期刊论文

Liu, Jinping

英文

ChemElectroChem

2196-0216

2014

1

2

463-470

10.1002/celc.201300013

National Key Basic Research Program of China (973 Program)National Basic Research Program of China [2013CB127804]; Institute for Clean Energy & Advanced Materials (Southwest University, Chongqing, China); Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies (Chongqing, China); Southwest University (Chongqing, China) [SWU111071]; Chongqing Engineering Research Center for Rapid diagnosis of Dread Disease (Chongqing, China); Chongqing development and reform commission (Chongqing, China)

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A potassium tungstate (K0.33WO3) nanosheet film grown directly on a conductive tungsten (W) substrate by a hotplate-heating approach effects direct electron transfer between the W electrode and a biocatalytic protein or microbe, a long-sought effect of both fundamental and practical importance. The K0.33WO3forms into a 5-20nm thick multilayered nanosheet with a number of steps along the surface. A single nanosheet of K0.33WO3is hydrophilic and highly electron conducting (resistivity ∼8.3×10-3Ωcm), characteristic of metallic behaviour. Glucose oxidase (GOD) immobilized on a K0.3...