Optimization of Perovskite Solar Cell Performance using Optimized Level of Tetraethyl Orthosilicate Concentration

Isa, Muhammad Jodie Abraham; Sulistianto, Junivan; Rembianov,; Kevin, Liem; Poespawati, Nji Raden

doi:10.1109/iciteed.2019.8929960

Cited by 3 publications

(1 citation statement)

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“…This achievement is due to the fact that, when TEOS is introduced to MAPbI 3 in air, SiO 2 precipitates, acting as a passivation for the perovskite surface and shielding it from moisture and air. This improved the overall stability in ambient conditions [110][111][112]. Further, cyclic ether compound THF (tetrahydrofuran) also reported improving stability in ambient air, which the pioneer of the PSCs, the Miyasaka group, investigated.…”

Section: Ester-and Ether-based Additivesmentioning

confidence: 89%

The Progress of Additive Engineering for CH3NH3PbI3 Photo-Active Layer in the Context of Perovskite Solar Cells

Mangrulkar

Stevenson

2021

Crystals

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Methylammonium lead triiodide (CH3NH3PbI3/MAPbI3) is the most intensively explored perovskite light-absorbing material for hybrid organic–inorganic perovskite photovoltaics due to its unique optoelectronic properties and advantages. This includes tunable bandgap, a higher absorption coefficient than conventional materials used in photovoltaics, ease of manufacturing due to solution processability, and low fabrication costs. In addition, the MAPbI3 absorber layer provides one of the highest open-circuit voltages (Voc), low Voc loss/deficit, and low exciton binding energy, resulting in better charge transport with decent charge carrier mobilities and long diffusion lengths of charge carriers, making it a suitable candidate for photovoltaic applications. Unfortunately, MAPbI3 suffers from poor photochemical stability, which is the main problem to commercialize MAPbI3-based perovskite solar cells (PSCs). However, researchers frequently adopt additive engineering to overcome the issue of poor stability. Therefore, in this review, we have classified additives as organic and inorganic additives. Organic additives are subclassified based on functional groups associated with N/O/S donor atoms; whereas, inorganic additives are subcategorized as metals and non-metal halide salts. Further, we discussed their role and mechanism in terms of improving the performance and stability of MAPbI3-based PSCs. In addition, we scrutinized the additive influence on the morphology and optoelectronic properties to gain a deeper understanding of the crosslinking mechanism into the MAPbI3 framework. Our review aims to help the research community, by providing a glance of the advancement in additive engineering for the MAPbI3 light-absorbing layer, so that new additives can be designed and experimented with to overcome stability challenges. This, in turn, might pave the way for wide scale commercial use.

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Section: Ester-and Ether-based Additivesmentioning

confidence: 89%