Gel electrolytes for partly covered photoelectrochromic devices

Theodosiou, Krystallia; Dokouzis, Alexandros; Αντωνίου, Ιωάννα; Leftheriotis, G.

doi:10.1016/j.solmat.2019.110124

Cited by 16 publications

(14 citation statements)

References 48 publications

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“…The same group investigated the durability and stability of PECDs, in different operating conditions [97], providing possible explanations degradation mechanisms and proposing a loss mechanism, including the reaction of electrons with tri-iodide ions at the interface between the cathodic EC material and the electrolyte. They also found that a 35 nm thin ZnS film, evaporated by e-beam deposition on top of WO 3 , suppressed contrast losses, acting as an effective barrier [98].…”

Section: A Chronological Review Of Pecdsmentioning

confidence: 94%

“…including the reaction of electrons with tri-iodide ions at the interface between the cathodic EC material and the electrolyte. They also found that a 35 nm thin ZnS film, evaporated by e-beam deposition on top of WO3, suppressed contrast losses, acting as an effective barrier [98]. Recently, the performance of electropolymerized PhmEDOT and PEDOT thin films were compared by Lin et al [99] in PECDs.…”

Section: Photovoltachromic Devices: One Step Forward For Pecdsmentioning

confidence: 99%

“…Dokouzis et al reported further works on PECDs, recently, using cobalt redox electrolytes [100] and studying the long term performance, exposing them to insolation in short-circuit and open-circuit conditions [97]. Theodosiou et al fabricated electrolytes with different concentrations of PMMA, having a ionic conductivity in the order of 10 −5 S/cm, which decreased if the PMMA increased [98].…”

Section: A Chronological Review Of Pecdsmentioning

confidence: 99%

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The Challenge for Building Integration of Highly Transparent Photovoltaics and Photoelectrochromic Devices

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This paper holds a critical review of current research activities dealing with smart architectural glazing worldwide. Hereafter, the main trends are analyzed and critically reported, with open issues, challenges, and opportunities, providing an accurate description of technological evolution of devices in time. This manuscript deals with some well-known, highly performing technologies, such as semitransparent photovoltaics and novel photoelectrochromic devices, the readiest, probably, to reach the final stage of development, to disclose the manifold advantages of multifunctional, smart glazing. The complex, overall effects of their building integration are also reported, especially regarding energy balance and indoor visual comfort in buildings.

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Section: A Chronological Review Of Pecdsmentioning

confidence: 94%

Section: Photovoltachromic Devices: One Step Forward For Pecdsmentioning

confidence: 99%

Section: A Chronological Review Of Pecdsmentioning

confidence: 99%

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The Challenge for Building Integration of Highly Transparent Photovoltaics and Photoelectrochromic Devices

et al. 2020

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“…Liquid electrolytes containing volatile solvents may undergo evaporation and leakage, affecting the durability of devices [20]. They can be solid, as in the case of tantalum oxide (Ta 2 O 5 ) [21,22], liquid [23,24], or gel [25,26]. Electrolytes based on polyethylene oxide (PEO) [27] or polymethyl methacrylate (PMMA) raise their ion conductivity by adding specific amounts of salts, such as lithium perchlorate LiClO 4 , LiTF, lithium iodide (LiI), or lithium sulfide (Li 2 SO 4 ).…”

Section: Electrochromic Materials and Devicesmentioning

confidence: 99%

Chromogenic Technologies for Energy Saving

Cannavale

2020

Clean Technol.

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Chromogenic materials and devices include a wide range of technologies that are capable of changing their spectral properties according to specific external stimuli. Several studies have shown that chromogenics can be conveniently used in building façades in order to reduce energy consumption, with other significant effects. First of all, chromogenics influence the annual energy balance of a building, achieving significant reductions in consumption for HVAC and artificial lighting. In addition, these technologies potentially improve the indoor level of visual comfort, reducing the risks of glare and excessive lighting. This brief review points to a systematic discussion—although not exhaustive and mainly limited to recent results and investigations—of the main studies that deal with building-integrated chromogenics that have appeared, so far, in the scientific literature.

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“…A systematic work, dealing with the main figures of merit of PEC devices containing dye-sensitized TiO 2 photoelectrodes, has been reported by the research group of Leftheriotis et al [197,198]. They also investigated the properties of devices containing poly(methyl methacrylate)-based gel electrolytes [199] and the long-term performance of partly covered devices [200]. A new class of solar cells, based on mixed organic-inorganic halide perovskites [201] has held some significance since 2012.…”

Section: Tio 2 In Photoelectrochromic (Pec) and Photovoltachromic Devicesmentioning

confidence: 99%

Titanium Dioxide in Chromogenic Devices: Synthesis, Toxicological Issues, and Fabrication Methods

2020

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The use of titanium dioxide (TiO2) within two specific classes of devices, namely electrochromic and photoelectrochromic, is described hereafter, with respect to its inherent properties and chromogenic features within architectures that have appeared so far, in this field. The new research trends, involving the applications of TiO2 in chromogenic materials are reported, with particular attention paid to the techniques used for film deposition as well as the synthesis of nanoparticles. Furthermore, the main studies concerning its chemical-physical properties and approaches to its chemical syntheses and fabrication are reviewed, with special regard to “green” routes. In addition, the main aspects relating to toxicological profiles are exposed, with reference to nanoparticles and thin films.

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Gel electrolytes for partly covered photoelectrochromic devices

Cited by 16 publications

References 48 publications

The Challenge for Building Integration of Highly Transparent Photovoltaics and Photoelectrochromic Devices

The Challenge for Building Integration of Highly Transparent Photovoltaics and Photoelectrochromic Devices

Chromogenic Technologies for Energy Saving

Titanium Dioxide in Chromogenic Devices: Synthesis, Toxicological Issues, and Fabrication Methods

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