Ultrafast Interfacial Charge Transfer Drives Photocatalysis in Heterojunctions Between Nitrogen-rich Graphitic Carbon Nitride (g-C3N5) and Amino-Functionalized Carbon Quantum Dots

Pratibha Saini; Arindam Konar; Ahmed Mansour; Desirée Leistenschneider; Marius Hermesdorf; Sarah Jasmin Finkelmeyer; Martin Presselt; Martin Oschatz; Benjamin Dietzek-Ivanšić

doi:10.1039/d5ey00355e

January 1, 2026EES CatalysisOpen Access

Ultrafast Interfacial Charge Transfer Drives Photocatalysis in Heterojunctions Between Nitrogen-rich Graphitic Carbon Nitride (g-C3N5) and Amino-Functionalized Carbon Quantum Dots

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Key Points

The aim focuses on understanding the impact of electronic structure on photocatalytic efficiency in heterojunctions.
Investigation of heterojunctions formed between g-C3N5 and carbon quantum dots.
Analysis of the charge transfer dynamics and electronic properties of the materials.
Assessment of photocatalytic activity under simulated light conditions.
Demonstrated that ultrafast charge transfer occurred at the g-C3N5 and carbon quantum dot interface.
Observed enhanced photocatalytic activity indicating the importance of electronic structure.
Found that nitrogen-rich conditions in g-C3N5 contribute to narrower band gaps and improved electron dynamics.

Implication

Research reveals faster interfacial charge transfer boosts photocatalysis in nitrogen-rich g-C3N5 heterojunctions, suggesting new pathways for sustainable energy.

Abstract

Tailoring the electronic structure of polymeric carbon nitrides is key to advancing sustainable photocatalysis. Nitrogen-rich graphitic carbon nitride (g-C3N5) exhibits a narrower band gap, higher electron density, and stronger basicity...

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Cite This Study

Saini et al. (2026) studied this question.

synapsesocial.com/papers/69fa8eca04f884e66b53120a https://doi.org/10.1039/d5ey00355e

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Ultrafast Interfacial Charge Transfer Drives Photocatalysis in Heterojunctions Between Nitrogen-rich Graphitic Carbon Nitride (g-C3N5) and Amino-Functionalized Carbon Quantum Dots

Key Points

Implication

Abstract

Discussion

Cite This Study

Ultrafast Interfacial Charge Transfer Drives Photocatalysis in Heterojunctions Between Nitrogen-rich Graphitic Carbon Nitride (g-C3N5) and Amino-Functionalized Carbon Quantum Dots

Key Points

Implication

Abstract

Discussion

Cite This Study

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