Publikation: Computational assessment of the potential of cross-catalytic coprecipitating systems for the bottom-up design of nanocomposites
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National Natural Science Foundation of China: 42173083
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The production of nanocomposites is often economically and environmentally costly. Silica-witherite biomorphs, known for producing a wealth of life-like shapes, are nanocomposites entirely formed through self-organization processes. Behind these precipitates are two precipitation reactions that catalyze each other. Using a simple computational approach, we show here that this type of chemical system – defined here as Cross-Catalytic Coprecipitating Systems (CCCSs) – is of great interest to material design. Provided that cross-catalytic effects are sufficient to overcome the precipitation thresholds for each phase, all CCCSs can be expected to self-organize into nanocomposite materials through a one-pot, one-step synthesis protocol. Symmetry-breaking events generating various complex, ordered textures are predicted in CCCSs involving crystalline phases. While high levels of stochasticity lead to a loss of ordering, coprecipitation is found to be robust to diffusion or advection in the solution. This model shows that a couple of chemical reactions can generate a range of complex textures – with possibly distinct physical/chemical properties. Cross-catalytic coprecipitating systems consequently represent a promising avenue for producing nanocomposites with complex textures at reduced economic and environmental costs.
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ROUILLARD, Joti, Britta MAIER, Helmut CÖLFEN, Juan-Manuel GARCÍA-RUIZ, 2023. Computational assessment of the potential of cross-catalytic coprecipitating systems for the bottom-up design of nanocomposites. In: Nanoscale Advances. Royal Society of Chemistry (RSC). 2023, 5(23), pp. 6148-6154. eISSN 2516-0230. Available under: doi: 10.1039/d3na00271cBibTex
@article{Rouillard2023Compu-68209, year={2023}, doi={10.1039/d3na00271c}, title={Computational assessment of the potential of cross-catalytic coprecipitating systems for the bottom-up design of nanocomposites}, number={23}, volume={5}, journal={Nanoscale Advances}, pages={6148--6154}, author={Rouillard, Joti and Maier, Britta and Cölfen, Helmut and García-Ruiz, Juan-Manuel} }
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