Resume：

2003: PH.D, Institute of semiconductor, Chinese academy of sciences;

2003-08: Post-PH.D, Eindhoven university of science and technology of the Netherlands;

2005-08-2007-08, University of California Santa Babara (UCSB);

2007-08-2010-11, Los Angeles (UCLA), California NanoSystem Institute (CNSI);

2010-11, Researcher, National nano research center;

Research Area：

Growth of semiconductor materials, Physical property, investigation of devices.

 Papers：

2014：　　  

　　1.  Q. S. Wang, M. Safdar, Z. X. Wang, X. Y. Zhan, K. Xu, F. M. Wang and J. He* Topological crystalline insulator Pb (1-x) SnxSe nanowires with {100} facets  Small. doi:10.1002/smll.201403159  

　　2.  F. M. Wang, X. Y. Zhan, Z. Z. Cheng, Z. X. Wang, Q. S. Wang, K. Xu, M. Safdar and J. He*

Tungsten Oxide @ Polypyrrole Core-shell Nanowire Arrays as Novel Negative Electrodes for High-performance Asymmetric Supercapacitors .Small. doi:10.1002/smll.201402340   

　　3.  X. Y. Zhan, Z. X. Wang, F. M. Wang, Z. Z. Cheng, Kai. X, Q. S. Wang, M. Safdar and J. He* 

　　Efficient CoO nanowire array photocatalysts for H₂ generation .Applied Physics Letters. 105,153903 (2014)  

　　4.  Q. S.　Wang, M. Safdar, K. Xu, M. Mirza, Z.X. Wang and J. He*  .Van der Waals Epitaxy and Photoresponse of Hexagonal Tellurium Nanoplates on Flexible Mica Sheets  ACS Nano. 8, 7497-7505 (2014)   

　　5.  K. Xu, F. M. Wang, Z. X. Wang, X. Y. Zhan, Q. S. Wang, Z. Z. Cheng, M. Safdar and J. He* 

    Component-Controllable WS_{2 (1-x)} Se_2x Nanotube for Efficient Hydrogen Evolution Reaction 　

    ACS Nano. 8, 8468-8476(2014)  

　　6.  Z. X. Wang, K. Xu, Y. C. Li, X. Y. Zhan, M. Safdar, Q. S. Wang, F. M. Wang, and J. He* 

Role of Ga Vacancy on a Multilayer GaTe Phototransistor ACS Nano. 8, 4859-4865 (2014) 　  

　　7.  Y. J. Wang, X. Y. Zhan, F. M. Wang, Q．S. Wang, M. Safdar and J. He*  Crystalline ZnO/ZnS_xSe_1-x core-Shell nanowire arrays for efficient visible photoelectrocatalysis . Journal of Materials Chemistry. A. 2, 18413-18419 (2014)   

　　8.  M. Safdar, Q. S. Wang, M. Mirza, Z. X. Wang and J. He*   Crystal Shape Engineering of Topological Crystalline Insulator SnTe Microcrystals and Nanowires with Huge Thermal Activation Energy Gap   Crystal Growth & Design. 14, 2502-2509 (2014) 

　　9.  X. Y. Zhan, Q. S.Wang, F. M. Wang, Y. J. Wang, Z. X. Wang, J. L. Cao, M. Safdar and J. He* 

 Composition-Tuned ZnO/Zn_xCd_1–x Te Core/Shell Nanowires Array with Broad Spectral Absorption from UV to NIR for Hydrogen Generation

　　ACS Applied Materials & Interfaces. 6, 2878-2883 (2014) 　  

　　10.  F.M. Wang, Y.C. Li, Z.Z. Cheng, K. Xu, X.Y. Zhan, Z.X. Wang and J. He* 

    Construction of 3D V₂O₅/hydrogenated-WO₃ nanotrees on tungsten foil for high-performance pseudocapacitors Physical Chemistry Chemical Physics. 16, 12214-12220 (2014)   

　　11.  J. L. Cao, Z. X. Wang, X. Y. Zhan, Q. S. Wang, M. Safdar, Y. J. Wang and J. He* 

Vertical SnSe nanorod arrays: from controlled synthesis and growth mechanism to thermistor and photoresistor Nanotechnology. 25, 105705 (2014)   

　　12.  F. M. Wang, Y. J. Wang, X. Y. Zhan, M. Safdar, J. R. Gong*, and J. He*  Pt nanoparticles and CdS quantum dots assisted WO₃ nanowires grown on flexible carbon fibers for efficient oxygen production CrystEngComm. 16, 1389-1394 (2014)

　　2013： 

　　1.  M. Safdar, Q. S. Wang, M. Mirza, Z. X. Wang, K. Xu, and J. He*  Topological Surface Transport Properties of Single-Crystalline SnTe nanowireNano Letters. 13, 5344-5349 (2013)

　　2.  Q. S. Wang, M. Safdar, Z. X. Wang, and J. He*   Low-Dimensional Te-Based NanostructuresAdvanced Materials. 25, 3915-3921 (2013)

　　3.  Y. J. Wang, Q. S. Wang, X. Y. Zhan, F. M. Wang, M. Safdar and J. He* . Visible light driven type II heterostructures and their enhanced photocatalysis properties: a review. Nanoscale. 5, 8326 (2013)

　　4.  M. Safdar, Z. X. Wang, M. Mirza, F. K. Butt, Y. J. Wang, L. F. Sun* and J. He*. Telluride-based nanorods and nanosheets: synthesis, evolution and propertiesJournal of Materials Chemistry A. 1, 1427 (2013)

　　5.  M. J. Chen, H. Q. Zhou, F. Yu, H. C. Yang, G. Wang, J. He* and L. F. Sun*  Tuning the layer-dependent doping effect of graphenes by C₆₀  Nanoscale. 5, 8359 (2013)

　　6.  F. Yu, H. Q. Zhou, Z. X. Zhang, G. Wang, H. C. Yang, M. J. Chen, L. Tao, D. S. Tang, J. He*, and L. F. Sun*  Controlled Fabrication of Intermolecular Junctions of Single-Walled Carbon Nanotube/Graphene Nanoribbon. Small. 9, 2405-2409 (2013)

　　7.  M. Safdar, X. Y. Zhan, M. T. Niu, M. Mirza, Q. Zhao, Z. X. Wang, J. P. Zhang, L. F. Sun* and J. He*. Site-specific nucleation and controlled growth of a vertical tellurium nanowire array for high performance field emitters. Nanotechnology. 24, 185705 (2013)

　　8.  J. L. Cao, M. Safdar, Z. X. Wang and J. He*   High-performance flexible supercapacitor electrodes based on Te nanowire arrays Journal of Materials Chemistry A. 1, 10024 (2013)

　　9.  Y. J. Wang, F. M. Wang and J. He*   Controlled fabrication and photocatalytic properties of a three-dimensional ZnO nanowire/reduced grapheme oxide/CdS heterostructure on carbon cloth Nanoscale. 5, 11291 (2013)

　　10.  Q. S. Wang, M. Safdar, X. Y. Zhan and J. He*  

Controllable wettability by tailoring one-dimensional tellurium micro–nanostructures

CrystEngComm. 15, 8475-8482 (2013)

　　11.  K. Xu, Z. X. Wang, X. L. Du, M. Safdar, C. Jiang and J. He*   Atomic-layer triangular WSe₂ sheets: synthesis and layer-dependent photoluminescence property. Nanotechnology. 24, 465705 (2013)