Gold - chemistry, Electron Spin Resonance Spectroscopy, Nanocomposites - chemistry, Light, Nitriles - chemistry, Catalysis, Graphite - chemistry, Dielectric Spectroscopy, Hydrogen - chemistry, Photochemical Processes, Hydrogen, Photoluminescence, Electron transfer, Electron spin, Environmental engineering, Carbon nitride, Nanoparticles, Engineering, Absorpti...