High Photoresponsivity in Graphene Nanoribbon Field-Effect Transistor Devices Contacted with Graphene Electrodes

被引：45

作者：

Candini, Andrea ^{[1
]}

Martini, Leonardo ^{[1
,2
]}

Chen, Zongping ^{[3
]}

Mishra, Neeraj ^{[4
]}

Convertino, Domenica ^{[4
,5
]}

Coletti, Camilla ^{[4
,6
]}

Narita, Akimitsu ^{[3
]}

Feng, Xinliang ^{[7
,8
]}

Muellen, Klaus ^{[3
]}

Affronte, Marco ^{[1
,2
]}

机构：

[1] CNR, Ist Nanosci, Ctr S3, Via G Campi 213-A, I-41125 Modena, Italy

[2] Univ Modena & Reggio Emilia, Dipartimento Sci Fis Matemat & Informat, Via G Campi 213-A, I-41125 Modena, Italy

[3] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany

[4] Ist Italiano Tecnol, Ctr Nanotechnol Innovat NEST, Piazza San Silvestro 12, I-56127 Pisa, Italy

[5] Scuola Normale Super Pisa, NEST, Piazza San Silvestro 12, I-56127 Pisa, Italy

[6] Ist Italiano Tecnol, Graphene Labs, Via Morego 30, I-16163 Genoa, Italy

[7] Tech Univ Dresden, Ctr Adv Elect Dresden Cfaed, D-01062 Dresden, Germany

[8] Tech Univ Dresden, Dept Chem & Food Chem, D-01062 Dresden, Germany

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2017年 / 121卷 / 19期

关键词：

CHEMICAL-VAPOR-DEPOSITION; EPITAXIAL GRAPHENE; CARBON NANOTUBES; PHOTODETECTORS; PHOTOTRANSISTORS; HETEROJUNCTIONS; MOS2; GAIN;

D O I：

10.1021/acs.jpcc.7b03401

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：

Ultranarrow graphene nanoribbons (GNRs) with atomically precise structures are considered a promising class of materials for the realization of optoelectronic and photonic devices with improved functionalities. Here we report the optoelectronic characterization of a field-effect transistor device made of a layer of bottom-up synthesized GNRs contacted with multilayer graphene electrodes, showing high photoresponsivity of 5 x 10(5) A/W for small incident power in the visible-UV range. Our results show that combining the properties of intrinsic graphene with that of semiconducting GNRs is a viable route to realize novel devices for optoelectronic and sensing applications.

引用

页码：10620 / 10625

页数：6

共 37 条

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