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A one-solution Layer-by-Layer (LbL) method through the assistance of diphenylamine-4-diazonium-formaldehyde resin (DAR) was used to fabricate the ultrathin organic films. In this method, small molecules were mixed with DAR in aqueous or organic solutions and a consecutive deposition of the glass plate into the solution can afford the formation of ultrathin organic films. This method not only reserves...
Complex films of 5,10,15,20-tetrakis(4-N-methylpyridyl)porphine tetra(p-toluenesulfonate) (TMPyP) and deoxyribonucleic acid (DNA) were formed by sequential deposition of TMPyP and DNA from aqueous solution onto quartz substrates. The deposition was monitored by absorption spectroscopy. It revealed that the DNA-TMPyP complex film is uniformly assembled layer-by-layer and the net charge of the dye is...
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