Abstract The high demand for energy consumption in everyday life, and fears of climate change are driving the scientific community to explore prospective materials efficient conversion storage. Perovskites, a prominent category materials, including metal halides perovskite oxides have significant role as can effectively replace conventional materials. simultaneous need new together with increased interest making devices, exploring physics, thrust research control structuring at nanoscale....

Abstract Metal halide perovskites (MHPs) have attracted significant attention owing to their simple manufacturing process and unique optoelectronic properties. Their reversible electrical or optical property changes in response oxidizing reducing environments make them prospective materials for gas detection technologies. Despite advancements perovskite‐based sensor research, the mechanisms behind perovskite‐gas interactions, vital performance, are still inconclusive. This work presents...

Dynamical susceptibility and Monte Carlo simulations unravel the spin-glass dynamics due to assembly of colloidal nanoparticles in clusters with increased volume fraction.

Ligand-free all-inorganic lead halide nanocubes have been investigated as ozone sensing materials operating at room temperature. It is found that the nanocubes, crystallined in orthorhombic CsPbBr3 structure, can operate temperature, be self-powered and exhibit high sensitivity remarkable repeatability. More importantly, they demonstrate higher (54% 187 ppb) faster response recovery times compared to hybrid mixed perovskite (CH3NH3PbI3-x Cl x ) layers, which only material tested for sensing,...

A facile, low-temperature precipitation-based method is utilized for the synthesis of ultra-thin and highly uniform cesium lead bromide perovskite nanowires (NWs). The reactions facilitate NWs' crystalline nature over micron-size lengths, while they impart tailored nanowire widths that range from quantum confinement regime (∼7 nm) down to 2.6 nm. This colloidal approach first its kind carried out on work-bench, without demanding chemical equipment. Importantly, photoluminescence shown...

Owing to their exceptional optoelectronic properties, all-inorganic lead halide perovskites offer enormous potential for next generation photonic, light-emitting, and devices. However, usage is significantly limited by poor stability upon moisture exposure toxicity issues. Moreover, many of the aforementioned applications rely on development confined perovskite patterns various shapes periodicities. Here we report a simple low-temperature method enabling controlled incorporation...

¹H-NMR relaxometric experiments over an extended frequency range show that ferrimagnetic colloidal nanoclusters exhibit enhanced transverse relaxivity, <italic>r</italic>₂.

Metal halide perovskites have been recently proposed as hopeful materials for energy storage applications. Besides, the quite important electrochemical characteristics of these materials, all perovskite-based anodes are synthesized at high temperatures (90–150 °C) and with reaction durations order tens hours. In this work, it has particularly shown that direct growth all-inorganic, metal microcrystals free ligands, provides high-performance stable electrodes Li-air batteries. We describe a...

Highly-sensitive and stable ozone hydrogen sensing elements were fabricated based on well-crystalline rounded cube-shaped CsPbBr3 microcrystals, synthesized by a facile solution process performed under ambient conditions. It is shown that such demonstrate enhanced room temperature gas ability compared to the previously reported metal halide oxide-based ones. Electrical measurements these components revealed high sensitivity ultra-low concentrations, namely 4 ppb 1 ppm respectively, as well...

In most lymphomas, p53 signaling pathway is inactivated by various mechanisms independent to gene mutations or deletions. many cases, function largely regulated alterations in the protein abundance levels action of E3 ubiquitin-protein ligase MDM2, targeting proteasome-mediated degradation. present study, an integrating transcriptomics and proteomics analysis was employed investigate effect activation a small-molecule MDM2-antagonist, nutlin-3a, on three lymphoma cell models following...

Advances in surfactant-assisted chemical approaches have led the way for exploitation of nanoscale inorganic particles medical diagnosis and treatment. In this field, magnetically-driven multimodal nanotools that perform both detection therapy, well-designed size, shape composition, are highly advantageous. Such a theranostic material—which entails controlled assembly smaller (maghemite) nanocrystals secondary motif is dispersible aqueous media—is discussed here. These surface...

We report that the direct conjugation of metal halide perovskite nanocrystals on rGO sheets can provide high performance and stable electrodes for Zn-ion capacitors. It is first time have been used to enhance energy storage 2D materials in capacitors by introducing an additional pseudocapacitance mechanism. In particular, we present a simple, rapid room temperature laser-induced method anchor CsPbBr

Here we report control of iron oxide and palladium nanoparticle (NP) formation via stabilization with polyphenylenepyridyl dendrons the second third generations dodecyl periphery. These nanomaterials are developed as magnetically recoverable catalysts. To accurately assess influence exterior for same dendron generation, also designed a generation partial For all studied, multicore mesocrystals were formed, sizes morphology which controlled by generation. Analysis static dynamic magnetic...

In contrast to bulk materials, nanoscale crystal growth is critically influenced by size- and shape-dependent properties. However, it challenging decipher how stoichiometry, in the realm of mixed-valence elements, can act control physical properties, especially when complex bonding implicated short long-range ordering structural defects. Here, solution-grown iron-oxide nanocrystals (NCs) pilot wustite system are found convert into iron-deficient rock-salt ferro-spinel sub-domains, but attain...

In the present paper, we report chemical vapor deposition of multiwall carbon nanotubes (MWCNTs) coating on stainless steel substrates and coverage individual CNTs by a silicon (Si) thin layer. The study's goal is to create evaluate electrochemically Si/MWCNT composites with varying Si loadings act both as mechanical support electrical conducting path current collector. MWCNTs incorporated efficiently into layer their surface aided Si's poor stability while maintaining its high-capacity...

We report on a facile and rapid photo-induced process to conjugate graphene-based materials with metal-halide perovskite nanocrystals. show that small number of laser pulses is sufficient decorate the 2-dimensional (2D) flakes nanocrystals without affecting their primary morphology. At same time, density anchored could be finely tuned by irradiation pulses. This room temperature method provides unique opportunities for design development perovskite-2D nanoconjugates, exhibiting synergetic...

Metal halide perovskite nanocrystals, an emerging class of materials for advanced photonic and optoelectronic applications, are mainly fabricated with colloidal chemistry routes. On the quest new properties according to application needs, systems various morphologies levels doping alloying have been developed, often also involving post-synthesis reactions. Recently, laser irradiation in liquids has utilized as a fast method synthesize or transform interesting laser-induced transformations on...

Polycrystalline BiFeO 3 films have been magnetron sputter deposited at room temperature and subsequently heat-treated ex situ temperatures between 400 700°C. The deposition was done in pure Ar atmosphere, as the use of oxygen-argon mixture found to lead nonstoichiometric due resputtering effects. At a target-to-substrate distance<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>d</mml:mi><mml:mo>=</mml:mo><mml:msup><mml:mrow><mml:mn...

Research on magnetic nanocrystals attracts wide-spread interest because of their challenging fundamental properties, but it is also driven by problems practical importance to the society, ranging from electronics (e.g. recording) biomedicine. In that respect, iron oxides are model functional materials as they adopt a variety oxidation states and coordinations facilitate use. We show promising way engineer further technological potential in diagnosis therapy assembly primary into larger...

Metal halide perovskites (MHPs) have attracted significant attention owing to their simple manufacturing process and unique optoelectronic properties. Their reversible electrical or optical properties changes in response oxidizing reducing environments make them prospective materials for gas detection technologies. Despite advancements perovskite-based sensor research, the mechanisms behind perovskite-gas interactions, vital performance, are still unexclusive. This work presents first...

Lead halide perovskites have attracted considerable attention as potential gas sensing elements due to their unique ability detect and respond an external stimulus with measurable electrical or optical signals. The distinctive characteristics of these materials lie in operate upon exposure at room temperature. However, the presence lead (Pb) poses a serious challenge for widespread application commercialization, owing its toxicity. To address this issue, lead-free Cs2AgBiBr6 double...

Elevated-temperature polyol-based colloidal-chemistry approach allows for the development of size-tunable (50 and 86 nm) assemblies maghemite iso-oriented nanocrystals, with enhanced magnetization. 1H-Nuclear Magnetic Resonance (NMR) relaxometric experiments show that ferrimagnetic cluster-like colloidal entities exhibit a remarkable enhancement (4 to 5 times) in transverse relaxivity, if compared superparamagnetic contrast agent Endorem, over an extended frequency range (1-60 MHz). The...

In the present paper, we report chemical vapor deposition of multiwall carbon nanotubes (MWCNTs) coating on stainless steel substrates and coverage individual CNTs by a silicon (Si) thin layer. The strategy in this study is to develop nanocomposites various coated Si/MWCNT composites act both as mechanical support electrical conducting path current collector. MWCNTs incorporated efficiently Si layer their surface aid Si’s poor stability while maintaining its high-capacity values. composite...