Fully Spray-Coated Triple-Cation Perovskite Solar Cells

Bishop, James; Read, Connor D.; Smith, Joel A.; Routledge, Thomas J.; Lidzey, David G.

doi:10.1038/s41598-020-63674-5

Cited by 116 publications

(86 citation statements)

References 33 publications

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“…Here, the main issue encountered was the formation of voids in the perovskite layer, which significantly reduced device performance. 12 We believe that such voids result from the wet film undergoing partial dewetting around surface contaminants in the SnO 2 layer during the VASP process. We expect that by further improving the SnO 2 spray-coating process and developing the perovskite solvent chemistry, it will be possible to minimize these effects.…”

Section: Recent Developmentsmentioning

confidence: 95%

“…As a result of such optimization studies, we were able to fabricate fully spray-coated PSC devices having a PCE of 19.4%. 12 We emphasize that these PCE values were obtained from small cells having an active area of 2.5 mm 2 . We also therefore performed a limited scale up of device area and fabricated a series of devices on 25 × 75 mm 2 substrates.…”

Section: Recent Developmentsmentioning

confidence: 99%

“…(c) Output power of the champion devices when held (for 60 s) at a fixed voltage close to the maximum power point, indicating a stabilized PCE of 18.7 and 16.3% for small- and large-area cells, respectively. This image is adapted from ref ( 12 ) and licensed under CC BY-ND 2.0.…”

Section: Recent Developmentsmentioning

confidence: 99%

“… 8 As a result, a growing community of researchers are investigating alternative scalable deposition techniques to deposit perovskite PV devices from solution, including blade-coating, 9 slot-die coating, 10 inkjet printing, 11 and spray coating. 12 …”

Section: Introductionmentioning

confidence: 99%

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Development of Spray-Coated Perovskite Solar Cells

Bishop

Smith

Lidzey

2020

ACS Appl. Mater. Interfaces

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105

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Over the past six years, researchers have investigated the use of spray coating to fabricate perovskite solar cells (PSCs), with the aim of demonstrating its viability as an industrial manufacturing process. This spotlight on applications outlines the key benefits of this coating technology and summarizes progress made to date, with attention focused on varied efforts to control the crystallization and uniformity of the perovskite layer. The emerging understanding of processes required to create smooth, dense spray-cast perovskite films has recently led to the demonstration of fully spray-cast PSCs with a power conversion efficiency of 19.4%.

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Section: Recent Developmentsmentioning

confidence: 95%

Section: Recent Developmentsmentioning

confidence: 99%

Section: Recent Developmentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Development of Spray-Coated Perovskite Solar Cells

Bishop

Smith

Lidzey

2020

ACS Appl. Mater. Interfaces

Self Cite

105

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“…By controlling the different spray parameters, it has been possible to deposit and control the characteristics of thin film transistors based on carbon nanotubes (Jeong et al, 2012), ZnO (Lima et al, 2020), and organic semiconductors like 6,13-Bis(triisopropylsilylethynyl)pentacene (TIPS-Pentacene) (Yu et al, 2013) and Poly(9,9-dioctylfluorene-altbithiophene) (F8T2) (Hsu and Liu, 2014). Other functional layers fabricated through spray-coating include perovskites for solar cells (Bishop et al, 2020), MXene for strain sensors Zhang Y.-Z. et al, 2018), and PEDOT:PSS/ Cellulose nanofibers for supercapacitors (Say et al, 2020).…”

Section: Fabricationmentioning

confidence: 99%

Flexible Electronics: Status, Challenges and Opportunities

2020

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The concept of flexible electronics has been around for several decades. In principle, anything thin or very long can become flexible. While cables and wiring are the prime example for flexibility, it was not until the space race that silicon wafers used for solar cells in satellites were thinned to increase their power per weight ratio, thus allowing a certain degree of warping. This concept permitted the first flexible solar cells in the 1960s (Crabb and Treble, 1967). The development of conductive polymers (Shirakawa et al., 1977), organic semiconductors, and amorphous silicon (Chittick et al., 1969; Okaniwa et al., 1983) in the following decades meant huge strides toward flexibility and processability, and thus these materials became the base for electronic devices in applications that require bending, rolling, folding, and stretching, among other properties that cannot be fulfilled by conventional electronics (Cheng and Wagner, 2009) (Figure 1). Presently there is great interest in new materials and fabrication techniques which allow for highperformance scalable electronic devices to be manufactured directly onto flexible substrates. This interest has also extended to not only flexibility but also properties like stretchability and healability which can be achieved by utilizing elastomeric substrates with strong molecular interactions (Oh et al., 2016; Kang et al., 2018). Likewise, biocompatibility and biodegradability has been achieved through polymers that do not cause adverse effect to the body and can be broken down into smaller constituent pieces after utilization (Bettinger and Bao, 2010; Irimia-Vladu et al., 2010; Liu H. et al., 2019). This new progress is now enabling devices which can conform to complex and dynamic surfaces, such as those found in biological systems and bioinspired soft robotics. These next-generation flexible electronics open up a wide range of exciting new applications such as flexible lighting and display technologies for consumer electronics, architecture, and textiles, wearables with sensors that help monitor our health and habits, implantable electronics for improved medical imaging and diagnostics, as well as extending the functionality of robots and unmanned aircraft through lightweight and conformable energy harvesting devices and sensors. While conventional electronics are very capable of these functions, flexible electronics are intended to expand the mechanical features to adhere to novel form factors through hybrid strategies, or as standalone solutions where the application does not require high computation power, intended to be highly robust to deformation, low cost, thin, or disposable. The definition of flexibility differs from application to application. From bending and rolling for easier handling of large area photovoltaics, to conforming onto irregular shapes, folding, twisting, stretching, and deforming required for devices in electronic skin, all while maintaining device performance and reliability. While early progress and many important innovations have alre...

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Halide Perovskite Materials, Structural Dimensionality, and Synthesis

Takeoka

Mitzi

2021

Perovskite Photovoltaics and Optoelectronics

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Fully Spray-Coated Triple-Cation Perovskite Solar Cells

Cited by 116 publications

References 33 publications

Development of Spray-Coated Perovskite Solar Cells

Development of Spray-Coated Perovskite Solar Cells

Flexible Electronics: Status, Challenges and Opportunities

Halide Perovskite Materials, Structural Dimensionality, and Synthesis

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