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May 13, 2026Energy & Fuels

In Situ Loading of NCQDs on TiO 2 via Dual-Role Pyridine-Mediated Spray Flame Synthesis for Enhanced CO 2 Photoreduction

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Authors

JLJing LeiCLC. LiWQWang Qiu

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Overview

Flame spray pyrolysis integrates pyridine to improve CO2 photoreduction in TiO2-NCQDs, enhancing catalyst performance and efficiency.

Key Points

  • This research aims to enhance CO2 photoreduction performance using nitrogen-doped carbon quantum dots on TiO2.
  • Utilized flame spray pyrolysis (FSP) to synthesize NCQDs on TiO2 using pyridine as a dual C/N source.
  • Characterized the resulting heterojunction to evaluate performance in CO2 photoreduction.
  • Analyzed mechanisms related to charge extraction and CO2 activation.
  • The NCQDs/TiO2 heterojunction exhibited improved CO2 photoreduction performance.
  • Incorporation of pyridine led to efficient charge extraction and prolonged carrier lifetime.
  • Enhanced active sites facilitated the activation of CO2 and H2O, promoting effective catalysis.

Cite This Study

Lei et al. (2026) studied this question.

synapsesocial.com/papers/6a03cbbe1c527af8f1ecf8efhttps://doi.org/10.1021/acs.energyfuels.6c00345
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