A review of chalcogenide-based perovskites as the next novel materials: Solar cell and optoelectronic applications, catalysis and future perspectives

Next Nanotechnology, Journal Year: 2024, Volume and Issue: 7, P. 100102 - 100102

Published: Sept. 11, 2024

Language: Английский

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Ion Migration in Tin-Halide Perovskites

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(4), P. 1639 - 1644

Published: March 20, 2024

Metal-halide perovskites, exhibiting exceptional optoelectronic properties, have emerged as a highly promising class of semiconductors for diverse applications. However, the inherent instability caused by ion migration has raised significant concerns, impeding further commercialization. This notorious phenomenon been widely reported in lead (Pb2+)-halide perovskite devices, resulting issues such hysteresis, phase segregation, localized doping, and electrochemical reactions. Interestingly, recent efforts revealed that appears to be less severe, or even negligible, tin (Sn2+)-perovskite counterparts. In this Perspective, we delve into cross-linked universe defect chemistry theory, uncovering potential mechanisms connecting these unique properties. Combined with their eco-friendly nature optoelectrical characteristics, Sn2+-halide perovskites hold immense advancing renewable energy stable devices.

Language: Английский

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Self-Assembled Monolayer-Based Hole-Transporting Materials for Perovskite Solar Cells

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(2), P. 175 - 175

Published: Jan. 12, 2024

Ever since self-assembled monolayers (SAMs) were adopted as hole-transporting layers (HTL) for perovskite solar cells (PSCs), numerous SAMs HTL have been synthesized and reported. offer several unique advantages including relatively simple synthesis, straightforward molecular engineering, effective surface modification using small amounts of molecules, suitability large-area device fabrication. In this review, we discuss recent developments SAM-based materials (HTMs) PSCs. Notably, in article, HTMs categorized by similarity synthesis to provide general information building a SAM structure. are composed head, linker, anchoring groups, the selection groups is key design synthetic procedure HTMs. addition, working mechanism has visualized explained inspiration finding new head that not yet explored. Furthermore, both photovoltaic properties stabilities discussed summarized, expanding reader’s understanding relationship between structure performance SAMs-based

Language: Английский

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Nanomaterials for Flexible Neuromorphics

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(22), P. 12738 - 12843

Published: Nov. 5, 2024

The quest to imbue machines with intelligence akin that of humans, through the development adaptable neuromorphic devices and creation artificial neural systems, has long stood as a pivotal goal in both scientific inquiry industrial advancement. Recent advancements flexible electronics primarily rely on nanomaterials polymers owing their inherent uniformity, superior mechanical electrical capabilities, versatile functionalities. However, this field is still its nascent stage, necessitating continuous efforts materials innovation device/system design. Therefore, it imperative conduct an extensive comprehensive analysis summarize current progress. This review highlights applications neuromorphics, involving inorganic (zero-/one-/two-dimensional, heterostructure), carbon-based such carbon nanotubes (CNTs) graphene, polymers. Additionally, comparison summary structural compositions, design strategies, key performance, significant these are provided. Furthermore, challenges future directions pertaining materials/devices/systems associated neuromorphics also addressed. aim shed light rapidly growing attract experts from diverse disciplines (e.g., electronics, science, neurobiology), foster further for accelerated development.

Language: Английский

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Real Time and Highly Sensitive Sub‐Wavelength 2D Hybrid Perovskite Photodetectors

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(36)

Published: May 6, 2024

Abstract Layered (2D) perovskites are an emerging attractive 2D system with enhanced stability to ambient conditions as opposed their highly unstable three dimensional bulk counterpart. Their uniquely tuneable optical and electrical properties underpinning a surge of interest in 2D‐photovoltaics. So far, the development nano‐scale integrated opto‐electronic perovskite devices remains nearly unexplored since they have generally been found be incompatible standard top‐down semiconductor nano‐fabrication technologies. Here, following synthesis solvent‐stable 2D‐fluorinated phenethylammonium lead iodide (F‐PEA) 2 PbI 4 (F‐PEAI), planar photodetectors entirely fabricated atmosphere is demonstrated, exhibiting figures merit rivalling those commercial silicon photodiodes. A record large room temperature detectivity (>5 × 10 17 Jones), fast time photoresponse (rise 1.5 ns), extraordinarily linear dynamic range (228 dB), well photo‐responsivity ≈ 1100 AW −1 demonstrated for on substrates including flexible wearable media without need any planarization or atomically thin dielectric, stark contrast other semiconductors. Finally, suitability F‐PEAI photodetector arrays sub‐wavelength pixel size just 100 nm use high definition imaging demonstrated.

Language: Английский

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Low-dimensional halide perovskites for advanced electronics

Materials Today Electronics, Journal Year: 2024, Volume and Issue: 9, P. 100111 - 100111

Published: Aug. 4, 2024

Halide perovskites are gaining prominence as promising materials for future electronic applications, primarily due to their unique properties including long carrier diffusion lengths, tunable bandgap, facile synthesis, and cost efficiency. However, polycrystalline halide perovskite thin films, which have been widely studied date, significant drawbacks uncontrollable grain boundaries instability issues. Recently, low-dimensional (LD HPs) offer enhanced stability adaptable morphologies, making them attractive candidates next-generation electronics beyond optoelectronics. This review comprehensively explores recent advancements in LD HP-based electronics, covering structural characteristics, synthesis methods tailored different dimensions, diverse applications. Furthermore, the impressive performance demonstrated by HPs applications resistive random-access memory, advanced transistors, neuromorphic computing hardware is discussed. Finally, outlines challenges perspectives required scale up commercial production, offering valuable insights researchers venturing into realm of new electronics.

Language: Английский

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Fabrication of high-performance tin halide perovskite thin-film transistors via chemical solution-based composition engineering

Nature Protocols, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Language: Английский

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Integration of One-Dimensional (1D) Lead-Free Perovskite Microbelts onto Silicon for Ultraviolet–Visible–Near-Infrared (UV-vis-NIR) Heterojunction Photodetectors

The Journal of Physical Chemistry Letters, Journal Year: 2024, Volume and Issue: 15(9), P. 2359 - 2368

Published: Feb. 23, 2024

Lead-free perovskites are considered to be candidates for next-generation photodetectors, because of their excellent charge carrier transport properties and low toxicity. However, application in integrated circuits is hindered by inadequate performance size restrictions. To aim at the development lead-free perovskite-integrated optoelectronic devices, a CsAg2I3/silicon (CAI/Si) heterojunction presented this work using spatial confinement growth method, where in-plane CAI microbelts with high-quality single-crystal characteristics primarily dependent on concentration surrounding precursor solution. The fabricated photodetectors based CAI/Si heterojunctions exhibit broad-spectrum detection capability ultraviolet–visible–near-infrared (UV-vis-NIR) range. In addition, show good photoelectric performance, including maximum responsivity 48.5 mA/W detectivity 1.13 × 1011 Jones, respectively. Besides, have rapid response 6.5/224 μs air stability over 2 months. This contributes new idea design devices high integration density.

Language: Английский

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Crystallization management and defect passivation via additive engineering for efficient and stable carbon-based CsPbI2Br perovskite solar cells

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 609, P. 234702 - 234702

Published: May 11, 2024

Language: Английский

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Odd–Even Alkyl Chain Effects on the Structure and Charge Carrier Transport of Two-Dimensional Sn-Based Perovskite Semiconductors

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(28), P. 19128 - 19136

Published: July 2, 2024

Oscillations in the chemical or physical properties of materials, composed an odd even number connected repeating methylene units, are a well-known phenomenon organic chemistry and materials science. So far, such behavior has not been reported for important class perovskite semiconductors. This work reports distinct odd–even oscillation molecular structure charge carrier transport phenylalkylammonium two-dimensional (2D) Sn-based perovskites which alkyl chains cations contain varying carbon numbers. Density functional theory calculations grazing-incidence wide-angle X-ray scattering characterization reveal that with ligands containing chain atoms display disordered crystal lattice tilted inorganic octahedra accompanied by reduced mobilities. In contrast, form more ordered structures, resulting improved Our findings disclose importance minor changes conformation have effect on morphology, photophysical properties, 2D layered perovskites, showcasing engineering to control key

Language: Английский

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