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Alfa Chemistry - Buffer Layer Materials For Solar Energy
FromAlfa Chemistry
Buffer Layer Materials For Solar Energy: The buffer layer with excellent performance has the following common functions: 1) modifying the surface of the electrode to make the surface smooth and orderly; 2) separating the active layer and the electrode, keeping the photo-generated carriers away from the electrode, preventing the quenching of photo-generated carriers at the electrode; 3) block the transport of carriers to the opposite direction of the photocurrent collection direction; 4) make ohmic contact between the electrode and the active layer; 5) improve the stability of the device. According to different application objects in OPV devices, buffer layer materials can be divided into anode buffer layer and cathode buffer layer.