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Article Abstract

In this study, we synthesized two new two-dimensional (2D) covalent organic frameworks (COFs), COF-TA and COF-DP, by combining 4-connected -symmetric and 2-connected non-centrosymmetric -symmetric building blocks. Unlike the typical sql topology, these COFs exhibit an unconventional topology characterized by a favorable anti-parallel stacking arrangement, which results in a lower energy configuration. Notably, COF-DP, with its unique D-A-D structural motif and photosensitive properties, demonstrates a narrow band gap and excellent photothermal conversion capabilities, making it a promising material for photothermal imaging applications.

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http://dx.doi.org/10.1039/d3cc04502aDOI Listing

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