Large area, waterproof, air stable and cost effective efficient perovskite solar cells through modified carbon hole extraction layer

Mali, Sawanta S.; Kim, Hyungjin; Kim, Hyun Hoon; Park, Gwang Ryeol; Shim, Sang Eun; Hong, Chang Kook

doi:10.1016/j.mtchem.2016.12.003

Cited by 21 publications

(22 citation statements)

References 43 publications

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“…Using carbon as the HTL was also shown by Sawanta S. Mali et al [ 70 ]. They modified commercially available carbon ink with methylammonium lead iodide (MAI) and used a doctor blade technique to fabricate perovskite solar cells having a device configuration Glass/FTO/mp-TiO 2 /MAPbI 3-x Cl x /carbon + MAI/Carbon.…”

Section: Substrates Stabilities and Performances Of Large-area Perovskite Photovoltaics Made Of Carbon Electrodesmentioning

confidence: 89%

“…Carbon-based perovskite solar cells have promisingly low fabrication costs. For example, colloidal graphite carbon paste (PELCO © ) was used in the research of Sawanta S. Mali et al, [ 70 ] which is available in the market for about 14.50 USD/25 g (estimated from the commercial price on the website). It can be seen that the price of carbon-based electrodes is 3 times lower compared with the prices of metal-based electrodes.…”

Section: Substrates Stabilities and Performances Of Large-area Perovskite Photovoltaics Made Of Carbon Electrodesmentioning

confidence: 99%

“…In terms of stability, perovskite solar cells made of carbon electrodes on glass substrates were stable for more than 160 days in the test at room temperature under an open atmosphere with a PCE of 13.4% ( Figure 5 ) [ 70 ]. The carbon layer was shown to be beneficial in terms of waterproofing and air stability.…”

Section: Substrates Stabilities and Performances Of Large-area Perovskite Photovoltaics Made Of Carbon Electrodesmentioning

confidence: 99%

“…( b–d ) Energy level diagram, a cross-sectional SEM image, and J-V characteristic curve of the device, respectively. Modified and reprinted from Sawanta S. Mali et al, (2017), [ 70 ] Copyright (2017), with permission from Elsevier.…”

Section: Figurementioning

confidence: 99%

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Carbon Electrodes in Perovskite Photovoltaics

et al. 2021

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High-performance lab-scale perovskite solar cells often have a precious metal as the top electrode. However, there are drawbacks to using metal top electrodes on a large scale, such as inducing degradation processes, requiring a high-temperature deposition process under vacuum, and having low scalability. Recently many studies have shown the potentials of using a carbon electrode because of its conductivity, flexibility, low cost, and ease of fabrication. This review article presents an overview of using carbon materials to replace the top electrode in perovskite photovoltaics. We discuss various fabrication techniques, various carbon-based device structures, and the advantages of using carbon materials. A collection of research works on device performance, large-scale fabrication, and device stability is presented. As a result, this review offers insight into the future of large-scale flexible solar cells.

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Section: Substrates Stabilities and Performances Of Large-area Perovskite Photovoltaics Made Of Carbon Electrodesmentioning

confidence: 89%

Section: Substrates Stabilities and Performances Of Large-area Perovskite Photovoltaics Made Of Carbon Electrodesmentioning

confidence: 99%

Section: Substrates Stabilities and Performances Of Large-area Perovskite Photovoltaics Made Of Carbon Electrodesmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

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Carbon Electrodes in Perovskite Photovoltaics

et al. 2021

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“…[27,28] Ac arbon-based modified hole-extraction layerw as also used for perovskite solar cells for PCEs > 13 %. [29] Af ew reports on rutile TiO 2 nanorods [6,30] and anatase nanotubes are also available. [31] Therefore,t he fabrication of perovskite solar cells based on 1D/3 DT iO 2 nanostructures opens an ew approach to preparee fficient perovskite solar cells.…”

Section: Introductionmentioning

confidence: 99%

Secondary Hydrothermally Processed Engineered Titanium Dioxide Nanostructures for Efficient Perovskite Solar Cells

et al. 2017

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A secondary hydrothermal process was used to synthesize exotic hollow nanostructures of rutile TiO2 as an electron‐transport layer for perovskite solar cells. The prepared nanostructures were used in combination with methylammonium lead iodide (MAPbI3) perovskite, and their photovoltaic properties were studied. This core–shell architecture of a perovskite enveloped by TiO2 provides an enhanced surface area, better contact with the perovskite because of the larger adsorption area, and effective light penetration. Our results revealed that the hollow nanoflowers exhibit a photocurrent density of 21.05 mA cm−2, an open‐circuit voltage of 0.916 V, and a fill factor of 0.66, which leads to a power conversion efficiency of 12.72 %. These results were also verified by electrochemical impedance spectroscopy and time‐resolved photoluminescence spectroscopy. Furthermore, the effect of the wetting time was studied, and our results revealed that a minimum time of 100 s is required for good penetration of a MAPbI3/γ‐butyrolactone solution.

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