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Enhanced solar‐light driven CO2 conversion using Pt‐doped graphitic carbon nitride photocatalyst

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  • Thi Huong Pham
  • Minh Viet Nguyen
  • Thi Thu Hien Chu
  • Sung Hoon Jung
  • Taeyoung Kim

Abstract

The increasing levels of carbon dioxide (CO2) in our atmosphere demand innovative and efficient methods for its reduction. In this context, we present an advanced solar‐driven photocatalyst, Pt‐doped graphitic carbon nitride (Pt/g‐C3N4), specifically engineered for enhanced photoreduction of CO2. Our findings highlight the dual advantage of Pt/g‐C3N4: enhanced visible light absorption and electron‐hole pair dynamics, ensuring efficient carrier separation. Notably, the CO and CH4 yields, when employing Pt/g‐C3N4, surpassed those with the pristine g‐C3N4 catalyst by factors of 3.1 and 4.3, respectively. Moreover, the Pt/g‐C3N4 catalyst exhibited consistent high‐efficiency of CO2 conversion over successive cycles, emphasizing the catalyst's robustness. This work underscores the potential of Pt/g‐C3N4 as a viable tool against escalating CO2 levels, paving the way for a green and sustainable conversion of this predominant greenhouse gas into beneficial chemicals. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.

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  • Thi Huong Pham & Minh Viet Nguyen & Thi Thu Hien Chu & Sung Hoon Jung & Taeyoung Kim, 2024. "Enhanced solar‐light driven CO2 conversion using Pt‐doped graphitic carbon nitride photocatalyst," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 14(1), pages 209-217, February.
    • Handle: RePEc:wly:greenh:v:14:y:2024:i:1:p:209-217
    DOI: 10.1002/ghg.2247
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