Growth Confined by the Nitrogen Source: Synthesis of Pure Metal Nitride Nanoparticles in Mesoporous Graphitic Carbon Nitride

摘要

The synthesis of materials in nanometer-sized confinements, or "nanoreactors", is a suitable method for the preparation of nanoparticles. As "soft" organic nanoreactors, the synthesis of nanoparticles in micelles formed from surfactants' and block copolymers, emulsions, and gels has been previously described. Soft nanoreactors often allow simple purification procedures, that is, the resulting nanoparticles can be separated from the self-assembled confinement in a nondestructive fashion. On the other hand, the softness of the reactor walls sometimes leads to unpredicted forms and shapes of the resulting nanoparticles, and the method is not often applicable for desirable nanoparticle compositions, which is because of the complex reactant mixtures present during synthesis. This is especially true for metal nitrides.