Presentation is loading. Please wait.

Presentation is loading. Please wait.

Materials and Technologies Daniel Mandler Institute of Chemistry, The Hebrew University of Jerusalem, Israel 91904 Ford 20.9.2012 Ox Red Daniel Mandler’s.

Similar presentations


Presentation on theme: "Materials and Technologies Daniel Mandler Institute of Chemistry, The Hebrew University of Jerusalem, Israel 91904 Ford 20.9.2012 Ox Red Daniel Mandler’s."— Presentation transcript:

1 Materials and Technologies Daniel Mandler Institute of Chemistry, The Hebrew University of Jerusalem, Israel 91904 Ford 20.9.2012 Ox Red Daniel Mandler’s Lab

2 Daniel Mandler – Institute of Chemistry Electrochemistry and Functionalized Coatings Tel: +972 2 658 5831 Fax: +972 2 658 5319, E-mail: mandler@vms.huji.ac.ilmandler@vms.huji.ac.il http://chem.ch.huji.ac.il/mandler/ Research Activities: Functionalized Coatings – self-assembled monolayers, thin polymeric films, molecularly imprinted polymers Sol-Gel Technology – electrochemical deposition of controllable thin sol-gel films, codeposition of sol-gel and nanomaterials (CNT, nanoparticles, etc) Nanoelectrochemistry – local deposition of nanostructures by scanning electrochemical microscopy Sensing and cleaning – electrochemical (bio) sensors for heavy metals, organics, electrochemical removal of heavy metals. Forensic Science – development of fingerprints by nanomaterials Applications Biomedical Coatings Sol-Gel Coatings for drug delivery and anticorrosion Environmental monitoring Photothermal solar conversion

3 SEMAlSi OTi Conventional dip coating of TiO 2 Electrochemical deposition of TiO 2 SEMAlSi OTi Coating complex geometries Bare Au grid Ti dip-coated Au grid Ti electrodeposited Au grid

4 SEM images of Cu/TMOS based sol-gel nanocomposites on ITO -0.5 V-0.6 V [Cu 2+ ]=10 mM [Cu 2+ ]=1 mM Effect of Potential, [Cu 2+ ] and Precursor

5 A. Gold Nanoparticles/Sol-Gel Nanocomposites Au N-[3-(trimethoxysilyl)propylethylenediamine (EDAS) Au-EDAS Stainless steel H+H+ H2H2 (520,0.706) 7.1±0.5 nm From nanosizer D 50nm D 50nm D 50nm A 50 nm Toledano et al., Chem. Mater. 2010, 22, 3943

6 A)EDAS/Au NPs nanoaomposite on ITO B) Cross-section of A, E dep =-1 V and t dep =10 min Film thickness as a function of deposition potential EDAS/Au NP – Film Deposition

7 Hollow Nanoparticles of Silica Containing Fluorescent Dyes Codeposited with TMOS on Au

8 Stent coated with PEGdiIPTS Okner et al, in preparation II.Electrodeposition of silanated PEG

9 A Different Approach: Electrochemical Deposition of NPs I. Levy et al. Electrochim. Acta, 2010, 55, 8590 Zeta potential as a function of pH for latex nanoparticles solution Electroplating by Nanoparticles


Download ppt "Materials and Technologies Daniel Mandler Institute of Chemistry, The Hebrew University of Jerusalem, Israel 91904 Ford 20.9.2012 Ox Red Daniel Mandler’s."

Similar presentations


Ads by Google