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

BBBao Bui-ThiHanoi National University of Education MNMai Anh NgoHanoi National University of Education DBDao Dang Thi BichHanoi National University of Education

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.

Perguntar à IA

Bookmark

View Full Paper