Witryna1 wrz 2014 · Fig. 1 (a–d) shows various TiSe 2 crystals grown using different transport agents under the same growth conditions, T hot =680 °C, T cold =600 °C, and Δt=24 h. Within such a short reaction time, the effect of the chemical nature of the transport agent at an early stage of growth is highlighted. Isolated bulk crystals were found to form … Witryna30 maj 2024 · The resulting gels not only have network structures including micro-, meso- and macropores, but also show improved chemical stability and strong interactions between CO 2 and pore channels. The gel catalysts show good catalytic activity towards the cycloaddition of epoxides with CO 2 to cyclic carbonates using wet gels.

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