Heteroatom-Doped Metal-Free Carbon Nanomaterials as Potential Electrocatalysts

In recent years, heteroatom-incorporated specially structured metal-free carbon nanomaterials have drawn huge attention among researchers. In comparison to the undoped carbon nanomaterials, heteroatoms such as nitrogen-, sulphur-, boron-, phosphorous-, etc., incorporated nanomaterials have become well-accepted as potential electrocatalysts in water splitting, supercapacitors and dye-sensitized solar cells. This review puts special emphasis on the most popular synthetic strategies of heteroatom-doped and co-doped metal-free carbon nanomaterials, viz., chemical vapor deposition, pyrolysis, solvothermal process, etc., utilized in last two decades. These specially structured nanomaterials' extensive applications as potential electrocatalysts are taken into consideration in this article. Their comparative enhancement of electrocatalytic performance with incorporation of heteroatoms has also been discussed.

Automated summary

This review focuses on the synthesis strategies of heteroatom-doped and co-doped metal-free carbon nanomaterials, such as chemical vapor deposition, pyrolysis, and solvothermal process, and discusses their extensive applications as potential electrocatalysts. Heteroatom-incorporated nanomaterials, including nitrogen-, sulphur-, boron-, phosphorous-, etc., have shown comparative enhancement of electrocatalytic performance in water splitting, supercapacitors, and dye-sensitized solar cells.