Fig. 1. Schematic diagram of SQIS solar cell with a-SiO_x/TiN rear passivating contact

Fig. 2. Output parameters of SQIS device with or without a-SiO_x/TiN. (a) J_sc; (b) V_oc; (c) FF; (d) efficiency

Fig. 3. J-V characteristic curves and photovoltaic parameters of SQIS solar cells

Fig. 4. Profiles of minority-carrier lifetime of n-type c-Si wafer and TiN/a-SiO_x/n-Si/a-SiO_x/TiN sample. (a) n-Si; (b) TiN/a-SiO_x/n-Si/a-SiO_x/TiN

Fig. 5. Energy band diagram of a-SiO_x(In)/n-Si/a-SiO_x/TiN set up by AFORS-HET