Abstract
A porous covalent triazine-based organic framework (CTF) containing amide hydrogen-bonding was synthesized using Pigment Orange 71 under Lewis acidic (ZnCl2) conditions at 400 °C. The novel CTF material shows excellent chemical and thermal stability with 10% weight loss temperature up to 465 °C and owns a high surface area (960 m2 g−1) and a total pore volume of 0.48 cm3 g−1. The pore size distribution calculated by the non-local density functional theory shows the single micropores center at about 1.5 nm. The CTF particles have an average size of 374 nm and display excellent size-selective adsorption performance, high anticancer drug Irinotecan (CPT-11) loading (27.9 wt%) capacity and outstanding pH-responsive release.
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