Flexible organo-metal halide perovskite solar cells on a Ti metal substrate

Lee, Minoh; Jo, Yimhyun; Kim, Dong Suk; Jun, Yongseok

doi:10.1039/c4ta06011c

Cited by 92 publications

(73 citation statements)

References 27 publications

(26 reference statements)

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“…In addition to the Ni grid top electrodes, carbon nanotubes (CNTs), Ag-embedded ITO, and ultrathin metal fi lms have also been developed and successfully employed in fl exible perovskite solar cells based on Ti foil. [60][61][62] Interestingly, fl exible perovskite solar cells can also be fabricated on fl exible glasses. In a recent report, Fan and co-workers demonstrated an effi cient device on an ultrathin fl exible glass substrate.…”

Section: Research Newsmentioning

confidence: 99%

High‐Efficiency Flexible Solar Cells Based on Organometal Halide Perovskites

et al. 2015

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Flexible and light-weight solar cells are important because they not only supply power to wearable and portable devices, but also reduce the transportation and installation cost of solar panels. High-efficiency organometal halide perovskite solar cells can be fabricated by a low-temperature solution process, and hence are promising for flexible-solar-cell applications. Here, the development of perovskite solar cells is briefly discussed, followed by the merits of organometal halide perovskites as promising candidates as high-efficiency, flexible, and light-weight photovoltaic materials. Afterward, recent developments of flexible solar cells based on perovskites are reviewed.

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Section: Research Newsmentioning

confidence: 99%

High‐Efficiency Flexible Solar Cells Based on Organometal Halide Perovskites

et al. 2015

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“…The fiber can be made of stainless steel or titanium. 162,164 For the former, both TiO 2 and ZnO were tested as the ETL, with similar results (PCE B 3%). 163,164 In addition to dip coating on metal fibers, chemical bath deposition or electrodeposition have also been employed.…”

Section: View Article Onlinementioning

confidence: 68%

Progress, challenges and perspectives in flexible perovskite solar cells

Giacomo

Fakharuddin

Jose

et al. 2016

Energy Environ. Sci.

385

257

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a Perovskite solar cells have attracted enormous interest since their discovery only a few years ago because they are able to combine the benefits of high efficiency and remarkable ease of processing over large areas. Whereas most of research has been carried out on glass, perovskite deposition and synthesis is carried out at low temperatures (o150 1C) to convert precursors into its final semiconducting form. Thus, developing the technology on flexible substrates can be considered a suitable and exciting arena both from the manufacturing view point (e.g. web processing, low embodied energy manufacturing) and that of the applications (e.g. flexible, lightweight, portable, easy to integrate over both small, large and curved surfaces). Research has been accelerating on flexible PSCs and has achieved notable milestones including PCEs of 15.6% on laboratory cells, the first modules being manufactured, ultralight cells with record power per gram ratios, and even cells made on fibres.Reviewing the literature, it becomes apparent that more work can be carried out in closing the efficiency gap with glass based counterparts especially at the large-area module level and, in particular, investigating and improving the lifetime of these devices which are built on inherently permeable plastic films. Here we review and provide a perspective on the issues pertaining progress in materials, processes, devices, industrialization and costs of flexible perovskite solar cells. Broader contextFor a number of years, solar cells had been considered as an inferior energy technology due to high cost -even in the renewable energy paradigm; however, more recently progress in materials processing and engineering of highly efficient and stable solar panels have helped them emerge as a frontline renewable energy technology with energy payback time that has been lowered from over a decade to a couple of years (at least in some parts of the world) during the last ten years. Commercial solar panels are typically manufactured on rigid platforms. Fabricating them on flexible substrates, such as transparent plastics and metallic foils, would enable effective harvesting of energy in a number of diverse areas from indoor electronics to automobiles and from building integrated photovoltaics to portable applications. Furthermore, it would open up web-based roll-to-roll fabrication conducive to massive throughputs. Solution processable perovskite solar cells offer promising opportunities towards this end. Being these cells the most efficient among the solution processable ones, with efficiency in their laboratory scale devices on par with the commercially available silicon and thin film counterparts, significant recent efforts devoted to their manufacturing on flexible substrates have seen efficiencies rise as high as 15.6% together with moderate stability. We approach the developments in this area by critically analyzing the factors affecting the final performance indicators such as efficiency, stability, and functionality and relate these to its proces...

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“…In addition, albeit relatively rare, there is a cell structure fabricated on metal foils. [43] In this type of cell, since the bottom metal foil is not transparent, a transparent electrode should be employed as a top electrode. The deposition order of the two charge carrier transport layers (ETL, HTL) determines the procedural requirements and electrical properties of the cell; [44] thus, two structures with different stacking orders of charge carrier transport layers are differently denoted.…”

Section: Perovskite Solar Cells (Pscs)mentioning

confidence: 99%

Metal‐Nanowire‐Electrode‐Based Perovskite Solar Cells: Challenging Issues and New Opportunities

Ahn

Hwang

Jeong

et al. 2017

Advanced Energy Materials

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in PSCs has been accomplished within a relatively short period of time, owing to OMHP's merits for low-cost, large-area, flexible photovoltaic applications; these merits include (i) the precursor chemicals, including organic ammonium halides and lead (tin) halides, for synthesizing the OMHP materials are cost-effective, and the OMHP layers can be readily prepared by simple wet-chemical approaches such as a spin coating or a slot-die coating process; (ii) the processing temperatures are relatively low, below 150 °C, for the formation of well-crystalized OMHP layers, in contrast to other thin-film-based solar cells; (iii) both the high absorption coefficients [6] and high carrier mobilities [7] suggest promising possibilities for highperformance photoactive materials. The PCE certified by National Renewable Energy Laboratory (NREL) reached 22.1% in 2016, [8] which is either comparable to or outperforms the PCEs of other next-generation thin-film solar cells, including CIGS(Se) (22.3%), CZTS/Se (12.6%), CdTe (22.1%), and organic photovoltaics (OPVs, 11.5%).Apart from the race to achieve higher PCE, other important research has been directed toward the development of lead-free OMHP layers, [9] large-area device fabrication, [10,11] a methodology of achieving long-term stability against moisture and irradiation, [12,13] and a way of recycling constituent cell materials. [14] Another fascinating research topic concerns the electrodes for PSCs. To date, vacuum-deposited transparent conductive oxides (TCOs), such as indium tin oxide (ITO) and fluorinated tin oxide (FTO), have been used widely as a large-area window electrode through which light passes. However, TCOs have received criticism in terms of their fabrication cost, brittleness, and the scarcity of raw materials (especially, the indium in ITO). [15] Opaque noble metal electrodes (Au, Ag), which are usually used as a back contact, are also fabricated with a costly vacuum-assisted deposition process. From the viewpoint of cost-effectiveness, both transparent and opaque conventional electrodes apparently represent predominant impediments to the high-throughput fabrication of PSCs, giving rise to a significant demand to replace these conventional electrodes with alternatives.To date, a variety of alternative electrodes have been reported in the literature.

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Flexible organo-metal halide perovskite solar cells on a Ti metal substrate

Abstract: Flexible perovskite solar cells have been developed on a metal substrate using a silver thin film as the top electrode.

Cited by 92 publications

References 27 publications

High‐Efficiency Flexible Solar Cells Based on Organometal Halide Perovskites

High‐Efficiency Flexible Solar Cells Based on Organometal Halide Perovskites

Progress, challenges and perspectives in flexible perovskite solar cells

Metal‐Nanowire‐Electrode‐Based Perovskite Solar Cells: Challenging Issues and New Opportunities

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