Unique Optoelectronic Properties and Applications of Lead‐Free Perovskites and Derivatives DOI Creative Commons
Mingbian Li, Weijun Li, Haotong Wei

et al.

Advanced Photonics Research, Journal Year: 2024, Volume and Issue: unknown

Published: July 10, 2024

The pursuit of lead‐free alternatives to lead halide perovskites has gained significant momentum due the environmental concerns associated with toxicity. adverse effects on human health and environment have prompted a shift toward developing sustainable eco‐friendly perovskite materials for various optoelectronic devices. This is particularly vital in emerging technologies where play crucial role, such as solar cells, X‐ray detectors, photodetectors, light‐emitting diodes (LEDs), etc. Consequently, it paramount understand fundamental properties, synthesis methods, structural characteristics perovskites. review aims provide comprehensive analysis intricate relationship between structures properties perovskites, shedding light their applications across diverse fields. focus environmentally benign, high‐performing, underscores urgency significance research efforts driving development efficient technologies.

Language: Английский

Large-Area Transparent Antimony-Based Perovskite Glass for High-Resolution X-ray Imaging DOI

Tiao Feng,

Zi’an Zhou,

Yi’ni An

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(26), P. 16715 - 16725

Published: June 14, 2024

Nonlead low-dimensional halide perovskites attract considerable attention as X-ray scintillators. However, most scintillation screens exhibit pronounced light scattering, which detrimentally reduces the quality of imaging. Herein, we employed a simple and straightforward solvent-free melt-quenching method to fabricate large-area zero-dimension (0D) antimony-based perovskite transparent medium, namely (C

Language: Английский

Citations

20
Integrated Multifunctional Platform with X-ray and Near-Infrared Driven Photochromic Behavior for Reversible Quad-Mode Optical Imaging DOI

Rongyi Kuang,

Huiwang Lian, Meng Gao

et al.

ACS Materials Letters, Journal Year: 2025, Volume and Issue: unknown, P. 820 - 828

Published: Jan. 31, 2025

Noninvasive optical imaging techniques, including X-ray and near-infrared (NIR), hold significant value for scientific research industrial applications. However, there is still a lack of convenient platform that integrates NIR in both bright- dark-field Here, rare-earth ion-doped LaNbO4:Pr,Er photochromic luminescent material developed, integrating X-ray-induced coloration, NIR-induced bleaching, photoluminescence, luminescence modulation. Under alternating light irradiation, the reflectivity intensity can be reversibly tuned to display four states: white, black, dark, bright. By utilizing switchable states, quad-mode bright dark fields achieved. photobleaching imaging, when employed as adjuncts has potential significantly reduce radiation-induced damage biological tissues. These results provide unique insights designing advanced materials photonic storage technologies toward multiwavelength, multienvironment, multimode noninvasive imaging.

Language: Английский

Citations

2
Bandgap Narrowing in Europium(II)-Based Bromide Hybrids toward Improved X-ray Scintillation and Imaging DOI
Jiance Jin, Kai Han, Yuzhen Wang

et al.

Chemistry of Materials, Journal Year: 2024, Volume and Issue: 36(9), P. 4813 - 4820

Published: April 26, 2024

Chemical design of luminescent metal halides as high-performance X-ray scintillators is in urgent demand. Herein, rare earth Eu(II) was innovated a B-site cation to create brand-new halide scintillators, and regulating bandgap further developed via organic molecule based on the same anionic chain [EuBr3MeOH]nn–, namely, [Cat]EuBr3MeOH [Cat = 1-butyl-1-methylpiperidinium (PP14), 1-propyl-1-methylpiperidinium (PP13), 1-ethyl-3-methylimidazolium (Emim)]. Owing smaller [Emim]Br, [Emim]EuBr3MeOH possesses an enhanced light yield 43,000 ± 100 ph MeV–1 scintillators. The conjugated attribute Emim+ also contributes π–π stacking, resulting more rigid structure, reducing nonradiative transition. scintillator film by using emanates spatial resolution above 10 lp mm–1. This study provides principle cations screening engineering for enhancing property exemplifies novel materials family hybrids potential

Language: Английский

Citations

10
Metal halide perovskite polymer composites for indirect X-ray detection DOI Creative Commons
Shruti J. Saiji, Yiteng Tang, Shin‐Tson Wu

et al.

Nanoscale, Journal Year: 2024, Volume and Issue: 16(38), P. 17654 - 17682

Published: Jan. 1, 2024

With versatile synthesis routes and adaptable structures, metal halide perovskites show excellent scintillating performance, but stability issues remain. Perovskite-polymer composites boost stability, enabling advanced radiation detection.

Language: Английский

Citations

5
Activate Reconstruction from Sb3+/Ho3+ Synergistic Doping Nanofibers for Interactive Information Encryption and Customized Display DOI Open Access
Xiaolong Dong, Xin Zhao, Yuhang Zhang

et al.

Laser & Photonics Review, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 12, 2025

Abstract Driven by the escalating demand for cutting‐edge materials in interactive encryption and customized display, optimization of excitonic coupling mechanisms perovskite‐based luminescent systems has emerged as a pivotal focus advanced research. Inspired synergistic doping (SD), photoswitchable energy transfer channel is realized utilizing UV‐responsive Cs 2 NaInCl 6 : Sb 3+ ‐Ho (CNIC: Sb‐Ho) phosphor. Benefiting from self‐trapped exciton , visible blue luminescence Ho achieves excitation reconstruction through SD, with sensitization coefficient to CNIC reaching two orders magnitude. Notably, CNIC: Sb‐Ho quantum dot embedded into polyacrylonitrile (PAN) polymethyl methacrylate (PMMA) fibers, respectively, distinct color coordinate channels are created altering concentration fiber matrix, thereby enabling personalization customization desired colors enhanced precision. Furthermore, excellent read‐in performance under UV irradiation achieved screen‐printing microcrystal on nanofibers combining it ACSII code, which endows UV‐induced controllable shape programming behavior multidimensional information encryption. This work establishes an visual interaction framework effectively integrating perovskite fluorescence tunability nanofiber adaptive structures, thus opening new possibilities smart application next‐generation optical technology.

Language: Английский

Citations

0
High-Resolution X-ray Imaging Based on One-dimensional Copper-Silver-Based Metal Halide Scintillators DOI
Chao Wang, Jie Feng, Dongting Wang

et al.

Journal of Luminescence, Journal Year: 2025, Volume and Issue: unknown, P. 121213 - 121213

Published: March 1, 2025

Language: Английский

Citations

0
Large‐Area Stable Flexible X‐Ray Scintillation Screens with Group IIB Ions Doped CsMnCl3 Microcrystals DOI
Wenqing Liang,

Huimin Tong,

Jingwei Zhu

et al.

Laser & Photonics Review, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Abstract Lead‐free metal halide perovskites and derivatives microcrystals (MCs) have become emerging candidates for X‐ray scintillation imaging applications. However, the luminescent properties of micrometric crystals need to be further improved, development flexible screens utilizing large‐scale MCs remains a significant challenge. Here, all‐inorganic manganese (Mn)‐based perovskite CsMnCl 3 are reported by room‐temperature solution‐synthesized co‐precipitation method. Introducing an amount Group IIB divalent cations (i.e., Zn Cd in this work) into greatly increases photoluminescence quantum yield (PLQY) from 48.2% 92.3% :1.5% (82.5% :1%Cd MCs). The feature excellent performance achieve low detection limit 22.53 nGy air s −1 . Furthermore, solvent engineering adding n‐hexane mixture doped polydimethylsiloxane (PDMS) assists fabricating 100 cm 2 large‐area uniform screens. As result, spatial resolution :1.5%Zn@PDMS achieves 7.6 line pairs (lp) mm , which is among best values @PDMS In addition, high‐resolution applications non‐planar objects achieved. work offers promising approach develop high‐performance based on large‐size imaging.

Language: Английский

Citations

0
Hydrochloric Acid-Assisted Layered Perovskite CsMnCl3 2H2O Single Crystals for Sensitive and Stable X-ray Detection with Anisotropic Response DOI
Wenqing Liang, Shengqiang Ren, Xia Hao

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: April 8, 2025

Low-dimensional lead-free perovskite single crystals (SCs) have exhibited great potential in high-energy ionizing radiation detections owing to their outstanding sensitivity and charge transport properties. However, the preparation of chlorine-based SCs is more challenging due low solubility organic solvents acidic solutions. In this work, we report a universal growth strategy hydrochloric acid-assisted temperature lowering for low-dimensional layered CsMnCl3·2H2O SCs. Compared with prepared by solution evaporation crystallization, centimeter-sized were achieved ultrahigh crystal quality, showing very small full width at half-maximum 0.02° plane (002). Our CsMnCl3 2H2O X-ray detector shows unique anisotropic detecting performance parallel perpendicular (002) plane. An ultralow detection limit 9.3 nGyair s-1 has been obtained, which significantly lower than 5.5 μGyair required regular medical diagnostics. Furthermore, device enhanced stability slight degradation 8% after storage air ambient 6 months. work suggests promising approach fabricate high-quality sensitive stable applications.

Language: Английский

Citations

0
Cerium(III) Bromide Hybrid with Near-Unity Photoluminescence Quantum Efficiency for High-Resolution and Fast X-ray Imaging DOI Creative Commons
Jiance Jin, Kai Han, Yuzhen Wang

et al.

Fundamental Research, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Language: Английский

Citations

0
Transparent Perovskite Wafers via Nanocrystals Ordered Coalescence Toward Sensitive and Stable X‐Ray Detection and Imaging DOI Open Access
Wenyan Tan,

Yingrui Xiao,

Chao Zhou

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 5, 2024

Abstract Metal halide perovskite wafers have shown significant potential in large‐area X‐ray detection and imaging. However, a distinct difference optical transparency between state‐of‐the‐art single crystals indicates the inferior crystal quality of wafers, which limits performance stability wafer‐based detectors. Here, nano‐sized MAPbBr 3 powders are utilized to fabricate dense by low‐temperature hot‐pressing with high above 60% within 552–800 nm wavelength range. Adjacent nanocrystals assemble following ordered coalescence mechanism, resulting exclusion nanoscopic pores crystallographic reorientation. The transparent detectors achieve an impressively sensitivity 1.14 × 10 5 µC Gy air −1 cm −2 low limit 149 nGy s , is superior opaque wafer (5.64 4 316.7 ) comparable single‐crystal Moreover, demonstrate uniformity outstanding under continuous irradiation total dose up 5.9 equaling 29 500 times posteroanterior chest examinations. lead clear imaging performance.

Language: Английский

Citations

3