Lead immobilization for environmentally sustainable perovskite solar cells

Nature, Год журнала: 2023, Номер 617(7962), С. 687 - 695

Опубликована: Май 24, 2023

Язык: Английский

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Metal halide perovskite nanocrystals for biomedical engineering: Recent advances, challenges, and future perspectives

Coordination Chemistry Reviews, Год журнала: 2023, Номер 482, С. 215073 - 215073

Опубликована: Фев. 17, 2023

Язык: Английский

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Highly Emitting Perovskite Nanocrystals with 2-Year Stability in Water through an Automated Polymer Encapsulation for Bioimaging

ACS Nano, Год журнала: 2022, Номер 16(9), С. 13657 - 13666

Опубликована: Авг. 1, 2022

Lead-based halide perovskite nanocrystals are highly luminescent materials, but their sensitivity to humid environments and biotoxicity still important challenges solve. Here, we develop a stepwise approach encapsulate representative CsPbBr3 into water-soluble polymer capsules. We show that our protocol can be extended coated with different ligands, enabling an outstanding high photoluminescence quantum yield of ∼60% is preserved over two years in capsules dispersed water. demonstrate this on-bench strategy implemented on automated platform slight modifications, granting access faster more reproducible fabrication process. Also, reveal the exploited as photoluminescent probes for cell imaging at dose low 0.3 μgPb/mL well below toxicity threshold Pb Cs ions. Our contributes expanding significantly fields applications these materials including biology biomedicine.

Язык: Английский

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Recent Advances in Lead-Free Halide Perovskites for Photocatalysis

ACS Materials Letters, Год журнала: 2022, Номер 5(1), С. 60 - 78

Опубликована: Дек. 1, 2022

Metal halide perovskites have attracted extensive attention in the field of photocatalysis, because their excellent photophysical properties, including high optical absorption coefficients, tunable band structures, and long carrier diffusion lengths. The application prospect conventional lead-based is restricted by toxicity instability issues. Therefore, it imperative to develop environmentally friendly stable lead-free (LFHPs) for photocatalysis. In recent years, rapid development LFHPs has provided new opportunities photocatalytic applications, ranging from solar-to-chemical energy conversion organic reactions. this Review, we summarize progresses with an emphasis on strategies available improve performance stability. Furthermore, present outlook future directions challenges emerging field.

Язык: Английский

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Advances in quantum dot-based biosensors for DNA-modifying enzymes assay

Coordination Chemistry Reviews, Год журнала: 2022, Номер 469, С. 214674 - 214674

Опубликована: Июнь 22, 2022

Язык: Английский

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Sensing Utilities of Cesium Lead Halide Perovskites and Composites: A Comprehensive Review

Sensors, Год журнала: 2024, Номер 24(8), С. 2504 - 2504

Опубликована: Апрель 13, 2024

Recently, the utilization of metal halide perovskites in sensing and their application environmental studies have reached a new height. Among different perovskites, cesium lead (CsPbX3; X = Cl, Br, I) composites attracted great interest applications owing to exceptional optoelectronic properties. Most CsPbX3 nanostructures possess structural stability, luminescence, electrical properties for developing distinct optical photonic devices. When exposed light, heat, water, can display stable utilities. Many been reported as probes detection diverse analytes, such ions, anions, important chemical species, humidity, temperature, radiation photodetection, so forth. So far, covering all metallic organic–inorganic already reviewed many studies. Nevertheless, detailed review utilities could be helpful researchers who are looking innovative designs using these nanomaterials. Herein, we deliver thorough composites, quantitation chemicals, explosives, bioanalytes, pesticides, fungicides, cellular imaging, volatile organic compounds (VOCs), toxic gases, radiation, photodetection. Furthermore, this also covers synthetic pathways, design requirements, advantages, limitations, future directions material.

Язык: Английский

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Defect-passivated metal halide perovskite quantum dots stabilized into biodegradable porous polydopamine nanoparticles for photothermal/chemodynamic/gas therapy of cancer

Chemical Engineering Journal, Год журнала: 2023, Номер 467, С. 143560 - 143560

Опубликована: Май 16, 2023

Язык: Английский

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Trinity Strategy: Enabling Perovskite as Hydrophilic and Efficient Fluorescent Nanozyme for Constructing Biomarker Reporting Platform

ACS Nano, Год журнала: 2023, Номер 18(1), С. 1084 - 1097

Опубликована: Дек. 27, 2023

Water instability and sensing homogeneity are the Achilles' heel of CsPbX3 NPs in biological fluids application. This work reports preparation Mn2+:CsPbCl3@SiO2 yolk–shell nanoparticles (YSNPs) aqueous solutions created through integration ligand, surface, crystal engineering strategies. The SN2 reaction between 4-chlorobutyric acid (CBA) oleylamine (OAm) yields a zwitterionic ligand that facilitates dispersion YSNPs water, while robust SiO2 shell enhances their overall stability. Besides, Mn2+ doping not only introduces second emission center but also enables potential postsynthetic designability, leading to switching from MnO2@YSNPs with excellent oxidase (OXD)-like activity. Theoretical calculations reveal electron transfer CsPbCl3 situ MnO2 adsorption–desorption process 3,3′,5,5′-tetramethylbenzidine (TMB) synergistically amplify OXD-like In presence ascorbic (AA), Mn4+ (fluorescent nanozyme) is reduced dissociated, thereby inhibiting activity triggering fluorescence "turn-on/off", i.e., dual-mode recognition. Finally, biomarker reporting platform based on fluorescent nanozyme constructed AA as reporter molecule, accurate detection human serum alkaline phosphatase (ALP) realized, demonstrating vast perovskites biosensing.

Язык: Английский

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Stabilization of halide perovskites with silicon compounds for optoelectronic, catalytic, and bioimaging applications

InfoMat, Год журнала: 2024, Номер 6(12)

Опубликована: Май 26, 2024

Abstract Silicon belongs to group 14 elements along with carbon, germanium, tin, and lead in the periodic table. Similar silicon is capable of forming a wide range stable compounds, including hydrides, organosilicons, silicic acids, oxides, silicone polymers. These materials have been used extensively optoelectronic devices, sensing, catalysis, biomedical applications. In recent years, compounds also shown be suitable for stabilizing delicate halide perovskite structures. composite are now receiving lot interest their potential use various real‐world Despite exhibiting outstanding performance perovskites susceptible breakdown presence moisture, oxygen, heat, UV light. thought excellent improving both stability perovskite‐based devices. this work, that research applications fields discussed. The interfacial stability, structure–property correlations, application aspects analyzed at molecular level. This study explores developments, difficulties, future directions associated synthesis perovskite‐silicon compounds. image

Язык: Английский

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Fluorescent solid-state strips based on SiO2 shell-stabilized perovskite nanocrystals applying for magnetic aptasensing detection of aflatoxin B1 toxin in food

Food Chemistry, Год журнала: 2024, Номер 449, С. 139316 - 139316

Опубликована: Апрель 10, 2024

Язык: Английский

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