2021
DOI: 10.1002/adfm.202103121
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Device Architecture Engineering: Progress toward Next Generation Perovskite Solar Cells

Abstract: Over the past decade, perovskite solar cells (PSCs) have quickly established themselves as a promising technology boasting both high efficiency and low processing costs. The rapid development and success of PSCs is a product of substantial research effort addressing compositional engineering, thin film fabrication, surface passivation, and interfacial treatments. Recently, engineering of device architecture has entered a renaissance with the emergence of several new bulk and graded heterojunction structures. T… Show more

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Cited by 53 publications
(68 citation statements)
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“…[29,35,36] However, the approach is highly system dependent and requires careful control of the dimensionality of the lowerdimensional phases. [36][37][38][39] Recent studies have shown that only n = 1 pure 2D lower dimensional phases are suitable for improving the charge transfer yield at the interface. Westbrook et al demonstrated that for lower dimensional phases n > 1 charge transport is hindered.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…[29,35,36] However, the approach is highly system dependent and requires careful control of the dimensionality of the lowerdimensional phases. [36][37][38][39] Recent studies have shown that only n = 1 pure 2D lower dimensional phases are suitable for improving the charge transfer yield at the interface. Westbrook et al demonstrated that for lower dimensional phases n > 1 charge transport is hindered.…”
Section: Introductionmentioning
confidence: 99%
“…[31][32][33][34] Recently, the use of lower-dimensional secondary perovskite phases has gained significant attention as a promising strategy for promoting self-driven carrier separation at perovskite interfaces, enabling efficient hole extraction and improved FFs. [29,35,36] However, the approach is highly system dependent and requires careful control of the dimensionality of the lowerdimensional phases. [36][37][38][39] Recent studies have shown that only n = 1 pure 2D lower dimensional phases are suitable for improving the charge transfer yield at the interface.…”
Section: Introductionmentioning
confidence: 99%
“…Regular PSCs are configured by a transparent conductive oxide/blocking layer (ETL)/PS absorber layer/HTL material/gold (Au) ( Figure A). [ 155 ]…”
Section: Applicationmentioning
confidence: 99%
“…Regular PSCs are configured by a transparent conductive oxide/ blocking layer (ETL)/PS absorber layer/HTL material/gold (Au) (Figure 8A). [155] In the mesoporous n-i-p architecture, an intermixed layer formation is governed by the infiltration of PS materials into an ETL scaffold with nanoscale pores. The device stack is completed by depositing an HTL over the PS and the evaporation of the top electrode.…”
Section: Perovskite Solar Cell Architectures: Configurations and Chal...mentioning
confidence: 99%
“…Such an astonishing result was triggered by the progressive optimization of a PSC structure mainly composed of a perovskite absorber sandwiched between hole and electron selective contacts. Indeed, interfaces between adjacent layers play a crucial role in ruling the device performance and stability, since a charge carrier generated within the perovskite absorber should be efficiently transferred to the selective layers without recombination before being collected at the electrodes [3]. As a matter of fact, the PSC structure should be designed properly with the aid of energy band diagrams to avoid barriers at the interfaces, while adjacent layers should be deposited on top of each other by avoiding pinholes or defects due to the poor adhesion, lattice mismatch, solvent incompatibility and/or layer degradation, which occur in post-deposition processing or when the complete devices are in real working conditions and subject to prolonged illumination, prolonged heating, etc.…”
Section: Introductionmentioning
confidence: 99%