Implanting Alkali Metal Atoms in        Nanosized Cavities of Metal Oxide        Based Organic-Inorganic HybridsIslah-u-di...
Contents• Introduction and applications of hybrid  materials• Research outline• Experimental work• Results• Future Directi...
Organic-Inorganic Materials                                               Macroscopic                                     ...
Types of Hybrid MaterialsClass-I Hybrid Materials    Class-II Hybrid Materials(Mg,Al)2Si4O10(OH)·4(H2O)   [CH3(CH2)11NH3]S...
ApplicationsNanohybrid solar cell                Protective coatings      C. Sanchez, B. Julián, P. Belleville and M. Popa...
Superconductivity                                 Tc = 78 K before intercalation                                 Tc = 82 K...
Superconductivity                                    WO3 ( Na+)                                    Tc = 125 K for Na+A. E....
Research Outline• Synthesize Crystalline W (or Mo)O3 Hybrids• Intercalation of metal species by Ion-Implantation• Structur...
Hydrothermal Synthesis• Self-assembly• Autogenous Pressure• 120-260 oC• Slow Cooling
Single-Crystal XRD•Rigaku-Spider X-ray diffractometer,Massey University•Cu Kα (λ = 1.5428 Å)•Measurements on same crystalb...
Ion-Implantation•Low energy lab-built ion-implanter, GNS Sciences•Na+, Ca2+ and K+•25 Kev•2% and 4% of atomicsites
WO3(4,4-bipyridyl)0.5WONC
Na+-WO3(4,4-bipyridyl)0.5             Ca2+-WO3(4,4-bipyridyl)0.5 K+-WO3(4,4-bipyridyl)0.5Islah-u-din, M. R. Fox, H. n. ...
WO3(4,4-bipyridyl)0.5 Thick Films•Physical PropertyMeasurements•Modified layer-by-layerdeposition•Characterization before...
Structure of thick films
Raman Measurements         W =O O–W–O           4,4-bipyridyl
X-Ray Photoelectron Spectroscopy
Raman Measurements
Resistivity Measurements
Conclusions• Incorporation of metal ions within small cavities  of host materials• Structural agreement between bulk and t...
Future Directions• Synthezie new layered hybrids with different  ligands• Seek Ion-Implantion• Fabricate thin films• Confi...
Acknowledgement Funding    The Higher Education Commission, Pakistan    The MacDiarmid Institute for Advanced Materials...
Thanks
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14.25 o14 i islah u-din

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Research 16: I Islah-u-din

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14.25 o14 i islah u-din

  1. 1. Implanting Alkali Metal Atoms in Nanosized Cavities of Metal Oxide Based Organic-Inorganic HybridsIslah-u-dinSupervisorsDr Jeff L. Tallon (IRL)Dr Mark R. Waterland(Massey)Dr Shane G. Telfer(Massey)
  2. 2. Contents• Introduction and applications of hybrid materials• Research outline• Experimental work• Results• Future Directions
  3. 3. Organic-Inorganic Materials Macroscopic Phase Micro or nanoscale building blocksA hybrid material is biphasic in nature with organic andinorganic components mixed together at very small scale.
  4. 4. Types of Hybrid MaterialsClass-I Hybrid Materials Class-II Hybrid Materials(Mg,Al)2Si4O10(OH)·4(H2O) [CH3(CH2)11NH3]SnI3
  5. 5. ApplicationsNanohybrid solar cell Protective coatings C. Sanchez, B. Julián, P. Belleville and M. Popall, Journal of Materials Chemistry, 2005, 15, 3559-3592.
  6. 6. Superconductivity Tc = 78 K before intercalation Tc = 82 K after intercalationS.-J. Kwon and J.-H. Choy, Inorg. Chem, 2003, 42, 8134-8136
  7. 7. Superconductivity WO3 ( Na+) Tc = 125 K for Na+A. E. Aliev, Superconductor Science and Technology, 2008, 21, 115022
  8. 8. Research Outline• Synthesize Crystalline W (or Mo)O3 Hybrids• Intercalation of metal species by Ion-Implantation• Structural Characterization Before and After Implantation• Fabrication of Films• Intercalation of metal species by Ion-Implantation• Physical Property Measurement
  9. 9. Hydrothermal Synthesis• Self-assembly• Autogenous Pressure• 120-260 oC• Slow Cooling
  10. 10. Single-Crystal XRD•Rigaku-Spider X-ray diffractometer,Massey University•Cu Kα (λ = 1.5428 Å)•Measurements on same crystalbefore and after implantation
  11. 11. Ion-Implantation•Low energy lab-built ion-implanter, GNS Sciences•Na+, Ca2+ and K+•25 Kev•2% and 4% of atomicsites
  12. 12. WO3(4,4-bipyridyl)0.5WONC
  13. 13. Na+-WO3(4,4-bipyridyl)0.5 Ca2+-WO3(4,4-bipyridyl)0.5 K+-WO3(4,4-bipyridyl)0.5Islah-u-din, M. R. Fox, H. n. Martin, G. J. Gainsford, J. Kennedy, A. Markwitz, S. G. Telfer, G. B. Jameson and J.L. Tallon, Chemical Communications, 46, 4261-4263.
  14. 14. WO3(4,4-bipyridyl)0.5 Thick Films•Physical PropertyMeasurements•Modified layer-by-layerdeposition•Characterization beforeand after implantation
  15. 15. Structure of thick films
  16. 16. Raman Measurements W =O O–W–O 4,4-bipyridyl
  17. 17. X-Ray Photoelectron Spectroscopy
  18. 18. Raman Measurements
  19. 19. Resistivity Measurements
  20. 20. Conclusions• Incorporation of metal ions within small cavities of host materials• Structural agreement between bulk and thick films• Reduced tungsten species• Injection of charge carriers to conduction band upon implantation
  21. 21. Future Directions• Synthezie new layered hybrids with different ligands• Seek Ion-Implantion• Fabricate thin films• Confirm insulator-to-metal transition
  22. 22. Acknowledgement Funding  The Higher Education Commission, Pakistan  The MacDiarmid Institute for Advanced Materials and Nanotechnology Collaborators  Dr Shen V. Chong, Industrial Research Limited  Ms Vivian Fang, GNS Sciences  Prof. Geoffery B. Jamseson, Massey University Supervisors  Dr Jeff L. Tallon, Dr Mark R. Waterland, Dr Shane G. Telfer
  23. 23. Thanks

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