peoples R China

[5] Tsinghua Univ, Ctr Nano & Micro Mech, Beijing 100084, Peoples R China

[6] Tsinghua Univ, Grad Sch Shenzhen, Shenzhen 518055, Guangdong, Peoples R China

来源：

CARBON | 2012年 / 50卷 / 10期

基金：

中国国家自然科学基金;

关键词：

CHEMICAL-VAPOR-DEPOSITION; LARGE-AREA; RAMAN-SPECTROSCOPY; BILAYER GRAPHENE; LAYER GRAPHENE; HIGH-QUALITY; FILMS; ETHANOL; SINGLE; COPPER;

D O I：

10.1016/j.carbon.2012.03.038

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 have investigated the production of nitrogen-doped graphene (NG) from liquid acetonitrile and demonstrated that there is a critical feed rate of acetonitrile for the growth of NG. Graphene sheets could be obtained at feed rate lower than 0.08 mL/min. While at 0.08 mL/mm or above, only polycrystalline carbon films could be obtained. Therefore, selective synthesis of NG or carbon films could be achieved by simply altering the feed rate of acetonitrile, which provides an effective way to control the growth of NG sheets. Furthermore, NG sheets (0.06 mL/min sample) and carbon films (0.08 mL/min sample) exhibit light transmittance of similar to 90% and 70% at 550 nm, and sheet resistance of similar to 1400 and 1000 Omega/sq, respectively, showing their potential applications in carbon-based nanoelectronics. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：3659 / 3665

页数：7

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