title: A nanoporous palladium-nickel alloy with high sensing performance towards hydrogen peroxide and glucose.
abstract: The nanoporous (NP) PdNi alloy is easily fabricated by one-step mild dealloying of PdNiAl precursor alloy in NaOH solution. Characterized by the nanoporous network architecture with the ligament size as small as 5nm, NP-PdNi alloy exhibits higher electrocatalytic activity towards the oxidation of H2O2 and glucose compared with NP-Pd and Pd/C catalysts. The electrochemical sensor constructed based on NP-PdNi alloy shows high sensing performance towards H2O2 and glucose with a wide linear range, long-term stability, and fast amperometric response. Moreover, NP-PdNi alloy exhibits high resistance towards Cl(-) poisoning as well as good anti-interference towards ascorbic acid, urci acid, and dopamine. This work provides a simple and green route to construct highly active and sensitive electrochemical sensor for detecting H2O2 and glucose.
authors.affiliation: Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China.
authors.forename: Dianyun
authors.initials: D
authors.lastname: Zhao
authors.affiliation: Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China. Electronic address: chm_xucx@ujn.edu.cn.
authors.forename: Caixia
authors.initials: C
authors.lastname: Xu
keywords: Electrochemical sensor; Glucose; Hydrogen peroxide; Nanoporous; Palladium