The effect of surface modification of gold nanotriangles for surface-enhanced raman scattering performance was written by Koetz, Joachim. And the article was included in Nanomaterials in 2020.Synthetic Route of C25H46ClN The following contents are mentioned in the article:
A review. A surface modification of ultraflat gold nanotriangles (gold nanotriangles) with different shaped nanoparticles is of special relevance for surface-enhanced Raman scattering (SERS) and the photo-catalytic activity of plasmonic substrates. Therefore, different approaches are used to verify the flat platelet morphol. of the gold nanotriangles by oriented overgrowth with metal nanoparticles. The most important part for the morphol. transformation of the gold nanotriangles is the coating layer, containing surfactants or polymers. By using well established gold nanotriangles stabilized by a dioctyl sodium sulfosuccinate bilayer, different strategies of surface modification with noble metal nanoparticles are possible. On the one hand undulated superstructures were synthesized by in situ growth of hemispherical gold nanoparticles in the polyethyleneimine (PEI)-coated AOT bilayer of the AuNTs. On the other hand spiked gold nanotriangles were obtained by a direct reduction of Au3+ ions in the dioctyl sodium sulfosuccinate double layer in presence of silver ions and ascorbic acid as reducing agent. Addnl., crumble topping of the smooth gold nanotriangles can be realized after an exchange of the dioctyl sodium sulfosuccinate bilayer by hyaluronic acid, followed by a silver-ion mediated reduction with ascorbic acid. Furthermore, a decoration with silver nanoparticles after coating the dioctyl sodium sulfosuccinate bilayer with the cationic surfactant benzylhexadecyldimethylammonium chloride (BDAC) can be realized. In that case the UV-absorption of the undulated Au@Ag nanoplatelets can be tuned depending on the degree of decoration with silver nanoparticles. Comparing the Raman scattering data for the plasmon driven dimerization of 4-nitrothiophenol (4-NTP) to 4,4′-dimercaptoazobenzene (DMAB) one can conclude that the most important effect of surface modification with a 75 times higher enhancement factor in SERS experiments becomes available by decoration with gold spikes. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Synthetic Route of C25H46ClN).
N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Synthetic Route of C25H46ClN
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics