cluster, respectively. The catalytic performances of compounds 1 and 2 were evaluated for the oxidation of styrene and the oxygen evolution reaction (OER). For the oxidation of styrene, under optimized conditions, compound 2 can achieve a 93.3% conversion in 8 h with a 71.1% selectivity toward styrene oxide, while, for the OER compound 1 exhibited the higher performance, offering a stable current density
                                    两种新的聚氧碳
硼硅酸盐,Na 12 [Cu(en)2(H 2 O)2 ] 5 [H 3(SiOH)2 Si 2 Nb 16 O 54 ] 2 ·52H 2 O(1)和K 4 [Cu(en)2(H 2 O)2 ] 2 [Cu(en)2(H 2 O)] 2 [Cu(en)2 ] [SiNb 18 O 54 ]·16H 2 O(2)(en =
乙二胺),已通过
水热法和溶剂蒸发法的组合方法成功制备。两种化合物都通过IR,PXRD,单晶X射线衍射分析等进行了表征。单晶X射线分析表明,化合物1和2分别包含Dawson样和月牙形簇。评价了化合物1和2的催化性能,用于
苯乙烯的氧化和氧释放反应(OER)。对于
苯乙烯的氧化,在最佳条件下,化合物2在8小时内可实现93.3%的转化率,对
氧化苯乙烯的选择性为71.1%,而对于OER化合物1表现出更高的性能,在基本介质中在533 mV时可提供10 mA cm -2的稳定电流密度。