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毕业论文网 > 任务书 > 材料类 > 材料科学与工程 > 正文

多元过渡金属硒化物纳米材料的合成任务书

 2020-06-11 08:06  

1. 毕业设计(论文)的内容和要求

文献综述能够比较详尽地总结多元过渡金属硒化物纳米催化剂的研究进展,包括合成方法、结构组成、纳米形状,以及不同形状、组成的多元过渡金属硒化物纳米晶体对电催化分解水性能的影响。

详细列出实验所用试剂和分析仪器,实验方法具有一定独创性,杜绝简单重复前人的工作,能够独立提出本课题实验设计方案。

并制备出一至两种形状与尺寸均匀的多元过渡金属硒化物纳米催化剂,同时对所制备的纳米结构进行sem、tem、xrd、xps、电化学分析仪结构测试与表征。

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2. 参考文献

[1] Cab#225;n-Acevedo M, Stone M L, Schmidt J R, Thomas J G, Ding Q, Chang H C, Tsai M L, He J H, Jin S. Efficient Hydrogen Evolution Catalysis Using Ternary Pyrite-Type Cobalt Phosphosulphide [J]. Nat Mater. 2015, (14): 1245~1251. [2] Liang H, Gandi A N, Anjum D H, Wang X, Schwingenschlo#776;g U, Alshareef H N. Plasma-Assisted Synthesis of NiCoP for Efficient Overall Water Splitting [J]. Nano Lett. 2016, (16): 7718~7725. [3] Liu D, Lu Q, Luo Y, Sun X, Asiri A M. NiCo2S4 Nanowires Array as an Efficient Bifunctional Electrocatalyst for Full Water Splitting with Superior Activity [J]. Nanoscale. 2015, (7): 15122~15126. [4] Wang K, Zhou C, Xia D, Shi Z, He C, Xia H, Liu G, Qiao G. Component-Controllable Synthesis of Co(SxSe1#8722;x)2 Nanowires Supported by Carbon Fiber Paper as High-Performance Electrode for Hydrogen Evolution Reaction [J]. Nano Energy. 2015, (18): 1~11. [5] Liu T, Asirib A M, Sun X. Electrodeposited Co-doped NiSe2 Nanoparticles Films: A Good Electrocatalyst for Efficient Water Splitting [J]. Nanoscale. 2016, (8): 3911~3915. [6] Gao M R, Liang J X, Zheng Y R, Xu Y F, Jiang J, Gao Q, Li J, Yu S H. An Efficient Molybdenum Disulfide/Cobalt Diselenide Hybrid Catalyst for Electrochemical Hydrogen Generation [J]. Nat Commun. 2015, (6): 5982. [7] Mendoza-Garcia A, Zhu H, Yu Y, Li Q, Zhou L, Su D, Kramer M J, Sun S. Controlled Anisotropic Growth of Co-Fe-P from Co-Fe-O Nanoparticles [J]. Angew Chem Int Ed. 2015, (54): 9642~9645. [8] Tang C, Cheng N, Pu Z, Xing W, Sun X. NiSe Nanowire Film Supported on Nickel Foam: An Efficient and Stable 3D Bifunctional Electrode for Full Water Splitting [J]. Angew Chem Int Ed. 2015, (54): 9351~9355. [9] Wang Z, Li J, Tian X, Wang X, Yu Y, Owusu K A, He L, Mai L. Porous Nickel#8211;Iron Selenide Nanosheets as Highly Efficient Electrocatalysts for Oxygen Evolution Reaction [J]. ACS Appl Mater Interfaces. 2016, (8): 19386~19392. [10] Zhao X, Zhang H, Yan Y, Cao J, Li X, Zhou S, Peng Z, Zeng J. Engineering the Electrical Conductivity of Lamellar Silver-Doped Cobalt(II) Selenide Nanobelts for Enhanced Oxygen Evolution [J]. Angew Chem Int Ed. 2017, (56): 328~332. [11] Zhou W, Wu X J, Cao X, Huang X, Tan C, Tian J, Liu H, Wang J, Zhang H. Ni3S2 Nanorods/Ni Foam Composite Electrode with Low Overpotential for Electrocatalytic Oxygen Evolution [J]. Energy Environ Sci. 2013, (6): 2921~2924. [12] Long X, Li G, Wang Z, Zhu H, Zhang T, Xiao S, Guo W, Yang S. Metallic Iron#8211;Nickel Sulfide Ultrathin Nanosheets As a Highly Active Electrocatalyst for HER in Acidic Media [J]. J Am Chem Soc. 2015, (137): 11900~11903. [13] Feng L L, Yu G, Wu Y, Li G D, Li H, Sun Y, Asefa T, Chen W, Zou X. High-Index Faceted Ni3S2 Nanosheet Arrays as Highly Active and Ultrastable Electrocatalysts for Water Splitting [J]. J Am Chem Soc. 2015, (137): 14023~14026.

3. 毕业设计(论文)进程安排

2017, 2, 20 #8210; 2017, 3, 10:查阅翻译文献,深入理解研究多元过渡金属硒化物纳米材料对于电催化分解水的意义、材料合成方法、物理性质。

撰写本研究方向的文献综述。

2017, 3, 11 #8210; 2017, 5, 31:熟悉并掌握实验仪器设备的使用与操作,掌握水热/溶剂热合成纳米材料的实验方法、溶液配制方法,进行合成实验与产物的分析测试,优化实验条件(温度,配体封盖试剂选取等),选用不同基底材料合成三维结构过渡金属硒化物纳米材料/导电基底一体化的催化材料,并初步进行电催化分解水研究。

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