Theoretical insights into narrow bandgap CuFeS2 chalcopyrite for thermophotovoltaic applications
Description
Data Files: The submission has 15 files with extension .xlsx, labelled "Data" can be accessed through microsoft excel files. The Data file has 16 Figures. Each figure shows the specific result of CuFeS2 semiconductor and perofrmance for TPV cell Fig.2 file shows the band structure of CuFeS2. Fig.3a file shows the DOS of CuFeS2 with GGA+U calculation. Fig.3b file shows the spin-polarized DOS of CuFeS2 with GGA+U calculation. Fig.4 file shows the charge density along 010/100 plane. Fig.5a file shows dilectric function with energy. Fig.5b file shows Refractive index with energy. Fig.5c file shows absorption coefficient with energy. Fig.5d file shows optical conductivity with energy. Fig.5e file shows Reflctivity with energy. Fig.5f file shows Loss function with energy. Fig.7 file shows (a) Base thickness vs Voc, Jsc, FF and PCE and (b) Base doping vs Voc, Jsc, FF and PCE. Fig.8 file shows (a) Emitter thickness vs Voc, Jsc, FF and PCE and (b) Emitter doping vs Voc, Jsc, FF and PCE. Fig.9 file shows (a) absorption coefficient and internal quantum efficiency (IQE) as a function of wavelength and (b) photon flux as a function of wavelength at varying black body temperatures. Fig.10 file shows output characteristics of the CuFeS2 TPV device in response to variations in black body temperature. Fig.11 file shows output parameters with respect to (a) Radiative recombination coefficient and (b) Auger recombination coefficient Fig.12 file shows output parameters concerning (a) rear and (b) front surface recombination.