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Continuous synthesis of metal oxide-supported high-entropy alloy nanoparticles with remarkable durability and catalytic activity in the hydrogen reduction reaction 在氢还原反应中连续合成具有显著耐久性和催化活性的金属氧化物支撑高熵合金纳米粒子
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-09-09 DOI: 10.1002/inf2.12617
Wail Al Zoubi, Stefano Leoni, Bassem Assfour, Abdul Wahab Allaf, Jee-Hyun Kang, Young Gun Ko
{"title":"Continuous synthesis of metal oxide-supported high-entropy alloy nanoparticles with remarkable durability and catalytic activity in the hydrogen reduction reaction","authors":"Wail Al Zoubi, Stefano Leoni, Bassem Assfour, Abdul Wahab Allaf, Jee-Hyun Kang, Young Gun Ko","doi":"10.1002/inf2.12617","DOIUrl":"https://doi.org/10.1002/inf2.12617","url":null,"abstract":"Metal oxide-supported multielement alloy nanoparticles are very promising as highly efficient and cost-effective catalysts with a virtually unlimited compositional space. However, controllable synthesis of ultrasmall multielement alloy nanoparticles (us-MEA-NPs) supported on porous metal oxides with a homogeneous elemental distribution and good catalytic stability during long-term operation is extremely challenging due to their oxidation and strong immiscibility. As a proof of concept that such synthesis can be realized, this work presents a general “bottom-up” l ultrasonic-assisted, simultaneous electro-oxidation–reduction-precipitation strategy for alloying dissimilar elements into single NPs on a porous support. One characteristic of this technique is uniform mixing, which results from simultaneous rapid thermal decomposition and reduction and leads to multielement liquid droplet solidification without aggregation. This process was achieved through a synergistic combination of enhanced electrochemical and plasma-chemical phenomena at the metal–electrolyte interface (electron energy of 0.3–1.38 eV at a peak temperature of 3000 K reached within seconds at a rate of ~105 K per second) in an aqueous solution under an ultrasonic field (40 kHz). Illustrating the effectiveness of this approach, the CuAgNiFeCoRuMn@MgO-P3000 catalyst exhibited exceptional catalytic efficiency in selective hydrogenation of nitro compounds, with over 99% chemoselectivity and nearly 100% conversion within 60 s and no decrease in catalytic activity even after 40 cycles (>98% conversion in 120 s). Our results provide an effective, transferable method for rationally designing supported MEA-NP catalysts at the atomic level and pave the way for a wide variety of catalytic reactions.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computing imaging in shortwave infrared bands enabled by MoTe2/Si 2D-3D heterojunction-based photodiode 基于 MoTe2/Si 2D-3D 异质结的光电二极管可实现短波红外波段的计算成像
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-27 DOI: 10.1002/inf2.12618
Dongfeng Shi, Jiawang Chen, Menglei Zhu, Zijun Guo, Zixin He, Ming Li, Di Wu, Yingjian Wang, Liang Li
{"title":"Computing imaging in shortwave infrared bands enabled by MoTe2/Si 2D-3D heterojunction-based photodiode","authors":"Dongfeng Shi, Jiawang Chen, Menglei Zhu, Zijun Guo, Zixin He, Ming Li, Di Wu, Yingjian Wang, Liang Li","doi":"10.1002/inf2.12618","DOIUrl":"https://doi.org/10.1002/inf2.12618","url":null,"abstract":"Breakthroughs brought about by two-dimensional (2D) materials in the field of photodetection have opened up new possibilities in infrared imaging. However, challenges still exist in fabricating high-density detector arrays using such materials, which are essential for traditional imaging systems. In this study, we present a state-of-the-art computing imaging system that utilizes a MoTe<sub>2</sub>/Si self-powered photodetector coupled with flexible Hadamard modulation algorithms. This system demonstrates remarkable capability to produce high-quality images in the shortwave infrared (SWIR) band, surpassing the capabilities of devices based on alternative material systems. The exceptional infrared imaging capability primarily stems from the MoTe<sub>2</sub>/Si photodetector's inherent features, including an ultra-wide spectral range (265–1550 nm) and extremely high sensitivity (linear dynamic range (LDR) up to 123 dB, responsivity (<i>R</i>) up to 0.33 A W<sup>–1</sup>, external quantum efficiency (EQE) up to 43% and a specific detectivity (<i>D</i>*) exceeding 2.9 × 10<sup>11</sup> Jones). Moreover, the imaging system demonstrates the ability to achieve high-quality edge imaging of objects in the SWIR band (1550 nm), even in strong scattering environments and under low sampling rate conditions (sampling rate of 25%). We believe that this work will effectively advance the application scope of 2D materials in the field of computational imaging in SWIR bands.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bifunctional self-segregated electrolyte realizing high-performance zinc-iodine batteries 实现高性能锌碘电池的双功能自分离电解质
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-27 DOI: 10.1002/inf2.12620
Xueting Hu, Zequan Zhao, Yongqiang Yang, Hao Zhang, Guojun Lai, Bingan Lu, Peng Zhou, Lina Chen, Jiang Zhou
{"title":"Bifunctional self-segregated electrolyte realizing high-performance zinc-iodine batteries","authors":"Xueting Hu, Zequan Zhao, Yongqiang Yang, Hao Zhang, Guojun Lai, Bingan Lu, Peng Zhou, Lina Chen, Jiang Zhou","doi":"10.1002/inf2.12620","DOIUrl":"https://doi.org/10.1002/inf2.12620","url":null,"abstract":"Static rechargeable zinc-iodine (Zn-I<sub>2</sub>) batteries are superior in safety, cost-effectiveness, and sustainability, giving them great potential for large-scale energy storage applications. However, the shuttle effect of polyiodides on the cathode and the unstable anode/electrolyte interface hinder the development of Zn-I<sub>2</sub> batteries. Herein, a self-segregated biphasic electrolyte (SSBE) was proposed to synergistically address those issues. The strong interaction between polyiodides and the organic phase was demonstrated to limit the shuttle effect of polyiodides. Meanwhile, the hybridization of polar organic solvent in the inorganic phase modulated the bonding structure, as well as the effective weakening of water activity, optimizing the interface during zinc electroplating. As a result, the Zn-I<sub>2</sub> coin cells performed a capacity retention of nearly 100% after 4000 cycles at 2 mA cm<sup>−2</sup>. And a discharge capacity of 0.6 Ah with no degradation after 180 cycles was achieved in the pouch cell. A photovoltaic energy storage battery was further achieved and displayed a cumulative capacity of 5.85 Ah. The successfully designed energy storage device exhibits the application potential of Zn-I<sub>2</sub> batteries for stationary energy storage.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Back cover image 封底图片
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-21 DOI: 10.1002/inf2.12622
Qiang Wang, Yachuan Wang, Yankun Wang, Luyue Jiang, Jinyan Zhao, Zhitang Song, Jinshun Bi, Libo Zhao, Zhuangde Jiang, Jutta Schwarzkopf, Shengli Wu, Bin Zhang, Wei Ren, Sannian Song, Gang Niu
{"title":"Back cover image","authors":"Qiang Wang,&nbsp;Yachuan Wang,&nbsp;Yankun Wang,&nbsp;Luyue Jiang,&nbsp;Jinyan Zhao,&nbsp;Zhitang Song,&nbsp;Jinshun Bi,&nbsp;Libo Zhao,&nbsp;Zhuangde Jiang,&nbsp;Jutta Schwarzkopf,&nbsp;Shengli Wu,&nbsp;Bin Zhang,&nbsp;Wei Ren,&nbsp;Sannian Song,&nbsp;Gang Niu","doi":"10.1002/inf2.12622","DOIUrl":"https://doi.org/10.1002/inf2.12622","url":null,"abstract":"<p>Hardware neuromorphic computing based on phase-change random access memories brings about a spring of artificial intelligence.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/inf2.12622","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142041642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Promoting uniform lithium deposition with Janus gel polymer electrolytes enabling stable lithium metal batteries 利用 Janus 凝胶聚合物电解质促进锂的均匀沉积,实现稳定的锂金属电池
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-14 DOI: 10.1002/inf2.12551
Lin Wang, Shugang Xu, Zihui Song, Wanyuan Jiang, Shouhai Zhang, Xigao Jian, Fangyuan Hu
{"title":"Promoting uniform lithium deposition with Janus gel polymer electrolytes enabling stable lithium metal batteries","authors":"Lin Wang, Shugang Xu, Zihui Song, Wanyuan Jiang, Shouhai Zhang, Xigao Jian, Fangyuan Hu","doi":"10.1002/inf2.12551","DOIUrl":"https://doi.org/10.1002/inf2.12551","url":null,"abstract":"Lithium metal batteries (LMBs) are desirable candidates owing to their high-energy advantage for next-generation batteries. However, the practical application of LMBs continues to be constrained by thorny safety issues with the formation and growth of Li dendrites. Herein, the ZIF-67 MOFs are in situ coupled onto a single face of 3D porous nanofiber to fabricate an asymmetric Janus membrane, harnessing their anion adsorption capabilities to promote the uniform deposition of Li ions. In addition, the poly(ethylene glycol) diacrylate and trifluoromethyl methacrylate are introduced into nanofiber skeleton to form Janus@GPE, which preferentially reacts with Li metal to form a LiF-rich stable SEI layer to inhibit Li dendrite growth. Importantly, the synergistic effect of the MOFs and stable solid electrolyte interphase (SEI) layer results in superior cycling performance, achieving a remarkable 2500 h cycling at 1 mA cm<sup>−2</sup> in the Li/Janus@GPE/Li configuration. In addition, the Janus@GPE electrolyte has a certain flame retardant, which can self-extinguish within 3 s, improving the safety performance of the batteries. Consequently, the Li/Janus@GPE/LFP flexible pouch cell exhibits favorable cycling stability (the capacity retention rate of 45 cycles is 91.8% at 0.1 C). This work provides new insights and strategies to improve the safety and practical utility of LMBs.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142185442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rational composition engineering for high-quality Pb–Sn photodetector toward sensitive near-infrared digital imaging arrays 面向灵敏近红外数字成像阵列的高质量铅锑光电探测器的合理成分工程设计
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-13 DOI: 10.1002/inf2.12615
Huan Li, Yu Gao, Xin Hong, Kanghui Ke, Zilong Ye, Siwei Zhang, Kefei Shi, Zhuo Peng, Hao Yan, Man-Chung Tang, Youwei Yao, Ben Zhong Tang, Guodan Wei, Feiyu Kang
{"title":"Rational composition engineering for high-quality Pb–Sn photodetector toward sensitive near-infrared digital imaging arrays","authors":"Huan Li, Yu Gao, Xin Hong, Kanghui Ke, Zilong Ye, Siwei Zhang, Kefei Shi, Zhuo Peng, Hao Yan, Man-Chung Tang, Youwei Yao, Ben Zhong Tang, Guodan Wei, Feiyu Kang","doi":"10.1002/inf2.12615","DOIUrl":"https://doi.org/10.1002/inf2.12615","url":null,"abstract":"Broadband photodetectors (PDs) capable of multi-wavelength detection have garnered significant interest for applications in environmental monitoring, optical communication, spectral analysis, and imaging sensing. Low-bandgap Pb–Sn hybrid perovskite photodetectors can extend the spectral response from the ultraviolet–visible (UV–vis) range to the near-infrared (NIR) and reduce the toxicity associated with Pb<sup>2+</sup>. The strategic introduction of Sn<sup>2+</sup> into Cs<sub>0.15</sub>FA<sub>0.85</sub>Pb<sub><i>x</i></sub>Sn<sub>1−<i>x</i></sub>I<sub>3</sub> (<i>x</i> = 1, 0.8, 0.6, 0.5, 0.4, 0.2, and 0) not only preserves the cubic crystal structure with conformal multigrain growth but also broadens the film's absorption spectrum from 800 to 1000 nm NIR region. This indicates a well-controlled tunability of the Pb–Sn binary perovskite system. Specifically, the self-powered photodetector with a device structure of ITO/NiO<sub><i>x</i></sub>/PTAA/Cs<sub>0.15</sub>FA<sub>0.85</sub>Pb<sub>0.5</sub>Sn<sub>0.5</sub>I<sub>3</sub>/PCBM/BCP/Ag has shown remarkable optoelectrical properties. It exhibits a high external quantum efficiency (EQE) of up to 80% across the spectrum from 300 to 1000 nm, a responsivity (<i>R</i>) exceeding 0.5 A/W, and high detectivity (<i>D</i>*) value of 1.04 × 10<sup>12</sup> <i>Jones</i> at 910 nm and 3.38 × 10<sup>11</sup> <i>Jones</i> at 1000 nm after weak attenuation. Intriguingly, the dark current of the Cs<sub>0.15</sub>FA<sub>0.85</sub>Pb<sub>0.5</sub>Sn<sub>0.5</sub>I<sub>3</sub> device is four orders of magnitude lower than that of devices made with pristine Pb or Sn only, strongly correlating with its significantly increased built-in potential and reduced trap density. Consequently, it demonstrates a −3 dB bandwidth of 2.23 × 10<sup>4</sup> Hz, fast rise and decay times of 61 and 30 μs, respectively, and a linear dynamic range (LDR) of 155 dB. Benefiting from its high sensitivity, a 5 × 5 PD array for NIR imaging and non-invasive pulse detection for photoplethysmography applications has been successfully demonstrated, showcasing the prosperous potential of Pb–Sn hybrid perovskite in the NIR range.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structure designing, interface engineering, and application prospects for sodium-ion inorganic solid electrolytes 钠离子无机固体电解质的结构设计、界面工程和应用前景
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-12 DOI: 10.1002/inf2.12606
Meng Wu, Hong Liu, Xiang Qi, Dabing Li, Chao Wang, Ce-Wen Nan, Li-Zhen Fan
{"title":"Structure designing, interface engineering, and application prospects for sodium-ion inorganic solid electrolytes","authors":"Meng Wu, Hong Liu, Xiang Qi, Dabing Li, Chao Wang, Ce-Wen Nan, Li-Zhen Fan","doi":"10.1002/inf2.12606","DOIUrl":"https://doi.org/10.1002/inf2.12606","url":null,"abstract":"All-solid Na-ion batteries (ASNIBs) present significant potential for integration into large-scale energy storage systems, capitalizing on their abundant raw materials, exemplary safety, and high energy density. Among the pivotal components propelling the advancement of ASNIBs, inorganic solid electrolytes (ISEs) have garnered substantial attention in recent years due to their high ionic conductivity (<i>σ</i>), wide electrochemical stability window (ESW), and high shear modulus. Herein, this review systematically encapsulates the latest strides in Na-ion ISEs, furnishing a comprehensive panorama of various ISE systems along with their interface engineering strategies against the electrodes. The prime focus resides in accentuating key strategies for refining ion conduction properties and interfacial compatibility of ISEs through structure design and interface modification. Furthermore, the review explores the foremost challenges and prospects inherent to sodium-ion ISEs, striving to deepen our understanding of how to engineer more robust and efficient ISEs and interface stability, poised for the forthcoming era of advanced ASNIBs.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Manipulating crystallographic growth orientation by cation‐enhanced gel‐polymer electrolytes toward reversible low‐temperature zinc‐ion batteries 通过阳离子增强凝胶聚合物电解质操纵晶体生长取向,开发可逆式低温锌离子电池
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-08 DOI: 10.1002/inf2.12611
Yanlu Mu, Fulu Chu, Baolei Wang, Taizhong Huang, Zhanyu Ding, Delong Ma, Feng Liu, Hong Liu, Haiqing Wang
{"title":"Manipulating crystallographic growth orientation by cation‐enhanced gel‐polymer electrolytes toward reversible low‐temperature zinc‐ion batteries","authors":"Yanlu Mu, Fulu Chu, Baolei Wang, Taizhong Huang, Zhanyu Ding, Delong Ma, Feng Liu, Hong Liu, Haiqing Wang","doi":"10.1002/inf2.12611","DOIUrl":"https://doi.org/10.1002/inf2.12611","url":null,"abstract":"Aqueous zinc‐ion batteries (AZIBs) have garnered significant research interest as promising next‐generation energy storage technologies owing to their affordability and high level of safety. However, their restricted ionic conductivity at subzero temperatures, along with dendrite formation and subsequent side reactions, unavoidably hinder the implementation of grid‐scale applications. In this study, a novel bimetallic cation‐enhanced gel polymer electrolyte (Ni/Zn‐GPE) was engineered to address these issues. The Ni/Zn‐GPE effectively disrupted the hydrogen‐bonding network of water, resulting in a significant reduction in the freezing point of the electrolyte. Consequently, the designed electrolyte demonstrates an impressive ionic conductivity of 28.70 mS cm−1 at −20°C. In addition, Ni2+ creates an electrostatic shielding interphase on the Zn surface, which confines the sequential Zn2+ nucleation and deposition to the Zn (002) crystal plane. Moreover, the intrinsically high activation energy of the Zn (002) crystal plane generated a dense and dendrite‐free plating/stripping morphology and resisted side reactions. Consequently, symmetrical batteries can achieve over 2700 hours of reversible cycling at 5 mA cm−2, while the Zn || V2O5 battery retains 85.3% capacity after 1000 cycles at −20°C. This study provides novel insights for the development and design of reversible low‐temperature zinc‐ion batteries.image","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141928503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-stability two-dimensional perovskite LaNb2O7 for high-performance wide-temperature (80–780 K) UV light detection and human motion detection 用于高性能宽温(80-780 K)紫外光检测和人体运动检测的高稳定性二维过氧化物 LaNb2O7
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-08-01 DOI: 10.1002/inf2.12614
Yong Zhang, Jian Yao, Lin Wang, Long Chen, Junyi Du, Pin Zhao, Qing Guo, Zhen Zhang, Lixing Kang, Xiaosheng Fang
{"title":"High-stability two-dimensional perovskite LaNb2O7 for high-performance wide-temperature (80–780 K) UV light detection and human motion detection","authors":"Yong Zhang, Jian Yao, Lin Wang, Long Chen, Junyi Du, Pin Zhao, Qing Guo, Zhen Zhang, Lixing Kang, Xiaosheng Fang","doi":"10.1002/inf2.12614","DOIUrl":"https://doi.org/10.1002/inf2.12614","url":null,"abstract":"The unity of high-stability and high-performance in two-dimensional (2D) material devices has consistently posed a fundamental challenge. Halide perovskites have shown exceptional optoelectronic properties but poor stability. Conversely, oxide perovskites exhibit exceptional stability, yet hardly achieve their high photoelectric performances. Herein, for the first time, high-stability 2D perovskite LaNb<sub>2</sub>O<sub>7</sub> (LNO) is engineered for high-performance wide-temperature UV light detection and human motion detection. High-quality LNO nanosheets are prepared by solid-state calcination and liquid-phase exfoliation technique, resulting in exceptional stability against high temperature, acid, and alkali solutions. As expected, individual LNO nanosheet device achieves ultra-wide temperature (80–780 K) and ultra-high (3.7 × 10<sup>4</sup> A W<sup>−1</sup> at 780 K) UV light detection. Importantly, it shows high responsivity (171 A W<sup>−1</sup>), extraordinary detectivity (4 × 10<sup>12</sup> Jones), fast speed (0.3/97 ms), and long-term stability under ambient conditions. In addition, wafer-scale LNO film devices can be used as pixel array detectors for UV imaging, and large-area flexible LNO film devices exhibit satisfactory photodetection performance after repeated bending tests. Interestingly, LNO nanosheets also exhibit distinct piezoelectric characteristics, which can serve as high-sensitivity stress sensors for human motion detection. These encouraging results may pave the way for more innovative advances in 2D perovskite oxide materials and their diverse applications.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Composite electrolyte with self-inserted structure and all-trans F conformation provides fast Li+ transport for solid-state Li metal batteries 具有自嵌结构和全反式 F 构象的复合电解质可为固态锂金属电池提供快速的 Li+ 传输
IF 22.7 1区 材料科学
Infomat Pub Date : 2024-07-30 DOI: 10.1002/inf2.12613
Ziyang Liang, Chang Liu, Xiang Bai, Jiahui Zhang, Xinyue Chang, Lixiang Guan, Tiantian Lu, Huayun Du, Yinghui Wei, Qian Wang, Tao Wei, Wen Liu, Henghui Zhou
{"title":"Composite electrolyte with self-inserted structure and all-trans F conformation provides fast Li+ transport for solid-state Li metal batteries","authors":"Ziyang Liang, Chang Liu, Xiang Bai, Jiahui Zhang, Xinyue Chang, Lixiang Guan, Tiantian Lu, Huayun Du, Yinghui Wei, Qian Wang, Tao Wei, Wen Liu, Henghui Zhou","doi":"10.1002/inf2.12613","DOIUrl":"https://doi.org/10.1002/inf2.12613","url":null,"abstract":"Solid-state Li metal battery has attracted increasing interests for its potentially high energy density and excellent safety assurance, which is a promising candidate for next generation battery system. However, the low ionic conductivity and Li<sup>+</sup> transport number of solid-state polymer electrolytes limit their practical application. Herein, a composite polymer electrolyte with self-inserted structure is proposed using the layered double hydroxides (LDHs) as dopant to achieve a fast Li<sup>+</sup> transport channel in poly(vinylidene-co-trifluoroethylene) [P(VDF-TrFE)] based polymer electrolyte. In such a composite electrolyte, P(VDF-TrFE) polymer has an all-trans conformation, in which all fluorine atoms locate on one side of the polymer chain, providing fast Li<sup>+</sup> transport highways. Meanwhile, the LDH can immobilize the anions of Li salts based on the electrostatic interactions, promoting the dissociation of Li salts, thereby enhancing the ionic conductivity (6.4 × 10<sup>−4</sup> S cm<sup>−1</sup>) and Li<sup>+</sup> transference number (0.76). The anion immobilization effect can realize uniform electric field distribution at the anode surface and suppress the dendritic Li growth. Moreover, the hydrogen bonding interaction between LDH and polymer chains also endows the composite electrolyte with strong mechanical properties. Thus, at room temperature, the Li || Li symmetric cells can be stably cycled over 1000 h at a current density of 0.2 mA cm<sup>−2</sup>, and the full cells with LiFePO<sub>4</sub> cathode deliver a high capacity retention (&gt;95%) after 200 cycles. This work offers a promising route to construct solid-state polymer electrolytes with fast Li<sup>+</sup> transport.","PeriodicalId":48538,"journal":{"name":"Infomat","volume":null,"pages":null},"PeriodicalIF":22.7,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141866648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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