Sajjad Haider Naqvi

Dr. Waheed S. Khan

Principal Scientist

Group Leader

Nanobiotechnology Group

Industrial Biotechnology Division

Work Phone: 0092-41-2651475-79/ Ext.293

FaxPhone0092-41-2651472

Cell: 0092-331-5267520

Email:

Academic Qualification

B.Sc.1992, Physics, Maths-A & B, (Govt. Gordon College, RWP) Punjab University Lahore, Pakistan

M.Sc.Physics, 1995, Physics Department, Punjab University, Lahore, Pakistan.

M.Phil.Physics, 2000, Physics Department, Quaid-I-Azam University, Islamabad, Pakistan.

Ph.D. Nanotechnology, 2011, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, P.R. China.

Research Interests

• Synthesis:Chemical Vapour Deposition, Hydrothermal and Solvo-Thermal Techniques
• Materials:Nitrides, Oxides, Chalcogenides, Metals, Binary or Ternary Semiconductor Materials. Magnetic ion doped Semiconductors (i.e DMS), etc
• Nanoscale Novel Structures: Nanowires, nanotubes, nanobelts, nanosheets, nanodisks, nanoplatelets, nanospheres, dandelion and cactus-like nanostrcutres, spherical shaped core shell structures etc
• Characterization Techniques: XRD, SEM, EDS, FESEM, TEM, HRTEM, XPS, Raman, SAED, FTIR etc.
• Properties and Application: Optical Transmission/Absorption/Reflectance;Photoluminescence (PL) emission; Field Emission, Magnetic, gas sensing and Hydrogen storage properties.

Research Publications

1-Waheed S. Khan, Chuanbao Cao, Zulfiqar Ali, Faheem K. Butt, Niaz Ahmad Niaz, M. Tanveer, Ghulam Nabi, “Catalyst-Assisted Growth of Zinc Nitride Nanotowers andTheir Photoluminescence Properties”, Science of Advanced Materials, (American Scientific Publishers), 4 (2012) 1-5.(Impact Factor 3.30)

2-Waheed S. Khan, Chuanbao Cao, Zhou Chen, Ghulam Nabi, “Synthesis, growth mechanism, photoluminescence and field emission properties of metal semiconductor Zn–ZnO core–shell microcactuses”,Materials Chemistry and Physics(Elsevier)124 (2010) 493–498.(Impact Factor 2.353)

3-Waheed S. Khan,Chuanbao Cao, Ghulam Nabi, Ruimin Yao, Sajjad H. Bhatti, “Catalyst-free combined synthesis of Zn/ZnO core/shell hollow microspheres and metallic Zn microparticles by thermal evaporation and condensation route”, Journal of Alloys and Compounds (Elsevier) 506 (2010) 666–672. (Impact Factor 2.134)

4-Waheed S. Khan, Chuanbao Cao, Junyu Zhong, Youyong Liu, M. Azhar Iqbal, “Synthesis of metallic Zn microprisms, their growth mechanism and PL properties”, Materials Letter(Elsevier) 64 (2010) 2273–2276. (Impact Factor 2.117)

5-Waheed S. Khan, Chuanbao Cao, “Synthesis, growth mechanism and optical characterization of zinc nitridehollow structures”, Journal of Crystal Growth(Elsevier) 312 (2010) 1838–1843. (Impact Factor 1.737)

6-Junyu Zhong, Chuanbao Cao, Youyong Liu, Yanan Li, Waheed S. Khan, “Hollow core–shell g-Fe2O3 microspheres with excellent lithium-storage and gas-sensing properties”, Chemical Communication (RSC)46 (2010) 3869–3871.(Impact Factor 5.504)

7-Waheed S. Khan, Chuanbao Cao, Dong Yu Ping, Ghulam Nabi, Sajad Hussain, Faheem K. Butt, Tai Cao, “Optical properties and characterization of zinc nitride nanoneedles prepared from ball-milled Zn powders”, Materials Letter(Elsevier) 65 (2011) 1264–1267.(Impact Factor 2.117)

8-Waheed S. Khan, Chuanbao Cao, Tariq Mahmood, Mashkoor Ahmad, Faheem K. Butt, Zulfiqar Ali, Zahid Usman, FengpingWang, Qurrat ul Ain, “Large-scale synthesis of highly pure Cd metal hexagonal nanosheets” Materials Letter(Elsevier) 65 (2011) 1896-1899.(Impact Factor 2.117)

9-Waheed S Khan, ChuanBao Cao, Faheem K. Butt, Zulfiqar Ali, M. Safdar, Liqing Pan, M. Yasir Rafique, Qurrat ul Ain, Zahid Usman, Ghulam Nabi, “Evolution of Zn based high purity phases under NH3 gas atmosphere and their PL properties” , Applied Surface Science(Elsevier) 257 (2011)7314-7319.(Impact Factor 1.793)

10-Waheed S. Khan,Chuanbao Cao, Zulfiqar Ali, Faheem K. Butt, Niaz Ahmad, Anisullah Baig, Rafiud Din, M. H. Farooq, Fengping Wang, Qurrat ul Ain, Solvo-solid preparation of Zn3N2 hollow structures; their PL yellow emission and hydrogen absorption characteristics. Materials Letter (Elsevier)65 (2011) 2127-2129. (Impact Factor 2.117)

11-Waheed S. Khan, Chuanbao Cao, Zahid Usman, Faheem K. Butt, Zulfiqar Ali, Sajad Hussain,Ghulam Nabi, Tariq Mahmood, “Thermal evaporation and condensation synthesis of metallic Zn layered polyhedralmicroparticles”,Materials Research Bulletin, (Elsevier), 46 (2011) 2261–2265. (Impact Factor 2.13)

12-Waheed S. Khan, C. B. Cao, Faheem K. Butt, Zulfiqar Ali, Ghulam Nabi, Zahid Usman, Tariq Mahmood, Sajad Hussain, M. Tanveer,“High yield preparation of single crystalline Cd metal nanotubes by non-catalytic thermal decomposition route”.Solid State Sciences (Elsevier), 6 (2012) 693-697(Impact Factor 1.828).

13-Sajad Hussain, Chuanbao Cao, Ghulam Nabi, Waheed S. Khan, Zahid Usman, Tariq Mahmood, “Effect of electrodeposition and annealing of ZnO on optical and photovoltaic properties of the p-Cu2O/n-ZnO solar cells”, Electrochimica Acta, (Elsevier) 56 (2011) 8342– 8346.(Impact Factor 3.642)

14-Zahid Usman, Chuanbao Cao, Ghulam Nabi, Dou Yankun, Waheed S. Khan, Tariq Mahmood, Sajad Hussain. First principle electronic, elastic and optical study of cubic gallium nitride. The Journal of Physical Chemistry(ACS)115(2011) 6622-6628.(Impact Factor 2.732)

15-Zahid Usman, Chuanbao Cao,Waheed S. Khan, Tariq Mehmood, Sajad Hussain, Ghulam Nabi, Structural, “Elastic Constant, and Vibrational Properties of Wurtzite Gallium Nitride: A First-Principles Approach”, The Journal of Physical Chemistry A (ACS), 115 (2011) 14502–14509.(Impact Factor 2.732)

16-Zulfiqar Ali, Chuanbao Cao, Waheed S. Khan, Faheem K. Butt, Sajad Hussain, Tariq Mahmood, Ghulam Nabi, Zahid Usman, “Simultaneous growth of ZnSe cactus-like structures and novel microflowers of selenium”, Journal of Alloys and Compounds, (Elsevier), 513 (2012) 620-625.(Impact Factor 2.289)

17-Sajjad Hussain Shah, Waheed S. Khan, Chuanbao Cao, “Fabrication of Cd metal hexagonal semi-hollow microprisms by modified thermal reduction of CdO”, Science of Advanced Materials, (American Scientific Publishers), 4 (2012) 1-4.(Impact Factor 3.30)

18-Ghulam Nabi, Chuanbao Cao, Waheed S. Khan, Sajad Hussain, Zahid Usman, Dapeng Yu, Meina Wang, “Synthesis, characterization, photoluminescence and excellent field emission properties of novel durian-like gallium nitride microstructures”, Materials Chemistry and Physics(Elsevier), 133(2012) 793-798(Impact Factor 2.234)

19-Ghulam Nabi, Chuanbao Cao, Sajad Hussain, Waheed S. Khan, Tariq Mehmood, Zahid Usman, Zulfiqar Ali, Faheem K. Butt, Fu Yan, Li Jili, M. Zubair Iqbal, “Photoluminescence and hydrogen storage properties of gallium nitride hexagonal micro-bricks” Materials Letter (Elsevier)79(2012) 212-215(Impact Factor 2.307)

20-Faheem K. Butt, Chuanbao Cao, Waheed S. Khan, Zulfiqar Ali, Tariq Mahmood, R. Ahmed, Sajad Hussain, Ghulam Nabi, “Fabrication of Novel SnO2 Nanofibers Bundle and their Optical Properties” Materials Chemistry and Physics(Elsevier), (In Press)(Impact Factor 2.234)

21-Sajad Hussain, ChuanbaoCao, Ghulam Nabi, Waheed S. Khan, Zahid Usman, Faheem K. Butt, Zulfiqar Ali, Tariq Mahmood, “Preparation of ZnO Microstructures by Facile Hydrothermal Route, Their PL and PEC Properties ”Current Nanoscience (Bentham Science Publishers), 3 (2012) 414-416 (Impact Factor 1.77)

22-Sajad Hussain, Chuanbao Cao, Zahid Usman, Zhuo Chen, Ghulam Nabi, Waheed S. Khan, Zulfiqar Ali, Faheem K. Butt, Tariq Mahmood, “Fabrication and photovoltaic characteristics of Cu2O/TiO2 thin film heterojunction solar cell” Thin Solid Films(Elsevier),In Press (Impact Factor 1.89).

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