article · Journal of Materials Chemistry A

Modulating carbon quantum dots using multi-heteroatom doping as a bifunctional electrocatalyst for efficient oxygen and hydrogen evolution reactions in alkaline electrolytes

Nermeen S. Hafez
Mahmoud A. S. Sakr
Aya Khalifa
El‐Zeiny M. Ebeid
Abdelhamid El‐Shaer
Saleh A. Azim
Mohamed B. Zakaria

20258 citationsMisr University for Science and Technology

Abstract

Synthesis of multi-heteroatom doped carbon quantum dots is demonstrated. The obtained Si, N, P-CQDs showed exceptional OER in 1.0M KOH by reaching 10 mA cm −2 at 117 mV with a Tafel slope of 221.2 mV dec −1 and −10 mA cm −2 at 338 mV with 113 mV dec −1 for HER.

Research topics

Electrocatalysts for Energy Conversion
Electrochemical Analysis and Applications
Advanced Photocatalysis Techniques

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DOI: 10.1039/d5ta03457d

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