Explanipedia

Multi‐Stimuli‐Responsive Dielectric Composites: Composition–Structure–Nanoscale Mechanism–Function Framework for Dynamic Dielectric Engineering Open

Xianhua Huan, Siheng Liu, Enbo Zhou, Jiachen Sun, Qianpeng Zhang , et al. · 2025

Dielectric materials are crucial in various fields, including catalysis, energy storage, flexible electronics, and biosensing, and have consequently attracted sustained research interest. Recent reviews have summarized advances in dielectr…

Vacuum Thermal Evaporation for OLEDs: Fundamentals, Optimization, and Implications for Perovskite LEDs Open

Chenxi Shen, Ying Hu, Siqian Zhou, Ziquan He, Jiantao Han , et al. · 2025

Organic light‐emitting diodes (OLEDs) are central to high‐end displays and solid‐state lighting due to their small thickness and high flexibility, wide color gamut, and low power consumption. While solution processing offers simplicity and…

Ultrapure and efficient electroluminescence in alkali metal doped inorganic perovskite quantum wires arrays Open

Yang Cao, Yu Fu, Yu Zhou, Xiao Qiu, Daquan Zhang , et al. · 2025

Alkali metal doping has been widely utilized to regulate metal halide perovskites and improve their luminescence performance. However, due to the discordant tolerance factor caused by the smaller size of potassium and rubidium ions, it is …

Pixelation of perovskite quantum wire thin films with 0.18-μm features and 63,500-ppi pixel density Open

Qianpeng Zhang, X. F. Sun, Guan-Yu Chen, Zichao Ma, Daquan Zhang , et al. · 2025

Halide perovskite materials excel in broad optoelectronic applications, and there is an urgent demand to develop perovskite-based integrated optoelectronic devices. However, the limitations posed by the incompatibility of perovskite thin f…

Flexible perovskite light-emitting diodes: recent progress, applications and challenges Open

Ying Li, Tong Gao, Ziquan He, Chenxi Shen, Siqian Zhou , et al. · 2025

Significant progress has been made in perovskite light-emitting diodes (PeLEDs) over the past decade, with external quantum efficiencies (EQEs) exceeding 30% for green and red emissions, and 20% for blue emissions. However, the performance…

Perovskite Light‐Emitting Diodes with Quantum Wires and Nanorods Open

Qianpeng Zhang, Daquan Zhang, Zebing Liao, Yang Cao, Kumar Mallem , et al. · 2024

Perovskite materials, celebrated for their exceptional optoelectronic properties, have seen extensive application in the field of light‐emitting diodes (LEDs), where research is as abundant as the proverbial “carloads of books.” In this re…

Roadmap on Perovskite Light-Emitting Diodes Open

Ziming Chen, Robert L. Z. Hoye, Hin‐Lap Yip, Nadesh Fiuza‐Maneiro, Iago López‐Fernández , et al. · 2024

In recent years, the field of metal-halide perovskite emitters has rapidly emerged as a new community in solid-state lighting. Their exceptional optoelectronic properties have contributed to the rapid rise in external quantum efficiencies …

An ultrawide field-of-view pinhole compound eye using hemispherical nanowire array for robot vision Open

Yu Zhou, Zhibo Sun, Yucheng Ding, Zhengnan Yuan, Xiao Qiu , et al. · 2024

Garnering inspiration from biological compound eyes, artificial vision systems boasting a vivid range of diverse visual functional traits have come to the fore recently. However, most of these artificial systems rely on transformable elect…

Full-color fiber light-emitting diodes based on perovskite quantum wires Open

Beitao Ren, Daquan Zhang, Xiao Qiu, Yucheng Ding, Qianpeng Zhang , et al. · 2024

Fiber light-emitting diodes (Fi-LEDs), which can be used for wearable lighting and display devices, are one of the key components for fiber/textile electronics. However, there exist a number of impediments to overcome on device fabrication…

Roadmap on perovskite light-emitting diodes Open

Ziming Chen, Robert Z. Hoye, Hin‐Lap Yip, Nadesh Fiuza‐Maneiro, Iago López‐Fernández , et al. · 2024

In recent years, the field of metal-halide perovskite emitters has rapidly emerged as a new community in solid-state lighting. Their exceptional optoelectronic properties have contributed to the rapid rise in external quantum efficiencies …

Quasi-two dimensional Ruddlesden-Popper halide perovskites for laser applications Open

Kun Chen, Qianpeng Zhang, Yin Liang, Jiepeng Song, Chun Li , et al. · 2023

Quasi-two-dimensional (2D) Ruddlesden–Popper (RP) halide perovskites, as a kind of emerged two-dimensional layered materials, have recently achieved great attentions in lasing materials field owing to their large exciton binding energy, hi…

Bio-inspired visual systems based on curved image sensors and synaptic devices Open

Zhenghao Long, Yucheng Ding, Swapnadeep Poddar, Leilei Gu, Qianpeng Zhang , et al. · 2023

Vision is our dominant sense and is also highly desired in artificial systems. In this article, we provide an overview of bio-inspired visual systems that utilize curved image sensors and/or photonic synapses. The use of curved detector ge…

High-efficiency, flexible and large-area red/green/blue all-inorganic metal halide perovskite quantum wires-based light-emitting diodes Open

Yang Cao, Daquan Zhang, Qianpeng Zhang, Xiao Qiu, Yu Zhou , et al. · 2023

Self-Generated Buried Submicrocavities for High-Performance Near-Infrared Perovskite Light-Emitting Diode Open

Jiong Li, Chenghao Duan, Qianpeng Zhang, Chang Chen, Qiaoyun Wen , et al. · 2023

Non-invasive and quantitive analysis of flatfoot based on ultrasound Open

Zhende Jiang, Qianpeng Zhang, Lei Ren, Zhihui Qian · 2022

Flatfoot is a common foot deformity that seriously affects the quality of life. The aim of this study is to develop an accurate and noninvasive method for the diagnosis of flatfoot based on B-mode ultrasound. In this study, 51 patients (th…

Uncooled self-powered hemispherical biomimetic pit organ for mid- to long-infrared imaging Open

Yucheng Ding, Gongze Liu, Zhenghao Long, Yu Zhou, Xiao Qiu , et al. · 2022

Infrared vision is highly desirable for applications in multifarious fields. Of the few species with this visual capability, snakes have exceptional infrared perception with the assistance of pit organs. Inspired by the pit organ design we…

Compound dietary fiber and high-grade protein diet improves glycemic control and ameliorates diabetes and its comorbidities through remodeling the gut microbiota in mice Open

Yinhua Ni, Aqian Zheng, Yating Hu, Nianke Rong, Qianpeng Zhang , et al. · 2022

Dietary intervention with a low glycemic index and full nutritional support is emerging as an effective strategy for diabetes management. Here, we found that the treatment of a novel compound dietary fiber and high-grade protein diet (CFP)…

Robust Lead‐Free Perovskite Nanowire Array‐Based Artificial Synapses Exemplifying Gestalt Principle of Closure via a Letter Recognition Scheme Open

Swapnadeep Poddar, Zhesi Chen, Zichao Ma, Yuting Zhang, Chak Lam Jonathan Chan , et al. · 2022

Perovskite Nanowires A vertically integrated perovskite nanowire array is used by Zhiyong Fan and co-workers (article number 2200065) to develop artificial neuron-synapse interconnects. With an aim to make AI vision more human-like and imp…

Robust Lead‐Free Perovskite Nanowire Array‐Based Artificial Synapses Exemplifying Gestalt Principle of Closure via a Letter Recognition Scheme Open

Swapnadeep Poddar, Zhesi Chen, Zichao Ma, Yuting Zhang, Chak Lam Jonathan Chan , et al. · 2022

The Gestalt principles of perceptual learning elucidate how the human brain categorizes and comprehends a set of visual elements grouped together. One of the principles of Gestalt perceptual learning is the law of closure which propounds t…

Highly efficient blue light-emitting diodes with tunable wavelength using vertically graded bandgap quasi-2D perovskite films Open

Zhiyong Fan, Lei Shu, Qianpeng Zhang, Swapnadeep Poddar, Daquan Zhang , et al. · 2021

Metal halide perovskite materials have emerged as a unique class of solution process compatible semiconductors and alluring candidates for high-performance optoelectronic applications^1,2,3, especially light-emitting diodes (LEDs…

Three-dimensional perovskite nanowire array–based ultrafast resistive RAM with ultralong data retention Open

Yuting Zhang, Swapnadeep Poddar, He Huang, Leilei Gu, Qianpeng Zhang , et al. · 2021

Stable high-density perovskite nanowire array Re-RAMs report unprecedented long retention time and fast switching speed.

Moth eye‐inspired highly efficient, robust, and neutral‐colored semitransparent perovskite solar cells for building‐integrated photovoltaics Open

Yiyi Zhu, Lei Shu, Qianpeng Zhang, Yudong Zhu, Swapnadeep Poddar , et al. · 2021

Semi‐transparent perovskite solar cells (ST‐PSCs) engendered enormous attention for practical applications such as power generation windows. However, it is still challenging to achieve high‐performance, robust and neutral‐colored ST‐PSCs. …

Design of a Horizontally Aligned Perovskite Nanowire LED With Improved Light Extraction Open

Qianpeng Zhang, Yuanjing Lin, Haoning Tang, Xiaofei Sun, Yang Cao , et al. · 2021

Within a short span of a few years, metal halide perovskite light-emitting diodes (LEDs) have shot past the 20 percent external quantum efficiency mark. As the material quality and photoluminescent quantum yield of perovskite are already a…

Scalable All‐Evaporation Fabrication of Efficient Light‐Emitting Diodes with Hybrid 2D–3D Perovskite Nanostructures Open

Yu Fu, Qianpeng Zhang, Daquan Zhang, Yunqi Tang, Lei Shu , et al. · 2020

Quasi‐2D (Q2D) lead halide perovskites have emerged as promising materials for light‐emitting diodes (LEDs) due to their tunable emission, slowed‐down carrier diffusion, and improved stability. However, they are primarily fabricated throug…

A biomimetic eye with a hemispherical perovskite nanowire array retina Open

Leilei Gu, Swapnadeep Poddar, Yuanjing Lin, Zhenghao Long, Daquan Zhang , et al. · 2020

Vapor phase fabrication of three‐dimensional arrayed BiI<sub>3</sub> nanosheets for cost‐effective solar cells Open

Yiyi Zhu, Qianpeng Zhang, Matthew Kam, Swapnadeep Poddar, Leilei Gu , et al. · 2019

Multilayered photovoltaic absorbers have triggered widespread attention for their unique structure and properties. However, multilayered materials in the randomly oriented polycrystalline thin‐film lead to ineffective carrier transport and…

Room-Temperature Sputtered SnO2 as Robust Electron Transport Layer for Air-Stable and Efficient Perovskite Solar Cells on Rigid and Flexible Substrates Open

Matthew Kam, Qianpeng Zhang, Daquan Zhang, Zhiyong Fan · 2019

Extraordinary photovoltaic performance and intriguing optoelectronic properties of perovskite solar cells (PSCs) have aroused enormous interest from both academic research and photovoltaic (PV) industry. In order to bring PSC technology fr…

Increasing Photoluminescence Quantum Yield by Nanophotonic Design of Quantum-Confined Halide Perovskite Nanowire Arrays Open

Daquan Zhang, Leilei Gu, Qianpeng Zhang, Yuanjing Lin, Der‐Hsien Lien , et al. · 2019

High-photoluminescence quantum yield (PLQY) is required to reach optimal performance in solar cells, lasers, and light-emitting diodes (LEDs). Typically, PLQY can be increased by improving the material quality to reduce the nonradiative re…

Efficient metal halide perovskite light-emitting diodes with significantly improved light extraction on nanophotonic substrates Open

Qianpeng Zhang, Mohammad Mahdi Tavakoli, Leilei Gu, Daquan Zhang, Lei Tang , et al. · 2019

Metal halide perovskite has emerged as a promising material for light-emitting diodes. In the past, the performance of devices has been improved mainly by optimizing the active and charge injection layers. However, the large refractive ind…

Minimizing spurious features in 16S rRNA gene amplicon sequencing Open

Jing Wang, Qianpeng Zhang, Guojun Wu, Chenhong Zhang, Menghui Zhang , et al. · 2018

The 16S rRNA gene amplicon sequencing is a widely used high-throughput method for the taxonomic inference in microbial communities. Many data analysis pipelines have been developed to enhance the accuracy in reflecting the real taxonomy, i…

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