2022
DOI: 10.1088/2515-7655/ac91f7
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Alleviating defects in perovskites using single-walled carbon nanotubes

Abstract: Single-walled carbon nanotubes (SWCNTs) are representative one-dimensional materials that show exceptional optical and electronic properties with various tuneable bandgaps. SWCNTs can be integrated into a variety of photovoltaics particularly, perovskite solar cells (PSCs) based on a high level of functionality and purity. In this topical review, we discuss the fundamentals of SWCNTs applied to PSCs as an electron-transporting layer (ETL), hole-transporting layer (HTL), photoactive layer, and interfacial mater… Show more

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Cited by 3 publications
(3 citation statements)
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“…Additionally, poor V OC , defects, band and electron affinity mismatch, etc., are responsible for the low PV performance of VoDP-based devices. Therefore, to achieve the optimum PV performance based on these types of perovskite materials, various material synthesis approaches may be followed: e.g., (a) using thermal evaporation or aerosol-assisted CVD rather than a simple solution-processing technique in conjunction with an iodine-rich synthesis method to produce relatively uniform morphology and fewer intrinsic defects, (b) passivation of surfaces and interfaces to alter the grain size and carrier extraction characteristics, etc . Recently, carbon nanotubes have also been found to be effective in charge carrier transportation, and as a result, they can be incorporated as charge transporting materials in the future …”
Section: Resultsmentioning
confidence: 99%
“…Additionally, poor V OC , defects, band and electron affinity mismatch, etc., are responsible for the low PV performance of VoDP-based devices. Therefore, to achieve the optimum PV performance based on these types of perovskite materials, various material synthesis approaches may be followed: e.g., (a) using thermal evaporation or aerosol-assisted CVD rather than a simple solution-processing technique in conjunction with an iodine-rich synthesis method to produce relatively uniform morphology and fewer intrinsic defects, (b) passivation of surfaces and interfaces to alter the grain size and carrier extraction characteristics, etc . Recently, carbon nanotubes have also been found to be effective in charge carrier transportation, and as a result, they can be incorporated as charge transporting materials in the future …”
Section: Resultsmentioning
confidence: 99%
“…At the same time, SWCNTs are favored in solar cell applications because of their lower optical density [50,52] and suitable bandgap. [53][54][55] Table 1 lists the mechanical and electrical properties and costs of SWCNTs, DWCNTs, and MWCNTs. Rols et al [56] measured SWCNT distribution by reading the Raman-active A 1g radialbreathing mode frequency.…”
Section: Cnt Architecture and Architectures Of Alternative Materialsmentioning
confidence: 99%
“…At the same time, SWCNTs are favored in solar cell applications because of their lower optical density [ 50,52 ] and suitable bandgap. [ 53–55 ]…”
Section: Introductionmentioning
confidence: 99%