What question did this study set out to answer?

To investigate the pH-dependent fluorescence switching mechanism and radical scavenging abilities of nitrogen-doped carbon dots.

April 12, 2026Open Access

A new insight of a pH-dependent fluorescence switching mechanism and the novel radical scavenging ability of nitrogen-doped citric acid-based carbon dots

Key Points

To investigate the pH-dependent fluorescence switching mechanism and radical scavenging abilities of nitrogen-doped carbon dots.
Synthesis of nitrogen-doped citric acid-based carbon dots.
Determination of apparent pKa values.
Evaluation of fluorescence switching pKa.
Identification of new insights into pH-dependent fluorescence switching of carbon dots.
Measurement of specific pKa values related to fluorescence switching.

Abstract

Nitrogen-doped citric acid-based carbon dots were synthesized. Their apparent p K a values and a fluorescence switching p K a were determined, providing new insight into the pH-dependent fluorescence switching mechanism of these materials.

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Authors

Bao Bui-Thi

Hanoi National University of Education

Mai Anh Ngo

Hanoi National University of Education

Dao Dang Thi Bich

Hanoi National University of Education

Journals

RSC Advances

Actions

Institutions

Hanoi Medical University

Thuyloi University

Hanoi National University of Education

References and Citations

Connected Papers

Building similarity graph...

Analyzing shared references across papers

A new insight of a pH-dependent fluorescence switching mechanism and the novel radical scavenging ability of nitrogen-doped citric acid-based carbon dots

Key Points

Abstract

Citation Network

Connected Papers

Discussion

Authors

Journals

Actions

Institutions

References and Citations

Citation Network

Connected Papers

Discussion

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