Nanoprecipitation is a routine method to decrease the thermal conductivity for advancing thermoelectric performance. However, the coarsening/Ostwald ripening of precipitates under temperature gradients in long-duration service deteriorates the efficacy of...
Developing functional
porous materials as a platform for the heterogeneous
catalytic oxidation reaction provides a good way to solve the high
environmental issues resulted by traditional oxidation processes in
the industry. This article reported a design and facile synthesis
of N-rich functional porous organic polymers with mesopores such as
Azo-POP-4, Azo-POP-5, and Azo-POP-6 based on the triaminotriphenylazobenzene
subunit for the first time. The nitrogen-rich POPs with the triaminotriphenylazobenzene
subunit was found to remove 85% of copper ions from water within 30
min. The as-synthesized Cu@Azo-POP-4 demonstrated high catalytic reactivity
and selectivity in aerobic C–H bond oxidation to afford the
desired ketones in high yield. In addition, the catalyst could be
reused easily five times without decreasing the reactivity, which
will help to design catalysts reducing environmental pollution and
advance the chemical technology.
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