Ambient Air and Hole Transport Layer Free Synthesis: Towards Low Cost CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Solar Cells

<div>SEM micrographs of TiO<sub>2</sub>-GO composite prepared by<i> in situ</i> incorporation of GO in sol gel reaction.</div>

Journal of Nanomaterials

Figure 2: Ambient Air and Hole Transport Layer Free Synthesis: Towards Low Cost CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Solar Cells 