Abstract
For perovskite solar cells (PSCs), the development of low cost, stable and efficient electron transport materials (ETMs) is of prime consideration. Here, we have introduced a scalable electrospraying technique for the direct deposition of hydrotermally synthesized two-dimensional (2D) MoS2 nanosheets ETMs, onto the fluorine-doped tin oxide (FTO) glass susbtarte to use in PSCs with reduces hysteresis, improved ambient stability and high efficiency. The PSCs fabricated with electrospray deposited MoS2 nanosheets demonstrate the maximum power conversion efficiency (PCEmax) of 16.17%, that is comparable to the PCEs achieved from compact SnO2 and TiO2 ETM based PSCs. The current findings present a new route for the construction of stable and efficient PSCs based on a low-cost and solution- processed MoS2 nanosheets ETMs.
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