Growing Biomorphic Transition Metal Dichalcogenides and Their Alloys Toward High Permeable Membranes and Efficient Electrocatalysts Applications

查看全文 作　　者：Lijie [1]Zhu;Yahuan [1]Huan;Zhaoqian [2]Zhang;Pengfei [1]Yang;Jingyi [1]Hu;Yuping [1]Shi;Fangfang [1]Cui;Yanfeng [1]Zhang 机构地区：[1]School of Materials Science and Engineering,Peking University,Beijing 100871,China;[2]State Key Laboratory of Separation Membranes and Membrane Process,School of Materials Science and Engineering,Tiangong University,Tianjin 300387,China 出　　处：《Energy & Environmental Materials》索引2023年第6卷第3期,共11页 基　　金：supported by the National Natural Science Foundation of China(Nos.52021006,51925201,51991344,51991340);the National Key Research and Development Program of China(No.2018YFA0703700);the Beijing Natural Science Foundation(No.2192021);the China Postdoctoral Science Foundation(No.2021M690195). 摘　　要：3D architecratured transition metal dichalcogenides constructed by atomically thin layers are appealing building blocks in various applications,such as catalysts,energy storage,conversions,sensors,and so on.However,the direct growth of 3D transition metal dichalcogenides architectures with high crystal quality and well-controlled size/thickness remains a huge challenge.Herein,we report a facile,highly-repeatable,and versatile chemical vapor deposition strategy,for the mass production of high-quality 3D-architecratured transition metal dichalcogenides(e.g.,MoS_(2),WS_(2),and ReS_(2))and their alloys(e.g.,W_(x)Mo(1–x)S_(2)and Rex Mo_((1–x))S_(2))nanosheets on naturally abundant and low-cost diatomite templates.Particularly,the purified transition metal dichalcogenides products exhibit unique and designable 3D biomorphic hierarchical microstructures,controllable layer thicknesses,tailorable chemical compositions,and good crystallinities.The weak interlayer interactions endow them with good dispersity in solutions to form stable additive-free inks for solution-processing-based applications,for example,high-permeable and high-stable separation membranes for water purification,and efficient electrocatalysts for hydrogen evolution reactions.This work paves ways for the low-cost,mass production of versatile transition metal dichalcogenides powder-like materials with designable structures and properties,toward energy/environmental-related applications and beyond. 关 键 词：biomorphic chemical vapor deposition hydrogen evolution reactions separation membranes transition metal dichalcogenides