Pd催化膜的制备及表征任务书
2020-06-09 22:42:04
1. 毕业设计(论文)的内容和要求
膜催化技术是膜过程的一个重要分支,将膜分离与催化反应过程耦合构成催化膜反应器,打破了反应的化学平衡限制,提高了反应的转化率及产品选择性,实现了产物与催化剂的原位分离。
制备出性能优异的催化膜是膜催化技术研究的关键。
课题组前期的研究工作,改善了钯催化膜的催化活性,但是仍达不到悬浮态催化剂的催化活性,因此为了进一步提高钯催化膜的活性,本课题拟采用化学处理法去除包裹在pd纳米颗粒表面的pvp。
2. 参考文献
[1] Ziaei-Azad H, Semagina N. Bimetallic catalysts: Requirements for stabilizing PVP removal depend on the surface composition[J]. Applied Catalysis A General, 2014, 482(482):327-335. [2] Monz#243; J, Koper M T M, Rodriguez P. Cover Picture: Removing Polyvinylpyrrolidone from Catalytic Pt Nanoparticles without Modification of Superficial Order (ChemPhysChem 3/2012)[J]. Chemphyschem A European Journal of Chemical Physics amp; Physical Chemistry, 2012, 13(3):709-15. [3] Blavo S O, Qayyum E, Baldyga L M. Verification of Organic Capping Agent Removal from Supported Colloidal Synthesized Pt Nanoparticle Catalysts[J]. Topics in Catalysis, 2013, 56(18):1835-1842. [4] Xian J, Hua Q, Jiang Z, et al. Size-dependent interaction of the poly(N-vinyl-2-pyrrolidone) capping ligand with Pd nanocrystals.[J]. Langmuir, 2012, 28(17):6736-41. [5] Tsung C K, Kuhn J N, Huang W, et al. Sub-10 nm Platinum Nanocrystals with Size and Shape Control: Catalytic Study for Ethylene and Pyrrole Hydrogenation[J]. Journal of the American Chemical Society, 2009, 131(16):5816-22. [6] Krier J M, Michalak W D, Baker L R, et al. Sum Frequency Generation Vibrational Spectroscopy of Colloidal Platinum Nanoparticle Catalysts: Disordering versus Removal of Organic Capping[J]. J.phys.chem.c, 2012, 116(33):17540-17546. |
3. 毕业设计(论文)进程安排
2016.12.23~2017.01.13 查阅文献,翻译英文文章,撰写开题报告
2017.01.13~2017.03.20 熟悉实验流程
2017.03.21~2017.05.20 实验研究,总结规律,处理实验数据
2017.05.21~2017.06.07 撰写毕业论文