Fig. 2: Cross-sectional morphology of ETL coated FTO. | Light: Science & Applications

Fig. 2: Cross-sectional morphology of ETL coated FTO.

From: Room-temperature multiple ligands-tailored SnO2 quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high VOC

Fig. 2

a SEM cross-sectional image of c-SnO2-coated FTO (left) and SnO2 QDs-coated FTO (right). HAADF-STEM cross-sectional image (left) and zoom-in image of the selected area (right) of b c-SnO2-coated FTO and c SnO2 QDs-coated FTO. HAADE-STEM-EELS cross-sectional element mapping of d c-SnO2-coated FTO and e SnO2 QDs-coated FTO

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