I want to grow Fe3O4 on CNTs/CNFs conjugated with pyrenebutyric acid via pi-pi stacking. This is supposed to be a hydrothermal reaction (takes place at 180°C). Would such temperatures undo the stacking between the pyrene and the CNT/CNF?
It is possible that the pi-pi stacking interaction between pyrenebutyric acid and CNTs/CNFs could be affected by the hydrothermal reaction temperature of 180°C. At this temperature, the thermal motion of molecules is increased, which may reduce the strength of non-covalent interactions such as pi-pi stacking. The extent to which the stacking is affected would depend on various factors such as the concentration of the pyrenebutyric acid, the surface area of the CNTs/CNFs, and the duration of the hydrothermal reaction. It is recommended to perform control experiments to assess the impact of the hydrothermal reaction on the pi-pi stacking interaction and to optimize the reaction conditions to ensure the stability of the CNTs/CNFs and the successful growth of Fe3O4 on the surface.
I'm just saying that, can you do some modifications in the reaction system first to modify pyrenic species with Fe3O4 via hydrothermally, followed by making non-covalent functionalization with CNT. I have no idea about your final application of these molecules. I think, may be your suggested experimental conditions may result in covalent functionalization
Hydrothermal reactions typically involve high-pressure and high-temperature conditions, which can cause changes in the properties of the materials involved. Depending on the reaction conditions, the high temperature and pressure could cause pyrene to desorb from the surface of the CNTs/CNFs, disrupting the pi-pi stacking interaction. However, it is possible that the pi-pi stacking interaction could be maintained under these conditions, especially if the reaction is carried out under controlled conditions that minimize the risk of thermal degradation or desorption of the pyrene from the surface of the CNTs/CNFs.
Control the reaction temperature and pressure. Also, that would be helpful if you characterize the product after the reaction.
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