Using the spray pyrolysis process,the work shows the production of pristine and 6%Ag-doped methylammonium lead iodide bromide(MAPbI2Br)film.Through X-ray diffraction analysis,it was found that Ag doping led to a signi...Using the spray pyrolysis process,the work shows the production of pristine and 6%Ag-doped methylammonium lead iodide bromide(MAPbI2Br)film.Through X-ray diffraction analysis,it was found that Ag doping led to a significant increase in grain size to 29.64 nm,alongside reductions in dislocation line density to 5.39×1014 m−2 and d-spacing to 3.18Å,while maintaining the native cubic crystal structure of MAPbI2Br.This research demonstrates a reduction in deep-level trap states with Ag doping,along with a significant narrowing of the band gap to 1.91 eV in the 6%Ag-doped MAPbI2Br.Moreover,the refractive index and extinction coefficient increased to 2.54 and 2.13,respectively.Regarding solar cell performance,all cells demonstrated encouraging outcomes;still,the 6%Ag-doped cell distinguished itself with a fill factor of 0.82,an open-circuit voltage of 1.07 V,an outstanding short-circuit current density of 11.31 mA/cm²,and an efficiency of 10.03%.These results highlight the effectiveness of Ag doping in improving perovskite solar cell technology,marking a notable progress in this field.展开更多
Using the spray pyrolysis process,the work shows the production of pristine and 6%Ag-doped methylammonium lead iodide bromide(MAPbI2Br)film.Through X-ray diffraction analysis,it was found that Ag doping led to a signi...Using the spray pyrolysis process,the work shows the production of pristine and 6%Ag-doped methylammonium lead iodide bromide(MAPbI2Br)film.Through X-ray diffraction analysis,it was found that Ag doping led to a significant increase in grain size to 29.64 nm,alongside reductions in dislocation line density to 5.39×1014 m−2 and d-spacing to 3.18Å,while maintaining the native cubic crystal structure of MAPbI2Br.This research demonstrates a reduction in deep-level trap states with Ag doping,along with a significant narrowing of the band gap to 1.91 eV in the 6%Ag-doped MAPbI2Br.Moreover,the refractive index and extinction coefficient increased to 2.54 and 2.13,respectively.Regarding solar cell performance,all cells demonstrated encouraging outcomes;still,the 6%Ag-doped cell distinguished itself with a fill factor of 0.82,an open-circuit voltage of 1.07 V,an outstanding short-circuit current density of 11.31 mA/cm²,and an efficiency of 10.03%.These results highlight the effectiveness of Ag doping in improving perovskite solar cell technology,marking a notable progress in this field.展开更多
基金supported by King Saud University,Riyadh,Saudi Arabia,under project number RSP2024R397CONAHCYT for the scholarship awarded.
文摘Using the spray pyrolysis process,the work shows the production of pristine and 6%Ag-doped methylammonium lead iodide bromide(MAPbI2Br)film.Through X-ray diffraction analysis,it was found that Ag doping led to a significant increase in grain size to 29.64 nm,alongside reductions in dislocation line density to 5.39×1014 m−2 and d-spacing to 3.18Å,while maintaining the native cubic crystal structure of MAPbI2Br.This research demonstrates a reduction in deep-level trap states with Ag doping,along with a significant narrowing of the band gap to 1.91 eV in the 6%Ag-doped MAPbI2Br.Moreover,the refractive index and extinction coefficient increased to 2.54 and 2.13,respectively.Regarding solar cell performance,all cells demonstrated encouraging outcomes;still,the 6%Ag-doped cell distinguished itself with a fill factor of 0.82,an open-circuit voltage of 1.07 V,an outstanding short-circuit current density of 11.31 mA/cm²,and an efficiency of 10.03%.These results highlight the effectiveness of Ag doping in improving perovskite solar cell technology,marking a notable progress in this field.
文摘Using the spray pyrolysis process,the work shows the production of pristine and 6%Ag-doped methylammonium lead iodide bromide(MAPbI2Br)film.Through X-ray diffraction analysis,it was found that Ag doping led to a significant increase in grain size to 29.64 nm,alongside reductions in dislocation line density to 5.39×1014 m−2 and d-spacing to 3.18Å,while maintaining the native cubic crystal structure of MAPbI2Br.This research demonstrates a reduction in deep-level trap states with Ag doping,along with a significant narrowing of the band gap to 1.91 eV in the 6%Ag-doped MAPbI2Br.Moreover,the refractive index and extinction coefficient increased to 2.54 and 2.13,respectively.Regarding solar cell performance,all cells demonstrated encouraging outcomes;still,the 6%Ag-doped cell distinguished itself with a fill factor of 0.82,an open-circuit voltage of 1.07 V,an outstanding short-circuit current density of 11.31 mA/cm²,and an efficiency of 10.03%.These results highlight the effectiveness of Ag doping in improving perovskite solar cell technology,marking a notable progress in this field.
