It is important to understand the interfacial robustness of promising multilayer structures of perovskite solar cells (PSCs) due to their weak adhesion at interfaces, which can lead to failure or delamination in the structures. Herein, we used force microscopy to quantify the adhesive interactions between adjacent layers of PSCs. The measured
Perovskite-based photo-batteries (PBs) have been developed as a promising combination of photovoltaic and electrochemical technology due to their cost-effective design and significant increase in solar-to-electric power conversion efficiency. The use of complex metal oxides of the perovskite-type in batteries and photovoltaic cells has attracted considerable
Long-life and self-powered betavoltaic batteries are extremely attractive for many fields that require a long-term power supply, such as space exploration, polar exploration, and implantable medical technology. Organic lead halide perovskites are great potential candidate materials for betavoltaic batteries due to the large attenuation
Perovskite solar cells (PSCs) are multilayer structures. The interface between electron transport layer and perovskite is the mechanical weakest point in flexible PSCs due to its low fracture...
Aside from catastrophic failure of charge transport pathways via cohesive or adhesive with high CTEs. 6 A key advantage of this approach is that it does not require a reduction in perovskite
Perovskite solar cells (PSCs) are multilayer structures. The interface between electron transport layer and perovskite is the mechanical weakest point in flexible PSCs due to
With the progress in the development of perovskite solar cells, increased efforts have been devoted to enhancing their stability. With more devices being able to survive harsher stability testing conditions, such as damp heat or outdoor testing, there is increased interest in encapsulation techniques suitable for this type of tests, since both device architecture
Flexible devices require thin film encapsulation or flexible barrier and adhesives. In this case, the encapsulant must cover the whole area and, therefore, be chemically
With the rapid progress of perovskites, various thin-film fabrication methods have been studied intensively. However, a film deposition method with controllability, cost efficiency, scalability, and uniformity is required to obtain perovskite films with the desired morphologies and properties and achieve large-scale manufacture. Chemical vapor
Herein, we first demonstrate an in-situ fabricated CsPbBr3 PQDs/POE encapsulation adhesive film, which can simultaneously achieve continuously large-scale manufacture through melt extrusion and possess well compatibility with the encapsulation
Developing a novel conductive-adhesive ink to laminate carbon foil. Achieving comparable efficiency and enhanced stability compared with Au-based devices. Utilizing carbon-laminated electrodes on perovskite solar cells (PSCs) benefits from simple fabrication process and low-cost material, in addition to enhanced stability.
Aside from catastrophic failure of charge transport pathways via cohesive or adhesive with high CTEs. 6 A key advantage of this approach is that it does not require a reduction in perovskite annealing temperature and thus ensures that the formed perovskite is of high quality and that the devices exhibit high efficiencies. Sargent and co-workers employed this approach using a high
Developing a novel conductive-adhesive ink to laminate carbon foil. Achieving comparable efficiency and enhanced stability compared with Au-based devices. Utilizing
Flexible devices require thin film encapsulation or flexible barrier and adhesives. In this case, the encapsulant must cover the whole area and, therefore, be chemically compatible with the top layers, mainly with the last deposited layer. Additionally, adhesives must have thermal expansion coefficients similar to the solar cell layers, be
Herein, the development of perovskite precursor inks suitable for use at low-temperature and vacuum-free solution-based deposition processes is reported. These inks can be further tailored...
Modified polyurethane adhesive (PUA) with lead sedimentation function is used for the encapsulation of flexible perovskite modules in buildings. In this work, a modified polyurethane adhesive (PUA) was prepared to realize a convenient
They spin-coated the FA-MA perovskite films on top of c-TiO 2 and the as-deposited films were then transferred into a vacuum chamber to enable a rapid solvent removal of GBL and DMF which typically remain in fluid perovskite films the conventional deposition processes and require post-annealing to remove [Fig. 9 (b)]Z. The post-annealing process
Solid-state lithium metal batteries (LMBs) have become increasingly important in recent years due to their potential to offer higher energy density and enhanced safety compared to conventional liquid electrolyte-based lithium-ion batteries
The antiperovskites have been studied as artificial solid electrolyte interphase for Li-metal anode protection, film SSEs for thin-film batteries, and low melting temperature solid electrolyte enabling melt-infiltration for the manufacture of all-solid-state lithium batteries. Transition metal-doped LiRAPs as cathodes have demonstrated a high discharge specific
Metal halide perovskite is becoming a kind of highly efficient material in extensive luminescent applications [1 – 3], such as narrow emissions [4 – 5], tunable wavelengths [6 – 8] and lifetimes [9], as well as lasers [10 – 14].Moreover, benefiting from the economical precursors and low-temperature process, perovskite shows great potentiality in
A packaging method of a perovskite thin film battery pack is based on the production of perovskite thin film batteries and comprises the following steps: step 1: the battery pack comprises a base material and a cavity layer, wherein a UV adhesive layer is coated on the cavity layer in a water-proof and oxygen-proof environment of the isolation box, and covers the whole cavity layer of
In the present work and based on the somehow conflicting literature reports on organic–inorganic lead halide perovskites for Li-ion rechargeable batteries and Li-ion rechargeable photobatteries, we revisited
Images of the edge of a cell (a) non-encapsulated and (b) encapsulated with epoxy, after total discoloration. In (a), all areas are covered with the perovskite film; in (b), the perovskite layer around the cell is missing. Download: Download high-res image (118KB) Download: Download full-size image; Fig. 6.
As shown in Fig. 1, the CsPbBr 3 QDs/POE encapsulation adhesive film in this work was fabricated by the in-situ melt extrusion process, in which the adhesive film was consecutively molded from the mixed fusants of POE masterbatches containing CsPbBr 3 precursors through drawing operation. Aiming to ensure the complete reaction among
Herein, the development of perovskite precursor inks suitable for use at low-temperature and vacuum-free solution-based deposition processes is reported. These inks
Long-life and self-powered betavoltaic batteries are extremely attractive for many fields that require a long-term power supply, such as space exploration, polar exploration, and
In the present work and based on the somehow conflicting literature reports on organic–inorganic lead halide perovskites for Li-ion rechargeable batteries and Li-ion rechargeable photobatteries, we revisited the (photo)electrochemical behavior of CHPI and reexplored its applicability as a multifunctional photoelectrode material for highly integr...
With the rapid progress of perovskites, various thin-film fabrication methods have been studied intensively. However, a film deposition method with controllability, cost efficiency, scalability, and uniformity is
It is important to understand the interfacial robustness of promising multilayer structures of perovskite solar cells (PSCs) due to their weak adhesion at interfaces, which can lead to failure or delamination in the
Herein, we first demonstrate an in-situ fabricated CsPbBr3 PQDs/POE encapsulation adhesive film, which can simultaneously achieve continuously large-scale manufacture through melt extrusion and possess well compatibility with the encapsulation technique of silicon photovoltaic modules.
The obtained film offered a full coverage over the deposited area, with a smooth surface profile, which is preferable for the deposition of subsequent films in the device. An optimized nitrogen gas blowing during the slot-die coating of the perovskite thin film helped to accelerate the nucleation step and resulted in a high level of crystal growth.
The presented approach is suitable for the fabrication of any functional layers of perovskites, that can be employed in various scaled applications, and it seeks the potential and the methodology for perovskite film deposition that is scalable to industrial standards.
In the control film, with a continuous load, the probe penetrated the perovskite film, resulting in exposed ITO substrate (marked by blue dash line). The perovskite film with HPBs interface modification merely showed underneath ITO substrate, suggesting a stronger adhesion between the SnO 2 and perovskite layers.
Considering the SEM images of sample 5 and 6 in Fig. 2 e and f, in both cases, the perovskite film was clearly formed through the ND-type mechanism, resulting in densely packed crystal grains offering a fully covered thin film over the coating area.
Perovskite solar cells (PSCs) are multilayer structures. The interface between electron transport layer and perovskite is the mechanical weakest point in flexible PSCs due to its low fracture energy. Herein, we develop a highly adhesive polyamide-amine-based hyperbranched polymers to reinforce the interface.
Only in that case one can expect the formation of films comparable with those employed in spin-coated high-performance devices. The developed procedure is furthermore highly reliable and delivers high quality perovskite films with high reproducibility as shown in Suppl Fig. S2.
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