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Dispersed incorporation of functional nanoparticles into ordered mesopores to exert their synergistic properties has shown a promising application, but proved to be a challenging task. Herein, a facile strategy based on solid-phase transformation of the template into polymer-coated carbonaceous nanodots (pCNDs) is used for direct synthesis of multifunctional mesoporous silica nanospheres (MFMSNs)...
Recent studies have demonstrated that carbon nano-onion (CNO) is a promising candidate for high-power supercapacitors due to the nonporous outer shell, which is easily accessible to electrolyte ions. However, the nonporous ion-accessible outer shells also limit the energy density of the CNOs, which requires large specific surface area. Introducing porosity to the outer shells of CNOs can effectively...
Freestanding, two-dimensional (2D), amorphous carbon nanosheets (CNSs) were formed from a preceramic polymer, poly(phenylcarbyne), through laser ablation using a pulsed Nd:YAG laser. CNSs of several nanometers in thickness and micrometers in size were obtained. The polymer-to-carbon transition was investigated at different laser fluences and target-to-substrate distances. Three different phases, amorphous...
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