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Kamineni VK, Lvov YM, Dobbins TA. Layer-by-layer nanoassembly of polyelectrolytes using formamide as the working medium. Langmuir. 2007;23(14):7423-7doi: 10.1021/la700465n.
Kamineni, V. K., Lvov, Y. M., & Dobbins, T. A. (2007). Layer-by-layer nanoassembly of polyelectrolytes using formamide as the working medium. Langmuir : the ACS journal of surfaces and colloids, 23(14), 7423-7. https://doi.org/10.1021/la700465n
Kamineni, Vimal K, et al. "Layer-by-layer nanoassembly of polyelectrolytes using formamide as the working medium." Langmuir : the ACS journal of surfaces and colloids vol. 23,14 (2007): 7423-7. doi: https://doi.org/10.1021/la700465n
Kamineni VK, Lvov YM, Dobbins TA. Layer-by-layer nanoassembly of polyelectrolytes using formamide as the working medium. Langmuir. 2007 Jul 03;23(14):7423-7. doi: 10.1021/la700465n. Epub 2007 May 31. PMID: 17536845.
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Langmuir. 2007 Jul 03;23(14):7423-7. doi: 10.1021/la700465n. Epub 2007 May 31.

Layer-by-layer nanoassembly of polyelectrolytes using formamide as the working medium.

Langmuir : the ACS journal of surfaces and colloids

Vimal K Kamineni, Yuri M Lvov, Tabbetha A Dobbins

Affiliations

  1. Institute for Micromanufacturing, Louisiana Tech University, Ruston, Louisiana 71272, USA.

PMID: 17536845 DOI: 10.1021/la700465n

Abstract

Formamide, in its pure state, has been used as a working solvent for layer-by-layer (LbL) polyelectrolyte self-assembly. Polystyrene sulfonate (PSS) and polyallylamine hydrochloride (PAH) polyelectrolyte films were deposited onto planar substrates and colloidal particles. Film deposition was confirmed using quartz crystal microbalance and zeta potential measurements. Formamide was used as an alternative to the water-based working solvents commonly used for LbL self-assembly. Few LbL self-assembly studies using nonaqueous solvents have been reported. Most studies performed with nonaqueous solvents have required the addition of small volumes of water to dissolve the polyelectrolytes. Conversely, the high dielectric constant of pure formamide led to the dissolution and transport of PSS and PAH. Using formamide, it is possible to deposit nanometer thick polyelectrolyte films onto water-sensitive surfaces. Formamide can be thus be used for encapsulating water sensitive hydrogen storage materials within polyelectrolyte films.

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