2017
DOI: 10.1016/j.solmat.2016.11.013
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Large area self-powered semitransparent trifunctional device combining photovoltaic energy production, lighting and dynamic shading control

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Cited by 17 publications
(8 citation statements)
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“…Similarly to the photovoltachromic device recently reported, [29] such a multifunctional EC system involves the use of a solid-state, dry, and non-sticky polymer electrolyte, allowing for the direct deposition of the ITO electrode atop the WO 3 layer, without any extra additional curing or annealing treatment of the electrolyte, and avoiding the adoption of two or three glass substrates for the device assembly. Furthermore, the usage of a buffer layer of titanium dioxide (TiO 2 ) at the anode and of WO 3 pillar-like nanostructures as cathodic active layer enabled a remarkable improvement of overall device performances showing superior optical contrast, increased cyclic stability by a reduced optical degradation, lower operating activation voltages (0-3 V), and faster switching coloring/bleaching times, if compared to ECOLEDs and EC electroluminescent devices reported so far in literature: [16,[31][32][33] conventional systems based on two joint devices [31][32][33] and those based on one dual device. [30] The resulting highly performing, flexible, and large-area ECOLED systems offer an excellent perspective for further development towards scale-up and manufacturing of new and promising electronic devices for next-generation see-through display technologies, such as for example display windows or transparent displays for augmented reality.…”
Section: Introductionmentioning
confidence: 99%
“…Similarly to the photovoltachromic device recently reported, [29] such a multifunctional EC system involves the use of a solid-state, dry, and non-sticky polymer electrolyte, allowing for the direct deposition of the ITO electrode atop the WO 3 layer, without any extra additional curing or annealing treatment of the electrolyte, and avoiding the adoption of two or three glass substrates for the device assembly. Furthermore, the usage of a buffer layer of titanium dioxide (TiO 2 ) at the anode and of WO 3 pillar-like nanostructures as cathodic active layer enabled a remarkable improvement of overall device performances showing superior optical contrast, increased cyclic stability by a reduced optical degradation, lower operating activation voltages (0-3 V), and faster switching coloring/bleaching times, if compared to ECOLEDs and EC electroluminescent devices reported so far in literature: [16,[31][32][33] conventional systems based on two joint devices [31][32][33] and those based on one dual device. [30] The resulting highly performing, flexible, and large-area ECOLED systems offer an excellent perspective for further development towards scale-up and manufacturing of new and promising electronic devices for next-generation see-through display technologies, such as for example display windows or transparent displays for augmented reality.…”
Section: Introductionmentioning
confidence: 99%
“…Apart from these few examples, the EC units of quasi-solid PEC devices reported so far are commonly characterized by gel electrolytes or viscous liquids. [17][18][19]22,23,26,28,33,35,38,41 Herein, we present for the first time, a full solid-state perovskite PVCD fabricated on a single substrate with a simplified configuration in which a semitransparent (ST) perovskite PV cell is combined with a solid-state WO 3 -based EC unit. Such a multifunctional EC system involves the use of a solid-state, dry, and nonsticky polymer electrolyte, allowing for the direct deposition of a highly transparent conductive electrode (TCE) layer atop the electrolyte film.…”
Section: Introductionmentioning
confidence: 99%
“…To address these constrains, a PECD constituted of Si solar microcells (μ-cells) showing an optical contrast of 32% and a V oc suitable for powering a WO 3 -based EC system was recently proposed . Differently, dye-sensitized solar cell (DSSCs)-based PECDs exhibited the highest optical modulation (> 40%) but very low PCE and V oc and slow switching times make them impractical for generating power on a large scale. In these last years, PV cells based on either organic semiconductors (OPV) or hybrid halide perovskites reached improved transparency at high efficiency, emerging as new and promising materials for building-integrated applications. Davy et al have recently reported on organic single-junction solar cells based on hexabenzocoronene (cHBC) derivatives that selectively harvest near-UV light and produce a V oc exceeding 1.6 V, demonstrating their pairing with polymer-based EC windows to modulate the transmission of visible and near-IR light . With regard to perovskite-based PECDs, neutral-tinted semitransparent perovskite obtained by controlling the morphology of the perovskite layer to form a “islands type” microstructure was successfully integrated with a semisolid EC cell, enabling a self-powered photovoltachromic device (PVCD) with an average visible transmittance (AVT) of 26% and a modulation of about 20% in the bleached state .…”
Section: Introductionmentioning
confidence: 99%
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“…Figure a illustrates this work in comparison to current state-of-the-art technologies; typical power requirements necessitate larger area PV, and significant efforts have been made to produce impressive results using either integrated or adjacent (side-by-side) PV materials. Namely, Si-based semitransparent thin films, ,, transparent or UV/NIR selective polymers, ,, dye sensitized solar cells (DSSCs), , InGaN-based materials, and thin film perovskites have each been applied to provide self-powering for EC devices. Here, we look instead to microscale, high performance, single-crystalline Si and optimize optical absorption and electrical performance to effect transparency.…”
Section: Introductionmentioning
confidence: 99%