Deposition, Characterization, and Thin-Film-Based Chemical Sensing of Ultra-long Chemically Synthesized Graphene Nanoribbons

被引：102

作者：

Abbas, Ahmad N. ^{[1
,4
]}

Liu, Gang ^{[1
]}

Narita, Akimitsu ^{[2
]}

Orosco, Manuel ^{[3
]}

Feng, Xinliang ^{[2
]}

Muellen, Klaus ^{[2
]}

Zhou, Chongwu ^{[1
]}

机构：

[1] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA

[2] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[3] Univ So Calif, Alfred E Mann Inst Biomed Engn, Los Angeles, CA 90089 USA

[4] King Abdulaziz Univ, Dept Elect Engn, Jeddah 22254, Saudi Arabia

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2014年 / 136卷 / 21期

基金：

欧洲研究理事会;

关键词：

CARBON; TRANSISTORS; FABRICATION; JUNCTIONS;

D O I：

10.1021/ja502764d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bottom-up synthesis of graphene nanoribbons (GNRs) is an essential step toward utilizing them in electronic and sensing applications due to their defined edge structure and high uniformity. Recently, structurally perfect GNRs with variable lengths and edge structures were created using various chemical synthesis techniques. Nonetheless, issues like GNR deposition, characterization, electronic properties, and applications are not fully explored. Here we report optimized conditions for deposition, characterization, and device fabrication of individual and thin films of ultra-long chemically synthesized GNRs. Moreover, we have demonstrated exceptional NO2 gas sensitivity of the GNR film devices down to parts per billion (ppb) levels. The results lay the foundation for using chemically synthesized GNRs for future electronic and sensing applications.

引用

页码：7555 / 7558

页数：4

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