Hydrogen detection using platinum coated graphene grown on SiC

被引：107
作者：
Chu, Byung Hwan [1 ]
Lo, C. F. [1 ]
Nicolosi, Justin [1 ]
Chang, C. Y. [2 ]
Chen, Victor [1 ]
Strupinski, W. [3 ]
Pearton, S. J. [2 ]
Ren, F. [1 ]
机构：
[1] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA
[2] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
[3] Inst Elect Mat Technol, PL-01919 Warsaw, Poland
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2011年 / 157卷 / 02期
关键词：
Epitaxial graphene; CVD graphene; Hydrogen sensor; Platinum; SiC; ROOM-TEMPERATURE; GAS; VAPOR;
D O I：
10.1016/j.snb.2011.05.007
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The characteristics of hydrogen detection using epitaxial graphene covered with platinum are reported. The multi-layered graphene was grown by chemical vapor deposition (CVD) on a Si-polar 4H-SiC substrate. Surface morphology was characterized by scanning electron and atomic force microscopy. Current-voltage measurements and real-time monitoring of the current flow through the graphene/platinum device were used to confirm the response to hydrogen gas. The background temperature was varied from room temperature to 175 degrees C in order to measure the activation energy of hydrogen detection. Published by Elsevier B.V.
引用
收藏
页码：500 / 503
页数：4
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