2016
DOI: 10.1039/c6tc03648a
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Conductive molecularly doped gold films

Abstract: Organic doping of gold films is a new alternative for adsorption, allowing the entrapmernt of a redox couple and affecting the work function.

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Cited by 3 publications
(3 citation statements)
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“…A glass slide is coated with poly­(diallyldimethylammonium chloride) (PDDA), held by the electrostatic interactions between the positive ammonium moiety of the polymer and the silanol/silanolate (Si-OH/SiO – ) surface groups of the glass; the function of this coating is to attach the Au NPs onto the substrate through electrostatic interactions. Colloidal gold NPs (prepared by the procedure of ref , average particle size 13 nm) are deposited and self-assembled on the coated glass slide to form a sub-monolayer of aggregated Au NPs (Figure b), to be used as a catalytic layer for the electroless deposition of gold. In the next step the QD/SiO 2 NPs were deposited onto the Au NP film by spin-coating (Figure c).…”
Section: Resultsmentioning
confidence: 99%
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“…A glass slide is coated with poly­(diallyldimethylammonium chloride) (PDDA), held by the electrostatic interactions between the positive ammonium moiety of the polymer and the silanol/silanolate (Si-OH/SiO – ) surface groups of the glass; the function of this coating is to attach the Au NPs onto the substrate through electrostatic interactions. Colloidal gold NPs (prepared by the procedure of ref , average particle size 13 nm) are deposited and self-assembled on the coated glass slide to form a sub-monolayer of aggregated Au NPs (Figure b), to be used as a catalytic layer for the electroless deposition of gold. In the next step the QD/SiO 2 NPs were deposited onto the Au NP film by spin-coating (Figure c).…”
Section: Resultsmentioning
confidence: 99%
“…The detailed procedures for the synthesis of QD/SiO 2 NPs are described in the SI. The electroless molecular doping methodology of ref was adapted and modified for the QD/SiO 2 NPs’ entrapment as follows: A catalytic layer of gold NPs was deposited on a PDDA-coated glass slide (Scheme ), rinsed with water, and dried under a nitrogen stream. A 20 μL amount of a 0.12 nmol suspension of CdSe core ( d = 3.8 nm)/CdS shell (thickness ∼15 nm) quantum dots coated with silica (thickness ∼16.5 nm) (QD/SiO 2 NPs) in methanol solution was prepared by the procedure described in ref .…”
Section: Methodsmentioning
confidence: 99%
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