Fig. 2: Charge transport property from CsPbI3-PQD to customized SnO2. | npj Flexible Electronics

Fig. 2: Charge transport property from CsPbI3-PQD to customized SnO2.

From: Completely annealing-free flexible Perovskite quantum dot solar cells employing UV-sintered Ga-doped SnO2 electron transport layers

Fig. 2

a J − V characteristics and calculated conductivity for each SnO2-based device. b Energy band diagrams for the configurations of the CsPbI3-PQD solar cell. c Mott–Schottky plots of CsPbI3-PQD solar cell with each SnO2 ETL. d Steady-state PL spectra of the CsPbI3-PQD films deposited on each SnO2 film. e TRPL spectra with excitation wavelength of 463 nm for CsPbI3-PQD films deposited on each SnO2 film. f Dark J − V curves of the electron-only devices (ITO/SnO2/CsPbI3-PQD/PCBM/Au) with VTFL kink points.

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