A new and environmentally benign precursor for the synthesis of mesoporous g-C3N4 with tunable surface area
文献信息
Jie Xu, Hai-Tao Wu, Xiang Wang, Bing Xue, Yong-Xin Li, Yong Cao
An environmentally benign and widely available precursor, guanidinium chloride, has been employed, for the first time, for the synthesis of mesoporous g-C3N4 materials via a nanocasting method using 12 nm colloid silica as a hard template. A series of mesoporous g-C3N4 (C3N4-G-r) samples with bimodal pore systems (1.8 and 13.4 nm), and high surface areas (146–215 m2 g−1) along with large pore volumes (0.57–0.84 m3 g−1), depending on the amount of templates, have been successfully prepared. Several techniques including X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and CHN elemental analysis have confirmed the formation of graphitic structures and extremely high nitrogen content of the synthesized C3N4-G-r materials. In Friedel–Crafts acylation reaction between hexanoyl chloride and benzene, C3N4-G-r samples, especially C3N4-G-1.0 with a large surface area of 215 m2 g−1, have demonstrated high catalytic conversions, affording a maximum yield of 86% of n-hexanophenone in 4 h at 80 °C.
期刊推荐

Pure and Applied Chemistry

Science Progress

Proceedings of the National Academy of Sciences of the United States of America

Journal of Physics and Chemistry of Solids

Fibre Chemistry

Helvetica Chimica Acta

European Journal of Wood and Wood Products

Journal of Organometallic Chemistry

Science

Journal of Catalysis
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.




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