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Highly Ordered Hierarchically Macroporous MIL-125 with High Specific Surface Area for Photocatalytic CO2 Fixation
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2019-12-12 , DOI: 10.1021/acssuschemeng.9b04829
Songhua Wu 1 , Xiaofei Xing 2 , Dan Wang 3 , Jianzheng Zhang 1 , Junmei Chu 2 , Chengcheng Yu 2 , Zhiting Wei 2 , Mingliang Hu 2 , Xin Zhang 2 , Zhenxing Li 2
Affiliation  

Highly ordered hierarchical macroporous metal–organic framework (MOF) materials (macroporous MIL-125) have been successfully synthesized through a solvent evaporation-induced self-assembly route in one step. The obtained macroporous MIL-125 showed an extremely high specific surface area with the Brunauer–Emmett–Teller surface area reaching up to 1083 m2/g. Moreover, macroporous MIL-125 exhibited ordered hierarchical porous structure and excellent ultraviolet absorption ability. At present, atmospheric chemical fixation of CO2 is commonly used as a catalyst for noble metal materials, and few macroporous MOF materials are used for chemical fixation of CO2. Macroporous MIL-125 was used as the photocatalyst for atmospheric chemical fixation of CO2 and showed high cycle stability, good tolerance to substrates, and excellent yields of CO2 carbonylative coupling reactions under ultraviolet irradiation. These finding provides a novel route for chemical fixation of CO2 with photocatalysis through MOF materials.

中文翻译:

具有高比表面积的高阶分层大孔MIL-125,用于光催化CO 2固定

一步法成功地通过溶剂蒸发诱导的自组装途径成功合成了高度有序的分层大孔金属-有机骨架(MOF)材料(大型MIL-125)。所获得的大孔MIL-125的比表面积非常高,布鲁瑙尔-埃米特-泰勒表面积高达1083 m 2 / g。而且,大孔MIL-125表现出有序的分层多孔结构和优异的紫外线吸收能力。目前,常将CO 2的大气化学固定用作贵金属材料的催化剂,并且很少将大孔MOF材料用于CO 2的化学固定。大孔MIL-125用作光催化剂用于大气化学固定CO 2并显示出高的循环稳定性,对基材的良好耐受性以及在紫外线照射下出色的CO 2羰基化偶联反应收率。这些发现为通过MOF材料进行光催化化学固定CO 2提供了一条新途径。
更新日期:2019-12-13
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