Quantum-sized mechanism of hydrogen polycondensation on carbon nanotubular surfaces

Quantum-sized mechanisms for describing of hydrogen polycondensation are suggested. It is demonstrated that some kind of hydrogen polycondensation can be a consequence of supramolecular aggregation of quantum-sized hydrogen atoms. Distinctions of models consist in a different role of catalysts in hydrogen molecules dissociation. After achievement of critical number of quantum-sized hydrogen atoms inside nanotubular carbon hydrogen polycondensation goes spontaneously. According to density functional calculation in non-local density approximation it should be a self-constriction of the polycondensate that allows receiving high concentration of H-atoms in nanotubular carbon.