Patent ID: 9608220
Date: 2017-03-28
CPC Classifications: H01L,Y02E,Y02P

Claim:
1. A method of making a photovoltaic device, the method comprising: etching a native oxide over an inorganic substrate having a surface; forming an organic monolayer on the surface of the inorganic substrate, the organic monolayer having the following formula: wherein X is an oxygen or a sulfur; n is an integer from about 4 to about 21; and ˜ is a covalent bond between X and the surface of the inorganic substrate to form a covalently bonded ether or a covalently bonded thioether on the surface; disposing a doped organic material layer onto the organic monolayer; and forming a conductive electrode on a portion of the doped organic material layer; wherein a concentration of a dopant is selected such that a potential of a p-n heterojunction between the conductive electrode and the inorganic substrate is predominantly determined by a workfunction difference between the doped organic material layer and the inorganic substrate.