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Docking Strategy to Construct Thermostable, Single-crystalline, Hydrogen-bonded Organic Framework with Large Surface Area.

著者 Hisaki I , Suzuki Y , Gomez E , Cohen B , Tohnai N , Douhal A
Angew Chem Int Ed Engl.2018 Jun 09 ; ():.
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Enhancement of thermal and chemical durability and an increase of surface area are two main directions for the construction and improvement of the performance of porous hydrogen-bonded organic frameworks (HOFs). Herein, we propose that a hexaazatriphenylene (HAT) derivative, which possesses six carboxyaryl groups, is a suitable building block for the systematic construction of thermally and chemically durable HOFs with large surface area due to shape-fitted docking between the HAT cores and interpenetrated three-dimensional network. We demonstrate that a HAT derivative with carboxybiphenyl groups (CBPHAT) forms a stable single-crystalline porous HOF (CBPHAT-1a) that possesses protic solvent durability, even for concentrated HCl, heat resistance up to 305 °C, and a high Brunauer-Emmett-Teller surface area [SA(BET)] of 1288 m2 g-1. A single crystal of CBPHAT-1a has anisotropic fluorescence, which suggests that it would be applicable to polarized emitters based on robust functional porous materials.
PMID: 29885200 [PubMed - as supplied by publisher]
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