Cu/Mg比对Cu/Mg-MOF-74的CO<sub>2</sub>吸附性能的影响

Cu/Mg比对Cu/Mg-MOF-74的CO₂吸附性能的影响

凌洁, 周安宁, 王文珍, 贾忻宇, 马梦丹

Effect of Cu/Mg Ratio on CO₂ Adsorption Performance of Cu/Mg-MOF-74

LING Jie, ZHOU Anning, WANG Wenzhen, JIA Xinyu, MA Mengdan

表2 不同Cu/Mg比Cu/Mg-MOF-74的孔结构

Table 2 Pore structure of Cu/Mg-MOF-74 according to different Cu/Mg ratios

Parameter		1/0	0.83/0.17	0.8/0.2	0.6/0.4	0.22/0.78	0.1/0.9	0/1
N₂adsorption	V_Total/(cm³·g^-1)^a	0.336	0.332	0.360	0.428	0.492	0.556	0.456
	V_Mic/(cm³·g^-1)^a	0.265	0.257	0.304	0.362	0.438	0.520	0.435
	S_Total/(m²·g^-1)^a	1035	1013	1235	1562	1917	2395	1611
	S_Mic/(m²·g^-1)^a	1020	996	1223	1533	1889	2371	1590
	d₁/ nm^b	0.774	0.769	0.760	0.767	0.763	0.763	0.751
CO₂adsorption	UV_Mic/(cm³·g^-1)^c	0.143	0.027	0.0735	0.181	0.246	0.322	0.129
	US_Mic/(m²·g^-1)^c	796.2	151.9	422.0	1003	1376	1800	714.7
	d₂/nm^b	0.612	0.699	0.681	0.612	0.555	0.539	0.578