Ключевые слова: chemical engineering, hybrid nanocarbons with heteroelements, EPR/XPS characterization; Fluorescent carbon dots; Hybrid MoS2@PANI materials for high-performance supercapacitor electrode; Quantum Dots; Synthesis of Sn nanocluster@carbon dots for photodynamic therapy application; dielectric anomalies in Sr 2 TiCrO 6 ceramics