Low-temperature fabrication of dye-sensitized solar cells by transfer of composite porous layers

Dürr, Michael; Schmid, Alexander; Obermaier, M.; Rosselli, Silvia; Yasuda, Akio; Nelles, Gabriele

doi:10.1038/nmat1433

Cited by 378 publications

(199 citation statements)

References 19 publications

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“…One route to address this challenge is the decoupling of TiO 2 crystallisation and photoanode fabrication, e.g. by the transfer of pre-sintered porous films 21 or the prefabrication of µm-sized mesostructured crystalline building blocks 22 . The use of titanate-based precursors has recently been presented as a viable route to crystalline TiO 2 networks at low temperatures 23 .…”

Section: Introductionmentioning

confidence: 99%

Low temperature crystallisation of mesoporous TiO2

et al. 2013

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Conducting mesoporous TiO 2 is gaining rapidly in importance for the manufacture of green energy applications. To optimise performance, its porosity and crystallinity must be carefully fine-tuned. To this end, we have performed a detailed study on the temperature dependence of TiO 2 crystallisation in mesoporous films. Crystal nucleation and growth of initially amorphous TiO 2 derived by hydrolytic sol-gel chemistry is compared to the evolution of crystallinity from nanocrystalline building blocks obtained from non-hydrolytic sol-gel chemistry, and mixtures thereof. Our study addresses the question whether the critical temperature for crystal growth can be lowered by the addition of crystalline nucleation seeds.

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Section: Introductionmentioning

confidence: 99%

Low temperature crystallisation of mesoporous TiO2

et al. 2013

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“…Indium tin oxide (ITO) coated polymer substrates can replace the FTO substrates on glass to a certain extent 20. However, the efficiencies of these cells are too low compared to the FTO analogs due to their lower conductivities, low heat resistances, and fatigue inherent to the ITO/polymer substrates 35, 36, 37, 38. DSSCs in the form of fibers can adequately address most of these issues.…”

Section: Fiber‐shaped Energy Harvesting Devicesmentioning

confidence: 99%

Fiber‐Type Solar Cells, Nanogenerators, Batteries, and Supercapacitors for Wearable Applications

et al. 2018

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Wearable electronic devices represent a paradigm change in consumer electronics, on‐body sensing, artificial skins, and wearable communication and entertainment. Because all these electronic devices require energy to operate, wearable energy systems are an integral part of wearable devices. Essentially, the electrodes and other components present in these energy devices should be mechanically strong, flexible, lightweight, and comfortable to the user. Presented here is a critical review of those materials and devices developed for energy conversion and storage applications with an objective to be used in wearable devices. The focus is mainly on the advances made in the field of solar cells, triboelectric generators, Li‐ion batteries, and supercapacitors for wearable device development. As these devices need to be attached/integrated with the fabric, the discussion is limited to devices made in the form of ribbons, filaments, and fibers. Some of the important challenges and future directions to be pursued are also highlighted.

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“…Beyond rigid glass substrates, also flexible substrates like polymer foils, such for example PET-foils, were used. [23,24] For the so-called bottom contact, the substrate is covered by a transparent electrode. In rigid devices typically, transparent conductive oxides (TCO) like fluorine or indium doped tin oxide (FTO and ITO) are used for this purpose.…”

Section: Fundamentals Of Hybrid Solar Cells Functionmentioning

confidence: 99%

Hybrid Photovoltaics – from Fundamentals towards Application

Müller‐Buschbaum

Thelakkat

Fässler

et al. 2017

Advanced Energy Materials

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In hybrid photovoltaics, an organic and an inorganic semiconductor are combined in the active layer, with the advantages of both material classes in a single device. The organic component contributes towards the possibility for wet chemical device preparation with potentially low costs in combination with achieving flexible devices. From the inorganic component an increase in stability, as well as superior opto‐electronic properties, is added. Given the large diversity of organic and inorganic semiconductors, a large number of possible realizations of hybrid solar cells emerge. In the present review, we limit to hybrid solar cells which combine conjugated polymers with inorganic materials such as titanium dioxide, zinc oxide, silicon, germanium and quantum dots to keep focused. Particular emphasis is put on different routes to tailor nanostructures, such as the use of semiconductor block copolymers. The inorganic component is either synthesized directly in one of the blocks or added as a pre‐synthesized nanomaterial to form the hybrid material. Alternatively, the block copolymer is used as a structure‐directing template in a sol–gel synthesis approach to have tailored inorganic nanostructures, which are back‐filled with the organic component to fabricate the hybrid material. Hybrid solar cells based on crystalline Si are discussed for comparison.

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Low-temperature fabrication of dye-sensitized solar cells by transfer of composite porous layers

Cited by 378 publications

References 19 publications

Low temperature crystallisation of mesoporous TiO2

Low temperature crystallisation of mesoporous TiO2

Fiber‐Type Solar Cells, Nanogenerators, Batteries, and Supercapacitors for Wearable Applications

Hybrid Photovoltaics – from Fundamentals towards Application

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