Chemical vapor deposition graphene combined with Pt nanoparticles applied in non-enzymatic sensing of ultralow concentrations of hydrogen peroxide

Abstract

Composites of graphene grown using chemical vapor deposition and Pt nanoparticles (PtNPs/GR) were synthesized without the need to carry out a polymer-assisted transfer and was used to non-enzymatically detect ultralow concentrations of H2O2.

Facile synthesis of a zeolitic imidazolate framework-8 with reduced graphene oxide hybrid material as an efficient electrocatalyst for nonenzymatic H2O2sensing

“…To obtain various nanocomposites with peroxidase-like bioactivity, noble metal-based materials (Pt, Pd, Ag, Au, etc. ), [8][9][10] carbon-based composites, 11,12 metal oxide-based composites (MnO 2 , 13 ZnO, 14 Sn 3 O 4 , 15 etc. ), MOFs, 15,16 etc., have been proposed and constructed to prepare nonenzymatic H 2 O 2 sensors.…”

Electrodes and electrocatalysts for electrochemical hydrogen peroxide sensors: a review of design strategies

“…46 Furthermore, graphene films offer high electrical conductivity and large surface areas, obtained by either assembling reduced graphene oxide (rGO) nanosheets [47][48][49] or direct synthesis by chemical vapor deposition (CVD). 50,51 Carbon nanotubes (CNTs) have been incorporated in rGO films to prevent the stacking of graphene nanosheets, resulting in freestanding rGO-CNT paper electrodes with larger surface areas and good mechanical strength and flexibility (Fig. 3b).…”

Synthesis of Cu2O-Modified Reduced Graphene Oxide for NO2 Sensors

“…The two-dimensional graphene, discovered by Novoselov et al in 2004 [ 8 ], is widely employed as a promising sensing material due to its high specific surface area (2.6 × 10 3 m 2 /g) [ 9 , 10 , 11 , 12 , 13 ], ultra-high room-temperature electron mobility (2.0 × 10 5 cm 2 /Vs), and chemical stability [ 14 , 15 ]. Additionally, graphene can be easily and cost-effectively prepared by a wide range of techniques, such as mechanical peeling [ 8 ], chemical vapor deposition [ 16 , 17 ], silicon carbide (SiC) epitaxial growth [ 18 ], redox method [ 19 ], and other methods. It has been reported that the changes in the external chemical environment result in significant differences in the sensing performance of graphene [ 20 ].…”