My research field or area of interest innanotechnology
Nanomaterials and its applications
 Q. Ahsanulhaq, J.H. Kim, J.S. Lee, and Y.B. Hahn “Electrical and gas sensing properties of ZnO nanorod arrays directly grown on a four-probe electrode system” Electrochemistry Communications 12 (2010) 475–478.  Ahsanulhaq Qurashi, El Maghraby, Toshinari Yamazaki and Toshio Kikuta “Catalyst Supported Growth of In2O3 Nanostructures and Their Hydrogen Gas Sensing” accepted in Sensors and actuators B. 147, 2010, 48-54  Q. Ahsanulhaq and Y.B.Hahn “Biofunctionalization of ZnO Nanorod Arrays by Ang.II” J. Nanosci. Nanotechnol. 10, 4159-4165 (2010)  Ahsanulhaq Qurashi Mohammad Fiaz, Nour Tabet, Toshinari Yamazaki Ultra-fast “Microwave Synthesis of ZnO Nanowires and their Dynamic Response to Hydrogen Gas” Nanoscale research Letters 2009, 4 948.  Q. Ahsanulhaq and Y. B.Hahn “Seedless Pattern Growth of Quasi- Aligned ZnO Nanorod arrays on Glass Cover Slip for biosensor applications” Nanoscale Res Lett (2010) 5:669–674  Ahsanulhaq Qurashi, E.M. El-Maghraby, Toshinari Yamazaki Yanbai Shen, and Toshio Kikuta “A Generic Approach for Controlled Synthesis of In2O3 Nanostructures for Gas Sensing Applications” Journal of Alloys and Compounds 2009 481 L35.  Ahsanulhaq Qurashi, El Maghraby, Toshinari Yamazaki and Toshio Kikuta “Fabrication and Gas Sensing Properties of In2O3 Nanopushpins” Appl. Phys Lett. 95, 153109 (2009) [IV] Published papers (Nanostructures their nanopatterning and device applications)  N. Koteeswara Reddy, M. Devika, Q. Ahsanulhaq, and K. R. Gunasekhar “Growth of Orthorhombic SnS Nanobox Structures on Seeded Substrates” in press Crystal Growth & Design, ACS  Ahsanulhaq Qurashi Zhonghai Zhang Mir. Wakas Alam. “Synthesis and Properties of -Fe2O3 Nanoellipsoids” Solid state Science 12, ( 2010) 1516-1519.  Ahsanulhaq Qurashi, Mohammed Farook Hussain, M. Faiz and N tabet. Mir Wakas Alam “Well Aligned and Hexagonal ZnO Nanorods and Their Dye Sensitized Solar Cell Applications” Jalcom 503, ( 2010) L40-L43.  Mohamed AbuDakka Ahsanulhaq Qurashi, and Mir Wakas Alam Parameswar Hari “Formamide Driven Synthesis of Well-aligned ZnO Nanorod Arrays on Glass Substrate” J. Mater. Sci. and Semi. Proc. 13, ( 2010) 115-118  Q.Ahsanulhaq, J.H.Kim,S.H.Kim, and Y.B.Hahn “Density Controlled Selective Growth of Aligned ZnO Nanorod Arrays by Facile Solution Method” Microstructures and Superlattices 48, (2010), 162-169.  E.M El-Maghraby, Ahsanulhaq Qurashi and T. Yamazaki Synthesis of In2O3 nanostructures: From pyramidal monuments, nanotowers to nanopencils J. Nanosci. Nanotechnol. 10, 4950-4954 (2010).  M.A. Shah, Ahsanulhaq Qurashi “Novel surfactant-free synthesis of MgO nanoflakes” Journal of Alloys and Compounds 2009, 482 548.  Q.Ahsanulhaq, S.H.Kim, J.H. Kim, Y.B.Hahn “A Template-less Surfactant-free Seedless Aqueous Route to Single Crystalline ZnO Nanowires Synthesis”. Journal of Physics and Chemistry of Solids 2009, 70 627.  Q.Ahsanulhaq, J.H.Kim, and, Y.B.Hahn “Hexagonally-Patterned Selective Growth of Well-aligned ZnO Nanorod Arrays” Journal of Alloys and Compounds 2009, 484 17  Ahsanulhaq Qurashi, E.M. El-Maghraby, Toshinari Yamazaki and Toshio Kikuta “Catalyst-Free Shape Controlled Synthesis of In2O3 Pyramids and Octahedron: Structural Properties and Growth Mechanism” Journal of Alloys and Compounds 2009 480 L9.  M. A. Dar, Q. Ahsanulhaq, Y.S. Kim, W. B. Kim and H. S. Shin “Versatile Synthesis of Rectangular Shaped Nanobat-like CuO Nanostructures by Hydrothermal Method; Structural Properties and Growth Mechanism” Journal of Applied surface science 2009 255 6279.  N. Koteeswara Reddy, Q. Ahsanulhaq, J. H. Kim, S. H. Woo, E. -K. Suh, and Y. B. Hahn “Effect of Annealing on the Physical Properties of ZnO Nanorods Grown by Solution Method” Physica E 2009 41 368.  N. Koteeswara Reddy, Q. Ahsanulhaq, and Yoon-Bong Hahn “Temperature-dependent Heterojunction Properties of Well-aligned ZnO nanorods based diodes”App. Phys. Letters 2008, 93 083124 .  N. Koteeswara Reddy, Q. Ahsanulhaq, Jin Hwan Kim, and Yoon-Bong Hahn “High-quality p-n Junction Diodes with Well-aligned ZnO Nanorod structures” Virtual journal of Nanoscale Science and Technology 2008, 17 043127.  Q. Ahsanulhaq, S.H.Kim, J.H. Kim,Y.B.Hahn “Structural Properties and Growth Mechanism of Flower-Like ZnO Nanostructures Obtained by Simple Solution Method”. in Materials Research Bulletin 2008, 43 3483.  N. Koteeswara Reddy, Q. Ahsanulhaq, Jin Hwan Kim, and Yoon-Bong Hahn “High-quality p-n Junction Diodes with Well-aligned ZnO Nanorod structures” Appl. Phys.lett. 2008, 92 043127.  N. Koteeswara Reddy, Q. Ahsanulhaq, J. H. Kim, and Y. B. Hahn “Well-aligned ZnO Nanorods for Device Applications: Synthesis and Characterisation of ZnO Nanorods and n-ZnO/p-Si Heterojunction Diodes” EUROPHYS LETT2008, 81 38001.  N. Koteeswara Reddy, M. Devika., D. Sreekantha Reddy, Q. Ahsanulhaq H. R. Sumana, E. S. R. Gopal, K. R. Gunasekhar, V. Ganesan and Y. B. Hahn, “Synthesis and characterisation of nanocrystalline SnS films grown by thermal evaporation technique”, Journal of Electrochemical Society 2008, 155 H130.  Q.Ahsanulhaq, J.H. Kim, N.K.Reddy, Y.B.Hahn “Rose-like Microspheres and Hexagonal Microdisks of ZnO by a Surfactant-Free Solution Method” Journal Indus.Engg. and Chem. 2008, 14 578.  Q. Ahsanulhaq, J.H. Kim, and Y.B.Hahn “Controlled Selective Growth of ZnO Nanorod Arrays and their Field Emission Properties” Nanotechnology 2007, 18 485307.  N. Koteeswara Reddy, Q. Ahsanulhaq, J. H. Kim and Y. B. Hahn, “Selection of non-alloyed ohmic contacts for ZnO nanostructure based devices”, Nanotechnology 2007, 18 445710.  Q.Ahsanulhaq, A.Umar and Y.B.Hahn, “Growth of aligned ZnO nanorods and nanopencils on ZnO/Si in aqueous solution: growth mechanism and structural and optical properties” Nanotechnology, 2007, 18 115603.
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