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Metal-doped carbon dots nanozymes: From structural regulation to enzyme-mimetic mechanisms and applications
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DOI：10.1016/j.dyepig.2026.113739.png)
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Abstract
En 中文
Metal-doped carbon dots (CDs) nanozymes have emerged as a promising class of nanozymes, attracting increasing attention due to their tunable catalytic activities, structural versatility and favorable biocompatibility. By incorporating metal active sites into CDs frameworks, their electronic structures, reaction pathways and reactive oxygen species dynamics can be precisely modulated, enabling them to mimic a wide range of natural redox enzymes. This review systematically summarizes recent advances in the synthesis strategies and structural regulation of metal-doped CDs nanozymes. It discusses the catalytic mechanisms underlying their peroxidaselike, superoxide dismutase-like, oxidase-like and catalase-like activities, with a focus on electron transfer pathways, metal valence cycling and cascade effects. Furthermore, the broad applications in biosensing, disease diagnosis and therapy, antimicrobial and wound healing, as well as energy conversion and environmental remediation are reviewed. Finally, current challenges and future perspectives are outlined, emphasizing the need to elucidate structure-activity relationships, achieve precise metal coordination control, and deepen mechanistic understanding to guide the rational design of high-performance nanozymes.
Keywords:
Metal-doped CDs
Nanozymes
Structural regulation
Catalytic mechanisms
Applications
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4.2
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2.9W
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