Photoelectrochemical process
（重定向自Law of photochemical equivalence）
![After absorbing energy, an electron may jump from the ground state to a higher energy excited state.](/Images/godic/202501/23/Energy_levels.svg0323.png")
Photoelectrochemical processes are processes in photoelectrochemistry; they usually involve transforming light into other forms of energy. These processes apply to photochemistry, optically pumped lasers, sensitized solar cells, luminescence, and photochromism.