Full text loading...
Absorption spectra of PbS NQDs dispersed in tetrachloroethylene (TCE).
(a) PbS NQDs Schottky photovoltaic architecture. (b) Cross sectional SEM image of Schottky solar cell. (c) Current-voltage characteristics of the solar cell device using PbS NQDs with 3.5 nm in diameter showing the highest efficiency under AM 1.5 illumination.
Variation of key solar cells parameters ((a) VOC, (b) JSC, (c) FF, and (d) PCE) with PbS NQDs of bandgap energy.
(a) Current-voltage characteristics for film-thickness dependency with PbS NQDs in bandgap of 2.2 eV (blue) and 1.2 eV (red). (b) Schematic equilibrium band diagram with PbS NQDs in bandgap of 2.2 eV (left) and 1.2 eV (right). Depletion region is d-WS and d-WL at x-axis, respectively.
Article metrics loading...