Materials and Technologies

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

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.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 Sol-Gel Coatings for drug delivery and anticorrosion Photothermal solar conversion Environmental monitoring Biomedical Coatings

3. SEM Al Si O Ti SEM Al Si O Ti Bare Au grid Ti electrodeposited Au grid Ti dip-coated Au grid Coating complex geometries Conventional dip coating of TiO2 Electrochemical deposition of TiO2

4. Effect of Potential, [Cu2+] and Precursor -0.5 V -0.6 V [Cu2+]=10 mM [Cu2+]=1 mM SEM images of Cu/TMOS based sol-gel nanocomposites on ITO

5. Au A D D D 50 nm 50 50 50 nm nm nm A. Gold Nanoparticles/Sol-Gel Nanocomposites N-[3-(trimethoxysilyl)propylethylenediamine (EDAS) Au-EDAS (520,0.706) Au-EDAS H2 H+ 7.1±0.5 nm From nanosizer Stainless steel Toledano et al., Chem. Mater. 2010, 22, 3943

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

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

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

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