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(Color online) (a) Solar cell structure. Work function of carbon nanotube is 4.9 eV. Doping concentration of n-Si is . (b) Conduction band energy. Hole density around the depletion region for cell with electrolyte (c) and without electrolyte (d) under short circuit with illumination of AM1.5g sun spectrum.
(Color online) Calculated current components under short circuit condition. (a) y-component of the hole photon current density. (b) y-component of the electron photon current density. (c) y-component of the total photon current density. (d) The x-component of the hole photon current density. (a)-(d) are for the solar cell with electrolyte. (e) For comparison, y-component of total photon current density for solar cell without electrolyte. (f) Normalized J-V curve comparison of the solar cells with and without electrolyte.
(Color online) (a) Hole density distribution for the solar cell with electrolyte and hole block layer under short circuit with illumination of AM1.5g sun spectrum. The doping density for the hole block layer (the bottom layer) is and that of the rest part is . (b) Normalized J-V curve comparison between solar cell with and without hole BL for the cell with dimension as Fig. 1(a).
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