A metal-free photoactive nitrogen-doped carbon nanosolenoid with broad absorption in visible region for efficient photocatalysis

Yu Zhou, Xinyu Zhang, Guan Sheng, Shengda Wang, Muqing Chen (), Guilin Zhuang, Yihan Zhu () and Pingwu Du ()
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Yu Zhou: Dongguan University of Technology
Xinyu Zhang: University of Science and Technology of China
Guan Sheng: Zhejiang University of Technology
Shengda Wang: University of Science and Technology of China
Muqing Chen: Dongguan University of Technology
Guilin Zhuang: Zhejiang University of Technology
Yihan Zhu: Zhejiang University of Technology
Pingwu Du: University of Science and Technology of China

Nature Communications, 2023, vol. 14, issue 1, 1-12

Abstract: Abstract Riemann surfaces inspired chemists to design and synthesize such multidimensional curved carbon architectures. It has been predicted that carbon nanosolenoid materials with Riemann surfaces have unique structures and novel physical properties. Here we report the first synthesis of a nitrogen-doped carbon nanosolenoid (N-CNS) using bottom-up approach with a well-defined structure. N-CNS was obtained by a rational Suzuki polymerization, followed by oxidative cyclodehydrogenation. The successful synthesis of N-CNS was fully characterized by GPC, FTIR, solid-state 13C NMR and Raman techniques. The intrinsic single-strand molecular structures of N-CNS helices can be clearly resolved using low-dose integrated differential phase contrast scanning transmission electron microscopy (iDPC-STEM) technique. Possessing unique structural and physical properties, this long π-extended polymer N-CNS can provide new insight towards bottom-up syntheses of curved nanoribbons and potential applications as a metal-free photocatalyst for visible-light-driven H2 evolution and highly efficient photocatalyst for photoredox organic transformations.

Date: 2023
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DOI: 10.1038/s41467-023-41467-4

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