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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Mandler, Daniel Kraus-Ophir, Shlomit Jerman, Ivan Orel, Boris |
| Copyright Year | 2011 |
| Abstract | The Langmuir–Blodgett (LB) method was used for depositing cubic polyhedral oligomeric silsesquioxanes (T8POSS) onto Au, indium tin oxide (ITO) and mica supports. Three different T8POSS were examined; two were amphiphilic and aggregated upon transfer to a solid support, while the highly symmetric POSS (termed MP8) gave stable and reproducible Langmuir films as studied by surface pressure and transfer ratio measurements. This was attributed to the eight identical alkanethiol groups located on each of the eight corners of the cubic like skeleton. The LB films were studied by RA-FTIR, XPS, contact angle and cyclic voltammetry. These techniques revealed the formation of a permeable, yet, stable layer. The symmetric MP8 was utilized as a bridging building block between the support and Au nanoparticles (Au-NPs). This assembly was examined by means of AFM, SEM and anodic oxidation of the nanoparticles. An average density of 1.45 × 109nanoparticles cm−2 was obtained for the deposited Au-NPs on the MP8 layer. Furthermore, anodic stripping voltammetry was used for studying the extraction of Hg2+ by the MP8 LB film. |
| Starting Page | 8862 |
| Ending Page | 8869 |
| Page Count | 8 |
| File Format | HTM / HTML PDF |
| ISSN | 1744683X |
| Volume Number | 7 |
| Issue Number | 19 |
| Journal | Soft Matter |
| DOI | 10.1039/c1sm05443k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Cyclic voltammetry Thiol Langmuir\u2013Blodgett trough Irving Langmuir Langmuir Blodgett Electrochemical stripping analysis Tin Amphiphile Contact angle Mica |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Condensed Matter Physics |
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