張永哲，2009年6月博士畢業於蘭州大學物理系凝聚態物理專業，是一名博士生導師。
個人經歷,個人成就,研究方向,
個人經歷
張永哲教授，博士生導師，2009年6月博士畢業於蘭州大學物理系凝聚態物理專業，隨後在韓國延世大學、新加坡南洋理工大學及華北電力大學從事博士後及教學科研工作。2014年度入選北京市海外高層次人才引進“海聚工程”青年項目及北京市科技新星人才計畫。主要從事光電材料與器件方面的工作，包括光電探測器、太陽能電池、發光二極體及納米雷射器等，研製出超寬光譜回響範圍（從可見光532nm至中紅外10um左右）、超高回響度（8.61A/W）的石墨烯光電探測器，在回響度方面，相比同類工作提高了近3個量級，該工作被Nature Photonics雜誌Highlight,並被USA Today, INOVACAO Tecnologica, NTU News,新加坡聯合早報,中國科學網等幾十家媒體報導。
個人成就
迄今為止，在Nature Communications, Small, Laser Physics Letters, Journal of Power Sources等雜誌上發表論文30餘篇，被引用490多次，申請國際專利2項，中國發明專利1項。主持和以骨幹參加國家高技術研究發展計畫（863計畫）1項、國家自然科學基金3項、北京市科委人才項目1項。
研究方向
新型光電材料生長製備及器件設計套用：
1)新型二維材料的設計、生長及功能化研究
2)二維材料光電轉化器件研究
3)發光器件研究
代表性學術論文:
1. Broadband high photoresponse from pure monolayer graphene photodetector, Nature Communications, 4 (2013) 1811-1822. Highlighted by Nature Photonics.
2. Preparing Patterned Carbonaceous Nanostructures Directly by Overexposure of PMMA Using Electron-Beam Lithography, Nanotechnology, 20 (2009) 135306.
3. Highly Ordered Arrays of Particle-in-Bowl Plasmonic Nanostructures for Surface-Enhanced Raman Scattering, Small, 8 (2012) 2548-2554.
4. A simple method to prepare uniform-size nanoparticle TiO2 electrodes for dye-sensitized solar cells, Journal of Power Sources, 189 (2009) 1256-1263.
5. Electrospraying tuned photoanode structures for dye-sensitized solar cells with enhanced energy conversion efficiency, Journal of Power Sources, 196 (2011) 1639-1644.
6. Thermal Treatment Effect on the TiO2 Nanorods Electrode Prepared by Solvothermal Method for Dye-sensitized Solar Cell: Surface Reconfiguration and Improved Electron Transport, Journal of Power Sources, 255 (2014) 16-23.
7. Improvements to the hierarchically structured ZnO nanospheres based dye-sensitized solar cells, Journal of Physics D: Applied Physics, 42 (2009) 085105.
8. Room temperature enhanced red emission from novel Eu3+ doped ZnO nanocrystals uniformly dispersed in nanofibers, Nanotechnology, 22 (2011) 415702.
9. All-normal-dispersion passively mode-locked Yb-doped fiber ring laser based on graphene oxide saturable absorber, Laser Physics Letters，10 (2013) 075108.
10. Polarization behaviours of twisted carbon nanotube fibers, Journal of Raman Spectroscopy, 43 (2012) 1221-1226.
1. Broadband high photoresponse from pure monolayer graphene photodetector, Nature Communications, 4 (2013) 1811-1822. Highlighted by Nature Photonics.
2. Preparing Patterned Carbonaceous Nanostructures Directly by Overexposure of PMMA Using Electron-Beam Lithography, Nanotechnology, 20 (2009) 135306.
3. Highly Ordered Arrays of Particle-in-Bowl Plasmonic Nanostructures for Surface-Enhanced Raman Scattering, Small, 8 (2012) 2548-2554.
4. A simple method to prepare uniform-size nanoparticle TiO2 electrodes for dye-sensitized solar cells, Journal of Power Sources, 189 (2009) 1256-1263.
5. Electrospraying tuned photoanode structures for dye-sensitized solar cells with enhanced energy conversion efficiency, Journal of Power Sources, 196 (2011) 1639-1644.
6. Thermal Treatment Effect on the TiO2 Nanorods Electrode Prepared by Solvothermal Method for Dye-sensitized Solar Cell: Surface Reconfiguration and Improved Electron Transport, Journal of Power Sources, 255 (2014) 16-23.
7. Improvements to the hierarchically structured ZnO nanospheres based dye-sensitized solar cells, Journal of Physics D: Applied Physics, 42 (2009) 085105.
8. Room temperature enhanced red emission from novel Eu3+ doped ZnO nanocrystals uniformly dispersed in nanofibers, Nanotechnology, 22 (2011) 415702.
9. All-normal-dispersion passively mode-locked Yb-doped fiber ring laser based on graphene oxide saturable absorber, Laser Physics Letters，10 (2013) 075108.
10. Polarization behaviours of twisted carbon nanotube fibers, Journal of Raman Spectroscopy, 43 (2012) 1221-1226.
