期刊
BIOSENSORS & BIOELECTRONICS
卷 85, 期 -, 页码 669-678出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.05.075
关键词
Gold-palladium nanoalloy; Chemical vapor deposition; Graphene; Nanoporous network; Electrocatalyst; Hydrogen peroxide sensors
类别
资金
- Basic Research Laboratory Program through the Ministry of Science, ICT AMP
- Future Planning [2014R1A4A1008140]
- Korea Research Fellowship Program through the Ministry of Science, ICT AMP
- Future Planning [2015H1D3A1062145]
- Basic Science Research Program through the National Research Foundation (NRF) - Ministry of Education of Korea [2014R1A1A2056213]
- National Research Foundation of Korea [2014R1A4A1008140, 2014R1A1A2056213] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In an effort to develop electrocatalysts associated with effective design, testing, and fabrication, novel porous gold-palladium nanoalloy network-supported graphene (AuPd@GR) nanohybrids were successfully synthesized via electroless deposition followed by a chemical vapor deposition (CVD) method for the first time. The AuPd@GR nanohybrids were obtained as a continuous, porous, transparent, bendable, and ultrathin film with good assembly of the AuPd nanoalloy particles ( <10 nm) within the GR. The AuPd@GR nanohybrids exhibited excellent catalytic activity towards H2O2 detection with a wide detection range (5 mu M-11.5 mM), high sensitivity (186.86 mu A mM(-1) cm(-2)), low limit of detection (1 mu M), fast response (3 s), and long-term working stability (2500 s). Furthermore, the AuPd@GR nanohybrids demonstrated outstanding durability, along with negligible interference from ascorbic acid, dopamine, uric acid, urea, potassium ions, chloride ions, and glucose. These findings open a new pathway to fabricate electrocatalysts for application in high performance electrochemical sensors and bioelectronics. (C) 2016 Elsevier B.V. All rights reserved.
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