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<p>Degradation of formic acid offers a promising pathway for hydrogen production, serving as a clean energy carrier with significant environmental benefits, given its renewable sourcing from biomass. To harness this sustainable energy source, a novel photocatalyst was developed using chitosan aerogel—a high surface area biobased support—combined with cadmium sulfide (CdS, a potent semiconductor) and platinum nanoparticles (Pt NPs) as the active catalyst. The use of 10 weigth% of CdS and 1 weigth% of Pt NPs supported on chitosan aerogel conducted on the degradation reaction with a high turnover frequency of 550 h<sup>-1</sup> while minimizing the required amount of toxic CdS. Furthermore, employing chitosan aerogel provided significant opportunity to easy recovery of toxic CdS, and Pt as a nobel metal, and obtain higher yield than non-porous chitosan.</p>

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Formic acid’s degradation toward hydrogen generation by nanocomposite of chitosan aerogel modified with platinum/cadmium sulfide nanoparticles

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月17日

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  • Sajjad Keshipour,
  • Salar Ebrahimpour

摘要

Degradation of formic acid offers a promising pathway for hydrogen production, serving as a clean energy carrier with significant environmental benefits, given its renewable sourcing from biomass. To harness this sustainable energy source, a novel photocatalyst was developed using chitosan aerogel—a high surface area biobased support—combined with cadmium sulfide (CdS, a potent semiconductor) and platinum nanoparticles (Pt NPs) as the active catalyst. The use of 10 weigth% of CdS and 1 weigth% of Pt NPs supported on chitosan aerogel conducted on the degradation reaction with a high turnover frequency of 550 h-1 while minimizing the required amount of toxic CdS. Furthermore, employing chitosan aerogel provided significant opportunity to easy recovery of toxic CdS, and Pt as a nobel metal, and obtain higher yield than non-porous chitosan.