Investigation of Degradation Mechanisms in Carbon-Based Perovskite Solar Cells Exposed to Damp-Heat Conditions

Kyranaki, Nikoleta; Farha, Cynthia; Perrin, Lara; Flandin, Lionel; Planès, Émilie; Wagner, Lukas; Saddedine, Karima; Martineau, David; Cros, Stéphane

doi:10.1109/pvsc48317.2022.9938766

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“…Since the Nyquist plots only display a single semicircle, we focused on the analysis of the series resistance ( R S , intercept with the real axis on the left) and the charge recombination resistance ( R rec , corresponding to the diameter of the semicircle) based on previous studies. [ 35–37 ] As shown in Table S3, Supporting Information, the R S values for the control and target devices were determined to be 44.23 and 39.67 Ω, respectively. The R rec values were found to be 2310 and 8572 Ω for the control and target devices, respectively.…”

Section: Resultsmentioning

confidence: 99%

Nanoscale Pumping Effect of Perovskite via Supported Bilayer Electron Transport Layer for Efficient Printable Mesoscopic Solar Cells

Ding,

2024

Energy Tech

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Recently, enhancing the photovoltaic performance of printable mesoscopic perovskite solar cells (p‐MPSCs) poses a significant challenge, particularly in improving the diffusion of perovskite precursor solutions during device assembly. In this research, effective gap‐driven diffusion of the precursor solution perovskite is successfully achieved, leading to the formation of well‐filled and crystallized perovskite through TiO2 nanorod arrays. By incorporating upper‐layer TiO2 nanoparticles, a bilayer electron transport layer with dual crystal phase is developed, establishing a cascaded energy level structure that exhibits superior capabilities in electron collection and directional transport. The effective suppression of nonradiative recombination and efficient charge transfer result in notable enhancements in both open‐circuit voltage and short‐circuit current density. Consequently, the power conversion efficiency of p‐MPSCs devices based on MAPbI3 γ‐butyrolactone solution increases from 14.32% to 16.07% (highest reported value in the literature is 16.21%). These findings highlight a novel interface engineering approach for the fabrication of high‐performance p‐MPSCs devices.

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Section: Resultsmentioning

confidence: 99%

Nanoscale Pumping Effect of Perovskite via Supported Bilayer Electron Transport Layer for Efficient Printable Mesoscopic Solar Cells

Ding,

2024

Energy Tech

View full text Add to dashboard Cite

show abstract

Investigation of Degradation Mechanisms in Carbon-Based Perovskite Solar Cells Exposed to Damp-Heat Conditions

Cited by 1 publication

References 0 publications

Nanoscale Pumping Effect of Perovskite via Supported Bilayer Electron Transport Layer for Efficient Printable Mesoscopic Solar Cells

Nanoscale Pumping Effect of Perovskite via Supported Bilayer Electron Transport Layer for Efficient Printable Mesoscopic Solar Cells

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