Patent ID: 8154020

Claim:
A photo-voltaic cell device, comprising: a first electrode; an N-type doped silicon-rich dielectric layer, disposed on the first electrode, wherein the N-type doped silicon-rich dielectric layer comprises a first silicon-rich dielectric material doped with an N-type dopant; a P-type doped silicon-rich dielectric layer, disposed on the N-type doped silicon-rich dielectric layer, wherein the P-type doped silicon-rich dielectric layer comprises a second silicon-rich dielectric material doped with a P-type dopant; and a second electrode, disposed on the P-type doped silicon-rich dielectric layer, wherein each of the first silicon-rich dielectric material and the second silicon-rich dielectric material is respectively selected from Si-rich SiO x , Si-rich SiN y , Si-rich SiO x N y , Si-rich SiC z , Si-rich SiH w O x , Si-rich SiH w N y , Si-rich SiH w O x N y , or a combination thereof, wherein 0<w<4, 0<x<2, 0<y<1.34, and 0<z<1.