Triangular‐Tessellated Charge Transfer Cocrystals Derived from Melamine with Enhanced Photocatalytic Performance
Source abstract
Abstract
ABSTRACT Charge transfer (CT) cocrystals hold great promise for advanced functional materials, yet controlling their CT interactions in terms of both structural design and precise synthesis remains challenging. Herein, a tessellation‐based strategy to modulate CT strength in melamine‐derived cocrystals is demonstrated, specifically in MMC‐12 (melem:melamine = 1:2) and MMC‐31 (3:1). Transient absorption (TA) spectroscopy and theoretical simulations reveal that MMC‐31 exhibits enhanced CT interactions, facilitating rapid electron transfer from melamine to melem and forming weakly bound CT excitons. These excitons dissociate readily into free carriers, leading to an 18‐fold enhancement in H 2 O 2 production and a 12‐fold enhancement in H 2 evolution compared to pristine melem. This work underscores the potential of geometric tessellation as a general design principle for high‐performance organic semiconductors and photocatalysts.
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Research context
OpenAlex topics: Luminescence and Fluorescent Materials · Perovskite Materials and Applications · Energetic Materials and Combustion
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry Jilin University Changchun P. R. China
Key Laboratory of Surface and Interface Chemistry of Jilin Province College of Chemistry Jilin University Changchun P. R. China
Electron Microscopy Center Jilin University Changchun P. R. China
Jilin Provincial Key Laboratory of Architectural Electricity & Comprehensive Energy Saving School of Electrical and Electronic Information Engineering Jilin Jianzhu University Changchun P. R. China
Funding
National Natural Science Foundation of China · State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University · Jilin Provincial Scientific and Technological Development Program · National Key Research and Development Program of China
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