The kinetics for hydrogen (H) adsorption on Ir(111) electrode has been studied in both HClO4 and H2SO4 solutions by impedance spectroscopy.In HClO4,the adsorpti
Four organic small-molecule hole transport materials (D41,D42,D43 and D44) of tetraarylpyrrolo[3,2-b]pyrroles were pre-pared.They can be used without doping in