Fuqiang Chu

Crosslinking Graphene Oxide into Robust 3D Porous N‐Doped Graphene

3D N-doped graphene crosslinked by covalent bonds is fabricated through thermal treatment of graphene oxide with a nitrogen-contained resin. The material possesses a hierarchical porous architecture, robust mechanical stability, and abundant N-doped properties. As an electrode material for supercapacitors, this multifunctional material exhibits an unprecedented specific capacitance, high rate capability, and excellent long-term cycle stability.

In situ synthesis of highly loaded and ultrafine Pd nanoparticles-decorated graphene oxide for glucose biosensor application

Highly loaded and ultrafine Pd nanoparticles were supported on graphene oxide (PdNPs-GO) via an in situ, simple and clean strategy on the basis of the direct redox reaction between Pd(OAc)2 and GO. A highly sensitive biosensor was developed for the detection of glucose based on the electrode modified with PdNPs-electrochemically reduced GO (PdNPs-ERGO). The glucose biosensor shows a wide linear range, low detection limit, good reproducibility and acceptable stability, providing a biocompatible platform for biosensing and biocatalysis.

Rationally Designed 3D Fe and N Codoped Graphene with Superior Electrocatalytic Activity toward Oxygen Reduction

Pyrolyzing Fe- and N-contained precursor together or separately with graphene results in codoped graphene dominated by bonded or separated Fe and N configuration, respectively. While the FeN bonded case greatly enhances activity toward oxygen reduction, the separated one does not. This rationally designed Fe and N codoped 3D graphene exhibits superior electrocatalytic activity than the state-of-the-art Pt/C catalyst.