Journal
GREEN CHEMISTRY
Volume 20, Issue 3, Pages 664-670Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7gc02231j
Keywords
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Funding
- National Key Research and Development Program of China [2016YFB0701100]
- 111 Project [B13004]
- Fundamental Research Funds for the Central Universities [FRF-TP-16-028A1]
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The search for conjugated polymer photocatalysts for H-2 production under visible light remains a key challenge. Reported herein is a conjugated polymer (i.e., melamine-terephthalaldehyde polymer (PMTPA)) derived from melamine and terephthalaldehyde precursors without an external solvent through a Schiff-base reaction. By adjusting the polymerization temperature, PMTPA with different sample colors and band gaps was obtained, which was further applied as a photocatalyst to investigate its activity in H-2 evolution. A photocatalytic H-2 evolution efficiency up to 58.1 mu mol h(-1) was observed over PMTPA polymerized at 250 degrees C under visible light (lambda > 420 nm), which was about two times as high as that of C3N4. The Schiff-base reaction without external solvent conditions provides a facile strategy for the synthesis of conjugated polymeric semiconductors with better molecular engineering for advanced applications in the fields of catalysis, energy, and environmental remediation.
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