张永哲

张永哲，2009年6月博士毕业于兰州大学物理系凝聚态物理专业，是一名博士生导师。

张永哲教授，博士生导师，2009年6月博士毕业于兰州大学物理系凝聚态物理专业，随后在韩国延世大学、新加坡南洋理工大学及华北电力大学从事博士后及教学科研工作。2014年度入选北京市科技新星人才计划。主要从事光电材料与器件方面的工作，包括光电探测器、太阳能电池、发光二极管及纳米激光器等，研制出超宽光谱响应范围（从可见光532nm至中红外10um左右）、超高响应度（8.61A/W）的石墨烯光电探测器，在响应度方面，相比同类工作提高了近3个量级，该工作被Nature Photonics杂志Highlight,并被USA Today, INOVACAO Tecnologica, NTU News,新加坡联合早报，中国科学网等几十家媒体报道。

迄今为止，在Nature Communications, Small, Laser Physics Letters, Journal of Power Sources等杂志上发表论文30余篇，被引用490多次，申请国际专利2项，中国发明专利1项。主持和以骨干参加国家高技术研究发展计划（863计划）1项、国家自然科学基金3项、北京市科委人才项目1项。^[1]

新型光电材料生长制备及器件设计应用：

1)新型二维材料的设计、生长及功能化研究

2)二维材料光电转化器件研究

3)发光器件研究

代表性学术论文:

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.^[2]