Hexagonal boron nitride(h-BN)is a two-dimensional(2D)layered material with a structure similar to graphite and it has potential as a hydrogen and ammonia storage material.However,dense packing in the standard h-BN str...Hexagonal boron nitride(h-BN)is a two-dimensional(2D)layered material with a structure similar to graphite and it has potential as a hydrogen and ammonia storage material.However,dense packing in the standard h-BN structure limits its surface area and prevents the B and N from being adsorption sites.In this study,the addition of Mg^(2+)during h-BN synthesis facilitated the growth of lattice dislocations and led to a crosslinked three-dimensional(3D)porous structure.A proposed formation mechanism for porous h-BN was confirmed by several characterization routes,most clearly by high-resolution transmission electron microscopy(HRTEM).Porous Mg/BNs exhibited high H_(2)and NH_(3)uptakes and showed potential for H_(2)and NH_(3)storage.展开更多
基金supported by financial support by the Fundamental Research Funds for the Central Universities(No.2412024QD012)the Department of Science and Technology of Jilin Province(No.20220402028GH)+2 种基金the National Natural Science Foundation of China(Nos.22131004 and U21A20330)the“111”project(No.B18012)Christopher Dean(University of Tasmania)proofread an earlier version of the manuscript。
文摘Hexagonal boron nitride(h-BN)is a two-dimensional(2D)layered material with a structure similar to graphite and it has potential as a hydrogen and ammonia storage material.However,dense packing in the standard h-BN structure limits its surface area and prevents the B and N from being adsorption sites.In this study,the addition of Mg^(2+)during h-BN synthesis facilitated the growth of lattice dislocations and led to a crosslinked three-dimensional(3D)porous structure.A proposed formation mechanism for porous h-BN was confirmed by several characterization routes,most clearly by high-resolution transmission electron microscopy(HRTEM).Porous Mg/BNs exhibited high H_(2)and NH_(3)uptakes and showed potential for H_(2)and NH_(3)storage.
