Journal
ACS NANO
Volume 5, Issue 9, Pages 6955-6961Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn201433r
Keywords
graphene; nitric oxide; dielectrophoresis; reduced graphene oxide; highly sensitive
Categories
Funding
- National Natural Science Foundation of China [10974141, 90923003]
- National Basic Research Program of China [2010CB934700]
- National Science Foundation of China [ID 10834004]
- Suzhou Science and Technology Development Plan
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We develop graphene-based devices fabricated by alternating current dielectrophoresis (ac-DEP) for highly sensitive nitric oxide (NO) gas detection. The novel device comprises the sensitive channels of palladium-decorated reduced graphene oxide (Pd-RGO) and the electrodes covered with chemical vapor deposition (CVD)-grown graphene. The highly sensitive, recoverable, and reliable detection of NO gas ranging from 2 to 420 ppb with response time of several hundred.. seconds has been achieved at room temperature. The facile and scalable route for high performance suggests a promising application of graphene devices toward the human exhaled NO and environmental pollutant detections.
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