articleAdvanced MaterialsFeb 13, 2023HYBRID OA

NBOH Site‐Activated Graphene Quantum Dots for Boosting Electrochemical Hydrogen Peroxide Production

MFMengmeng FanZWZeming WangKSKang SunAWAo WangYZYuying Zhao

Nanjing Forestry University · Institute of Chemical Industry of Forest Products · +3 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

Abstract Carbon materials are considered promising 2/4 e − oxygen reduction reaction (ORR) electrocatalysts for synthesizing H 2 O 2 /H 2 O via regulating heteroatom dopants and functionalization. Here, various doped and functionalized graphene quantum dots (GQDs) are designed to reveal the crucial active sites of carbon materials for ORR to produce H 2 O 2 . Density functional theory (DFT) calculations predict that the edge structure involving edge N, B dopant pairs and further OH functionalization to the B (NBOH) is an active center for 2e − ORR. To verify the above predication, GQDs with an enriched density of NBOH (NBO‐GQDs) are designed and synthesized by the hydrothermal reaction of NH 2…

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174
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100%
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Authors

11

Topics & keywords

Topics
Keywords
  • Materials science
  • Graphene
  • Hydrogen peroxide
  • Boosting (machine learning)
  • Electrochemistry
  • Quantum dot
  • Nanotechnology
  • Hydrogen production
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