1. 毕业设计（论文）的内容和要求

文献综述能够充分完整地总结分支结构的贵金属纳米材料的合成方法、性能、应用前景的研究进展，了解分支纳米结构的组成与形貌对其性能（例如催化与光学性能）的影响。

详细列出实验所用试剂和分析仪器，实验方法具有一定创新性，杜绝重复前人的工作，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分支结构的rh#8210;pd合金纳米材料，同时对所制备的纳米结构进行tem、xrd、sem、xps、icp-ms等结构组成测试与表征。

2. 参考文献

[1] Kang Y, Pyo J B, Ye X, Diaz R E, Gordon T R, Stach E A, Murray, C B. Shape-Controlled Synthesis of Pt Nanocrystals: The Role of Metal Carbonyls [J]. ACS Nano. 2013, (7): 645~653. [2] Ma L, Wang C, Gong M, Liao L, Long R, Wang J, Wu D, Zhong W, Kim M J, Chen Y, Xie Y, Xiong Y. Control Over the Branched Structures of Platinum Nanocrystals for Electrocatalytic Applications [J]. ACS Nano. 2012, (6): 9797~9806. [3] Watt J, Cheong S, Toney M F, Ingham B, Cookson J, Bishop P T, Tilley R D. Ultrafast Growth of Highly Branched Palladium Nanostructures for Catalysis [J]. ACS Nano. 2010, (4): 396~402. [4] Weiner R G, DeSantis C J, Cardoso M B T, Skrabalak S E. Diffusion and Seed Shape: Intertwined Parameters in the Synthesis of Branched Metal Nanostructures [J]. ACS Nano. 2014, (8): 8625~8635. [5] LaGrow A P, Cheong S, Watt J, Ingham B, Toney M F, Jefferson D A, Tilley R D. Can Polymorphism be Used to form Branched Metal Nanostructures?. Adv Mater. 2013, (25): 1552~1556. [6] Zhang L F, Zhong S L, Xu A W. Highly Branched Concave Au/Pd Bimetallic Nanocrystals with Superior Electrocatalytic Activity and Highly Efficient SERS Enhancement [J]. Angew Chem Int Ed. 2013, (52): 645~649. [7] Sun S, Zhang G, Geng D, Chen Y, Li R, Cai M, Sun X. A Highly Durable Platinum Nanocatalyst for Proton Exchange Membrane Fuel Cells: Multiarmed Starlike Nanowire Single Crystal [J]. Angew Chem Int Ed. 2011, (50): 422~426. [8] Guo S, Dong S, Wang E. Three-Dimensional Pt-on-Pd Bimetallic Nanodendrites Supported on Graphene Nanosheet: Facile Synthesis and Used as an Advanced Nanoelectrocatalyst for Methanol Oxidation [J]. ACS Nano. 2010, (4): 547~555. [9] Ye E, Win K Y, Tan H R, Lin M, Teng C P, Mlayah A, Han M Y. Plasmonic Gold Nanocrosses with Multidirectional Excitation and Strong Photothermal Effect [J]. J Am Chem Soc. 2011, (133): 8506~8509. [10] Wang L, Nemoto Y, Yamauchi Y. Direct Synthesis of Spatially-Controlled Pt-on-Pd Bimetallic Nanodendrites with Superior Electrocatalytic Activity [J]. J Am Chem Soc. 2011, (133): 9674~9677. [11] DeSantis C J, Skrabalak S E. Core Values: Elucidating the Role of Seed Structure in the Synthesis of Symmetrically Branched Nanocrystals [J]. J Am Chem Soc. 2013, (135): 10~13. [12] Wang L, Yamauchi Y. Metallic Nanocages: Synthesis of Bimetallic Pt#8211;Pd Hollow Nanoparticles with Dendritic Shells by Selective Chemical Etching [J]. J Am Chem Soc. 2013, (135): 16762~16765. [13] He R, Wang Y C, Wang X, Wang Z, Liu G, Zhou W, Wen L, Li Q, Wang X, Chen X, Zeng J, Hou J G. Facile Synthesis of Pentacle Gold-Copper Alloy Nanocrystals and Their Plasmonic and Catalytic Properties [J]. Nat. Commun. 2014, (5): 4327. [14] Lim B, Jiang M, Camargo P H C, Cho E C, Tao J, Lu X, Zhu Y, Xia Y. Pd-Pt Bimetallic Nanodendrites with High Activity for Oxygen Reduction [J]. Science 2009, (324): 1302~1305. [15] Guo X, Tan Y. Synthesis of Branched Pd Nanocrystals with Tunable Structures, Their Growth Mechanism, and Enhanced Electrocatalytic Properties [J]. Phys Chem Chem Phys. 2015, (17): 31956~31965.

3. 毕业设计（论文）进程安排

2016, 2, 22 #8210; 2016, 3, 10：查阅翻译文献，熟悉研究控制分支结构的贵金属纳米材料的意义、方法，以及分支结构的贵金属纳米材料的性能和应用前景。

撰写本研究方向的文献综述。

2016, 3, 11 #8210; 2016, 5, 31：熟悉并掌握实验仪器设备的使用与操作，了解相关化学试剂的使用方法、化学反应性能、与溶液配制方法，进行合成实验与产物的分析测试，优化实验条件，选用不同条件(温度，表面活性剂等)合成形貌尺度均匀的分支结构rh#8210;pd合金纳米材料并对解释生长机理。