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Issue 36, 2013
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Layer-by-layer self-assembly and disassembly of single charged inorganic small molecules: towards surface patterning

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Abstract

The patterning of layer-by-layer (LbL) polyelectrolyte multilayers with metal ions is important for the facile fabrication of circuits or selective catalysis. The strategy includes two issues: the incorporation of metal ions and their controlled assembly–disassembly, which require a good understanding of the assembly mechanism. Therefore, we explored the LbL assembly between a polycation, poly-(diallyldimethylammonium chloride) (PDDA) and an inorganic single charged molecule, [AuCl4], which could assemble at pH = 3.7 and disassemble at lower pH values. Moreover, we have demonstrated that the driving force in the assembly is a ligand-to-metal charge transfer interaction. Combining the controlled assembly–disassembly of PDDA–[AuCl4] multilayers and photolithography, we obtained a surface pattern of PDDA–[AuCl4] multilayers.

Graphical abstract: Layer-by-layer self-assembly and disassembly of single charged inorganic small molecules: towards surface patterning

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Supplementary files

Article information


Submitted
26 May 2013
Accepted
11 Jul 2013
First published
16 Jul 2013

Phys. Chem. Chem. Phys., 2013,15, 15172-15176
Article type
Paper

Layer-by-layer self-assembly and disassembly of single charged inorganic small molecules: towards surface patterning

M. Cheng, C. Jiang, Z. Ding, Y. Zhang, Y. Fu and F. Shi, Phys. Chem. Chem. Phys., 2013, 15, 15172
DOI: 10.1039/C3CP52217B

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