Perovskites have been attractive materials in electrocatalysis due to their virtues of low cost, variety, and tuned activity. Herein, we firstly demonstrate superior electrochemical kinetics of LaBO 3 (B = V, Cr, Mn) perovskites towards vanadium redox reactions in vanadium redox flow batteries (VRFBs). ...
1 Introduction Recent years have witnessed the exponential growth of the Internet of Things (IoT), which comprises an ultra-large ecosystem of sensor nodes that are being disseminated in …
Metal halide organic-inorganic hybrid perovskite is a kind of rapid development of semiconductors but its major development has been concentrated in lead-based perovskites. Here we report two zero-dimensional non-lead halide perovskites [3-FPEA] 3 (SbCl 4)Cl 2 (1) and [3-FPEA] 4 (BiI 6)I (2) (3-FPEA = 3-fluorophenethylamine) …
Perovskite oxide Sr2Fe1.5Mo0.5O6−δ (SFM) has attracted much attention as a potential ceramic anode material for solid oxide fuel cells. In this work, antimony is primarily proposed to partially replace the Mo element in order to improve its electrochemical performance. Sb doping significantly reduces oxygen
Using a reflex reaction to make perovskite phases and lateral electrode device to study carbon-assisted photo-response of perovskite phases []. 2.2 Lead-Free Based Perovskite Photodetector The inclusion of Pb in the chemical composition of hybrid organic inorganic lead halide perovskites has been linked to their toxicity.
Perovskite solar cells (PSCs) have recently demonstrated a rapid power conversion efficiency of above 25%. In terms of physical properties, SnO 2 is similar to TiO 2 but with stronger charge extraction at the interface. Furthermore, the SnO 2 electron transporting layer (ETL) is prepared using new, simple, and efficient methods, resulting in high …
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 electrocatalytic activity of the synthesized perovskite-based electrocatalysts for the OER was evaluated using an RRDE electrode rotating at 1600 rpm in an N 2-saturated 0.1 M KOH electrolyte solution.As depicted in Fig. 4 a, the linear sweep voltammetry (LSV) curves of the electrocatalysts demonstrate the impact of Sr 2+ doping …
Such a phenomenon clouds the proper comprehension of the catalytic active site. 37, 38 Various electrocatalysts have been studied so far for acidic OER, and most of them are perovskite and double perovskite. 39-41 Koper and co-workers developed iridium (Ir 42
Perovskite oxides with formula ABO3 or A2BO4 are a very important class of functional materials that exhibit a range of stoichiometries and crystal structures. Because of the structural features, they could accommodate around 90% of the metallic natural elements of the Periodic Table that stand solely or partially at the A and/or B positions …
Homogeneous perovskite films deposition for large area We chose FA 0.93 MA 0.02 Cs 0.05 PbI 2.94 Br 0.06 as absorbing layer 20,21,22.The schematic diagram of the fabrication process of our ...
The unique properties of perovskites and the rapid advances that have been made in solar cell performance have facilitated their integration into a broad range of practical applications,...
Perovskite-inspired materials (PIMs) have come to the fore recently because they aim to solve a main issue with perovskite technology, that of the potential toxicity of lead (Pb), as well as offer alternatives to tin (Sn)-based perovskites, which are …
The emerging metal halide perovskite family has demonstrated great potential as light-harvesting active materials by virtue of excellent light absorption and charge-carrier mobilities () spite record-breaking PCEs (up to 25.2%) (), single-junction perovskite solar cells stand little chance to outcompete the current benchmark of crystalline silicon (PCE …
In this review, group VA metal halide based perovskites, namely those of bismuth (Bi) and antimony (Sb), and their derivatives with different …
The quality of perovskite films and lateral contact of subcells limit the performance of perovskite solar modules. Here, authors regulate the growth of perovskites on low temperature...
In brief, this study provides a compelling demonstration of lead-free mixed halide perovskites for photocatalytic CO 2 reduction, and it is anticipated to drive further application of perovskite-based photocatalysts toward a diverse range of artificial …
This study demonstrates a novel layered perovskite via Co-doping strategy, i.e. LaSr 3 Co 1.5 Fe 1.5 O 10-δ, which possesses significantly higher electrocatalytic activity, considerably lower overpotential and Tafel slope, remarkably higher mass activity (MA) and
Download: Download high-res image (171KB)Download: Download full-size imageThis work reports a novel and effective multidentate molecular "lock", 2,3,4,5,6-Pentafluorophenylammonium Iodide (F 5 PhAI), to simultaneously immobilize all types of ions in perovskite with multiple chemical anchoring sites, leading to enhanced stability of …
Here we introduce p-type antimony-doped tin oxides (ATO x) combined with a self-assembled monolayer molecule as an interlayer between the perovskite and hole-transporting layers (HTL) in...
Herein, antimony potassium tartrate (APTA) is added to perovskite precursor as a multifunctional additive that not only coordinates with unbonded lead but also inhibits the migration of halogen in perovskite, which results in suppressed non-radiative …
Recently, compositional engineering of lead-free halide double perovskite materials (A 2 B + B 3+ X 6) has attracted increasing research interest in terms of potential optoelectronic applications.Herein, antimony (Sb 3+) ions are introduced to manipulate the structure and optical properties of Cs 2 NaBiCl 6..
A mixed metal organic–inorganic perovskite (CH3NH3)2AgSbI6 was developed in which pairs of the Pb(ii) atoms in traditional CH3NH3PbI3 perovskite are replaced by Sb(iii)/Ag(i) aliovalent units. We used density functional theory (DFT) calculations (the GLLB-SC method) with spin–orbit coupling corrections to predict t
Organic–inorganic lead (Pb)-free halide perovskites exhibit considerable potential as photoluminescence materials because of outstanding photophysical properties. However, metal halide perovskites generally emit single self-trapped excitons at room temperature, making it difficult to achieve a wide color gam
Metal-air batteries that utilize atmospheric oxygen as a cathodic active material are among the most promising candidates for next-generation energy storage devices because their theoretical power density is higher than that of lithium-ion batteries. 1 In particular, zinc-air batteries have received much attention because they comprise …
Out of concern over the harmful nature of lead, lead-free halide perovskites have attracted interest in the photovoltaic industry. One such substance suggested Nisrina Harahap, Perdinan Sinuhaji, Kerista Tarigan, Novita Ayu Irawana Hulu; Lead-free perovskite using formamidinium iodide (FAI) and antimony trichloride (SbCl …
All-solid-state lithium batteries with inorganic solid electrolytes are recognized as the next-generation battery systems due to their high safety and energy density. To realize the practical applications of all-solid-state lithium battery, it is essential to develop solid electrolytes which exhibit high Li-ion conductivity, low electron conductivity, …
The actual performance of vanadium redox flow batteries (VRFBs) is still significantly constrained by the slow kinetics and major parasitic reactivity of anode issues. Herein, a B-site management strategy of SrBO 3 (B = Ti, Zr, Hf) perovskites was proposed to promote the anode reaction jointly explored by experiments and first–principle …
The work explores novel dual-ion batteries that use an antimony-containing anode and a graphitic cathode. ... We expect that a similar phenomenon and a much improved C EFF (above 98 %) can be expected for the Sb-carbon composite electrode when it when ...
Recently, compositional engineering of lead-free halide double perovskite materials (A2B+B3+X6) has attracted increasing research interest in terms of potential optoelectronic applications. Herein, antimony (Sb3+) ions are introduced to manipulate the structure and optical properties of Cs2NaBiCl6. Within th
Perovskite Oxides Toward Oxygen Evolution Reaction
Perovskite-inspired materials (PIMs) have come to the fore recently because they aim to solve a main issue with perovskite technology, that of the potential toxicity of lead (Pb), as well as offer alternatives to tin (Sn)-based perovskites, which are unstable. First, we introduced two cations in the precursor mixture, which improved power …
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 …
Halide double perovskites (HDPs) have been proposed as potential alternatives to lead halide perovskites in the field of photovoltaics and photoluminescence (PL). Using the strategy of cation-transmutation, namely substituting two Pb 2+ with monovalent(I) and trivalent(III) cations, a three-dimensional (3D) double perovskite …
Organic–inorganic hybrid perovskite solar cells (PSCs) have emerged as a new class of optoelectronic semiconductors that revolutionized the photovoltaic research in the recent years. The …
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