The influences of additives of NH_3,HCl,KOH and CH_3OH on the solvothermal synthesis of the Zn-based metal-organic frameworks(Zn-MOF_5s)were investigated.Powder X-ray diffraction(PXRD),thermal gravimetric analysis(TGA...The influences of additives of NH_3,HCl,KOH and CH_3OH on the solvothermal synthesis of the Zn-based metal-organic frameworks(Zn-MOF_5s)were investigated.Powder X-ray diffraction(PXRD),thermal gravimetric analysis(TGA),Fourier translation infrared spectroscope(FT-IR),N_2adsorption/desorption at 77 K and CO_2sorption measurements were used to characterize the as-prepared Zn-MOF_5s.The experimental results showthat additives of NH_3,CH_3OH,HCl and KOH in the synthesis of the Zn-MOF_5s do not change the underlying topology,but they are extremely sensitive to the pore textural properties,thus changing the CO_2adsorption capacity.Additives would lower the pore width and the surface area,and then lower the CO_2adsorption capacity of Zn-MOF_5s.展开更多
基金Fujian Province Natural Science Foundation of China(No.2017J01673)
文摘The influences of additives of NH_3,HCl,KOH and CH_3OH on the solvothermal synthesis of the Zn-based metal-organic frameworks(Zn-MOF_5s)were investigated.Powder X-ray diffraction(PXRD),thermal gravimetric analysis(TGA),Fourier translation infrared spectroscope(FT-IR),N_2adsorption/desorption at 77 K and CO_2sorption measurements were used to characterize the as-prepared Zn-MOF_5s.The experimental results showthat additives of NH_3,CH_3OH,HCl and KOH in the synthesis of the Zn-MOF_5s do not change the underlying topology,but they are extremely sensitive to the pore textural properties,thus changing the CO_2adsorption capacity.Additives would lower the pore width and the surface area,and then lower the CO_2adsorption capacity of Zn-MOF_5s.
