Abstract
Precursor inks development contributed significantly to rapid escalations in solar-to-electrical conversion efficiencies of peorvskite solar cell technology.
Highlights
The growing population and resulting human activity continue to increase energy consumption, imposing new challenges for energy supply and production
Among the various renewable energy sources, photovoltaics has been considered as a potential source for providing clean, silent, and affordable energy with high solar-to-electrical energy conversion.[5,6,7]
Despite the increase in installations of dominant Si-based photovoltaic systems, these have various limitations such as saturated performance for bulk outdoor electricity production, limited aesthetics for modern architecture-based building integrated photovoltaic (BIPV) applications, and noneco-friendly and high energy consumption-based production methods. They display limited performance under low light intensity conditions; efficient conversion of electrical energy under simulated light is needed to energize maintenance-free internet of things (IoT) devices and portable electronics.[8,9,10,11]
Summary
The growing population and resulting human activity continue to increase energy consumption, imposing new challenges for energy supply and production. The striking discovery of potential applications of perovskite-based light harvesters in photovoltaics was preliminarily reported by formulating two types of precursor ink.[40] Brie y, CH3NH3Br and PbBr2 were dissolved in N,N-dimethylformamide (DMF) solvent, while CH3NH3I and PbI2 were mixed in g-butyrolactone (GBL) as a high viscosity solvent, cast on a TiO2 nanocrystalline lm via the spin coating method ( known as the single-step deposition method).[41,42,43] The solar cells produced in a liquid junction DSSC assembly fashion resulted in 3.81% solar-to-electrical energy conversion when tested under full sunlight illumination.[40]. The solar-to-electrical energy conversion milestone of 25% was
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