Progress in Natural Science: Materials International最新文献

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Dynamic recrystallization mechanism, texture evolution development and mechanical characteristics of a Mg–8.7Gd–4.18Y–0.42Zr magnesium alloy by ECAP 利用 ECAP 技术研究 Mg-8.7Gd-4.18Y-0.42Zr 镁合金的动态再结晶机制、纹理演变发展和力学特性
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.04.002
Ling Zhang , Yinglong Li
{"title":"Dynamic recrystallization mechanism, texture evolution development and mechanical characteristics of a Mg–8.7Gd–4.18Y–0.42Zr magnesium alloy by ECAP","authors":"Ling Zhang ,&nbsp;Yinglong Li","doi":"10.1016/j.pnsc.2024.04.002","DOIUrl":"10.1016/j.pnsc.2024.04.002","url":null,"abstract":"<div><p>Equal channel angle pressing is recognized for its ability to refine alloy grains and alter grain orientation, thereby achieve better mechanical performance of the magnesium alloy. This study investigates the microstructures, dynamic recrystallization mechanism, texture development, and mechanical performance of GW94K (Mg–8.7Gd–4.18Y–0.42Zr wt. %) Mg alloy following ECAP-4 passes at 400 ​°C and 3 ​mm/min. Results show that when high-temperature deformation is undertaken, twin formation is suppressed while dislocation slip is facilitated, increasing dislocation density during deformation. Following ECAP deformation, the sample displayed higher fracture elongation, TYS, and UTS than the as-solutioned GW94K alloy. In particular, the GW94K alloy performed well mechanically after ECAP-4 passes, with an ultimate TYS of 231 ​MPa, an UTS of 290 ​MPa, and an elongation of 14.8 ​%. DDRX and shear bands induce CDRX, both of which are important in plastic deformation. as well as in modifying microstructure and grain orientation during ECAP deformation.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 376-388"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140782811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Hemin-functionalized polypyrrole/paper-derived biochar electrocatalysts: Enhanced sensor platforms for H2O2 血红素功能化聚吡咯/纸衍生生物炭电催化剂:增强型 H2O2 传感器平台
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.02.017
Yuhang Jiang , Tianshuang Bao , Xiangchuan Zhao , Qi Wang , Yue Cao , Jun Cao , Xingxiang Ji , Weimeng Si
{"title":"Hemin-functionalized polypyrrole/paper-derived biochar electrocatalysts: Enhanced sensor platforms for H2O2","authors":"Yuhang Jiang ,&nbsp;Tianshuang Bao ,&nbsp;Xiangchuan Zhao ,&nbsp;Qi Wang ,&nbsp;Yue Cao ,&nbsp;Jun Cao ,&nbsp;Xingxiang Ji ,&nbsp;Weimeng Si","doi":"10.1016/j.pnsc.2024.02.017","DOIUrl":"10.1016/j.pnsc.2024.02.017","url":null,"abstract":"<div><p>As a H<sub>2</sub>O<sub>2</sub> electrochemical biomimetic enzyme sensor, the stability, repeatability and sensitivity of hemin-based composites are closely connected with the loading of hemin on high-performance matrix. Herein, polypyrrole/paper-derived carbon (PPy/PC) nanocomposite was used for the construction of a hemin-based non-enzymatic sensor to detect H<sub>2</sub>O<sub>2</sub>. Where the poplar wood is used to obtain crude cellulose through a straightforward paper-making process. This crude cellulose is then subjected to pyrolysis to yield the desired paper-based carbon material. The hemin-decorated PPy/PC was demonstrated possessing remarkable electrocatalytic activity for H<sub>2</sub>O<sub>2</sub> reduction, and the possible mechanism of the reactions was discussed. The electrochemical sensor, utilizing the H-PPy/PC composite, achieved a low detection limit of 30 ​nM, along with enhanced selectivity and stability under optimized conditions. The favorable results observed can primarily be attributed to the superior electrochemical performance of PPy/PC, as well as its unique 3D interconnected structure. This structure effectively impedes the self-dimerization of hemin, thereby ensuring the generation of active catalytic species.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 280-289"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140126631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Bimagnetic metal constructed core-shell structure of Fe@Co nanowires for multi-band microwave absorption 用于多波段微波吸收的双磁性金属构建的铁@钴纳米线核壳结构
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.03.008
Ping-an Yang , Rui Cai , Haibo Ruan , Nanqing Zhang , Xin Huang , Rui Li , Yuxin Zhang , Yi Lu , Zhihao Zhou
{"title":"Bimagnetic metal constructed core-shell structure of Fe@Co nanowires for multi-band microwave absorption","authors":"Ping-an Yang ,&nbsp;Rui Cai ,&nbsp;Haibo Ruan ,&nbsp;Nanqing Zhang ,&nbsp;Xin Huang ,&nbsp;Rui Li ,&nbsp;Yuxin Zhang ,&nbsp;Yi Lu ,&nbsp;Zhihao Zhou","doi":"10.1016/j.pnsc.2024.03.008","DOIUrl":"10.1016/j.pnsc.2024.03.008","url":null,"abstract":"<div><p>Controlled fabrication of materials by surface modification techniques has been a hot research topic. In this paper, one-dimensional (1D) core-shell structure Fe@Co nanowires (NWs) were successfully prepared by anchoring 0-dimensional (0D) Co nanoparticles on 1D Fe NWs based on the in situ reduction method. The electromagnetic parameters of the specimens at a filler mass fraction of 25 ​wt% were tested and the microwave loss mechanism was deeply analyzed. Binary magnetic metals in a core-shell structure have excellent multi-band microwave absorption capability (S-band, X-band and Ku-band). This is due to the heterogeneous interface and magnetic coupling effects tuning the dielectric and magnetic loss. This study offers a workable plan for creating effective multi-band magnetic metal-based microwave absorbers.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 354-361"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140778715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Defective NH2-UiO-66 for effective Pb(II) removal: Facile fabrication strategy, performances and mechanisms 用于有效去除铅(II)的缺陷 NH2-UiO-66:简易制备策略、性能和机理
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.04.009
Meng-Yuan Liu, Lu Zhang, Yu-Hang Li, Chong-Chen Wang, Peng Wang, Chen Zhao, Huifen Fu
{"title":"Defective NH2-UiO-66 for effective Pb(II) removal: Facile fabrication strategy, performances and mechanisms","authors":"Meng-Yuan Liu,&nbsp;Lu Zhang,&nbsp;Yu-Hang Li,&nbsp;Chong-Chen Wang,&nbsp;Peng Wang,&nbsp;Chen Zhao,&nbsp;Huifen Fu","doi":"10.1016/j.pnsc.2024.04.009","DOIUrl":"10.1016/j.pnsc.2024.04.009","url":null,"abstract":"<div><p>Defective NH<sub>2</sub>-UiO-66 adsorbent (named as NH<sub>2</sub>-UiO-66-SD) was successfully fabricated via post-synthesis method with the aid of both sodium carbonate anhydrous (Na<sub>2</sub>CO<sub>3</sub>) and diethylenetriaminepentaacetic acid (DTPA), in which the defective structure was confirmed by various characterizations. The as-obtained defective NH<sub>2</sub>-UiO-66-SD exhibited outstanding Pb(II) sorption capacity (172.21 ​mg ​g<sup>−1</sup>) and rapid diffusion rate (29.87 ​mg ​g<sup>−1</sup> min<sup>−0.5</sup>) at room temperature with optimal pH being 5.47. The Pb(II) sorption behavior was conformed to pseudo-second-order kinetics and Langmuir model, demonstrating that the chemical sorption of the monolayer played a dominant model. As well, the thermodynamic parameters like standard Gibbs free energy change Δ<em>G</em><sup>o</sup> (−31.21 ​kJ ​mol<sup>−1</sup>), standard enthalpy change Δ<em>H</em><sup>o</sup> (12.79 ​kJ<sup>−1</sup> ​mol<sup>−1</sup>) and standard entropy change Δ<em>S</em><sup>o</sup> (146.73 ​J ​mol<sup>−1</sup> ​K<sup>−1</sup>) revealed that the Pb(II) sorption process of NH<sub>2</sub>-UiO-66-SD was spontaneous, endothermic and disordered. Furthermore, the NH<sub>2</sub>-UiO-66-SD exhibited desirable desorption and recirculation performances (removal efficiencies &gt;85 ​% in 5 runs) with ideal stability. Moreover, the Pb(II) sorption mechanism of NH<sub>2</sub>-UiO-66-SD mainly included the electrostatic attractions and coordinative interactions. Overall, this work offered an intriguing method of fabricating defective NH<sub>2</sub>-UiO-66 adsorbent, which vastly enhanced adsorption efficiency for toxic metal ions elimination from wastewater.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 420-428"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140793314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Effect of different metal element substitution on microstructural and comprehensive hydrogen storage performance of Ti0·9Zr0·1Mn0·95Cr0·7V0.2M0.15 (M = Fe, Co, Ni, Cu, Mo) alloy 不同金属元素替代对 Ti0-9Zr0-1Mn0-95Cr0-7V0.2M0.15(M = Fe、Co、Ni、Cu、Mo)合金微观结构和综合储氢性能的影响
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.02.008
Baojia Ni , Jianhui Zhu , Guo Yang , Linhua Xu , Haiyan Leng , Wei Liu , Taijun Pan , Xingbo Han , Lijun Lv
{"title":"Effect of different metal element substitution on microstructural and comprehensive hydrogen storage performance of Ti0·9Zr0·1Mn0·95Cr0·7V0.2M0.15 (M = Fe, Co, Ni, Cu, Mo) alloy","authors":"Baojia Ni ,&nbsp;Jianhui Zhu ,&nbsp;Guo Yang ,&nbsp;Linhua Xu ,&nbsp;Haiyan Leng ,&nbsp;Wei Liu ,&nbsp;Taijun Pan ,&nbsp;Xingbo Han ,&nbsp;Lijun Lv","doi":"10.1016/j.pnsc.2024.02.008","DOIUrl":"10.1016/j.pnsc.2024.02.008","url":null,"abstract":"<div><p>Hydrogen is now being used as a renewable clean energy carrier. One of the main issues with the application of hydrogen energy is a shortage of security and efficient hydrogen storage technology. TiMn-based alloys are considered promising hydrogen storage materials, but their comprehensive hydrogen storage properties and cyclic stable performance limit their further practical application. The hydrogen storage properties of alloys can be enhanced by substituting transition metal elements. Therefore, the comprehensive hydrogen storage performance of the Ti<sub>0·9</sub>Zr<sub>0·1</sub>Mn<sub>0·95</sub>Cr<sub>0·7</sub>V<sub>0.2</sub><em>M</em><sub>0.15</sub> (<em>M</em> ​= ​Fe, Co, Ni, Cu, Mo) alloys was systematically investigated according to the Mn element on the B side is partially replaced by variety of transition metal elements. The <em>M</em> ​= ​Ni alloy, which showed the highest hydrogen storage capacity among the group of alloys, was used to explore cycle stability. The plateau pressures of the series alloys decreased in order, Fe ​&gt; ​Co ​&gt; ​Ni ​&gt; ​Cu ​&gt; ​Mo. Aspects of hydrogen absorption kinetics, all of the alloys can reach full hydrogen absorption saturation within 400 ​s at 303 ​K. The Ti<sub>0·9</sub>Zr<sub>0·1</sub>Mn<sub>0·95</sub>Cr<sub>0·7</sub>V<sub>0·2</sub><em>M</em>o<sub>0.15</sub> alloy possessed the fastest hydrogen absorption kinetic rate (<em>t</em><sub>0.9</sub> ​= ​65 ​s) and the smallest hysteresis factor. This suggests that the substitution of Mo elements is effective in improving the hysteresis of the Laves phase alloys. Among the series of alloys, the <em>M</em> ​= ​Ni alloy exhibited the best overall hydrogen storage performance, which hydrogen storage capacity can reach 1.81 ​wt% and 97% of its capacity is kept after 100 cycles.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 304-313"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140268229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
From longan peel waste to energy storage: Porous activated carbon as a cathode matrix for advanced Li/Na-selenium batteries 从龙眼皮废弃物到能源储存:多孔活性炭作为先进锂/钽硒电池的阴极基质
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.03.004
Mustafa Khan , Suxia Yan , Mujahid Ali , Faisal Mahmood , Yang Zheng , Xiaohui Song , Guochun Li , Junfeng Liu , Yong Wang
{"title":"From longan peel waste to energy storage: Porous activated carbon as a cathode matrix for advanced Li/Na-selenium batteries","authors":"Mustafa Khan ,&nbsp;Suxia Yan ,&nbsp;Mujahid Ali ,&nbsp;Faisal Mahmood ,&nbsp;Yang Zheng ,&nbsp;Xiaohui Song ,&nbsp;Guochun Li ,&nbsp;Junfeng Liu ,&nbsp;Yong Wang","doi":"10.1016/j.pnsc.2024.03.004","DOIUrl":"10.1016/j.pnsc.2024.03.004","url":null,"abstract":"<div><p>This paper explores the potential of Longan peel waste (LPw) as a sustainable and cost-effective matrix for selenium-based cathodes in Li-Se and Na-Se batteries. Following activation, we created LP<sub>2</sub>—a designation for the carbon precursor derived from LPw, activated at a 1:2 ratio of carbonized LPw to KOH. This nomenclature, where ‘LP' stands for ‘Longan peel' and ‘2′ reflects the optimization of this ratio, led to a hierarchical porous structure with an average pore size of 3.0307 ​nm and a significant BET surface area of 111.9386 ​m<sup>2</sup> ​g<sup>-1</sup>. Selenium was incorporated into the LP<sub>2</sub> matrix using a simple melt diffusion technique, yielding the composite Se@LP<sub>2</sub>. In Li-Se batteries, Se@LP<sub>2</sub> exhibited an initial discharge capacity of 1033.75 mAh g⁻<sup>1</sup> ​at 0.1C. At a 1C rate, the composite demonstrated a capacity retention of 301.14 mAh g⁻<sup>1</sup> after 550 cycles and 380.91 mAh g⁻<sup>1</sup> after 100 cycles. Moreover, for Na-Se batteries, the composite showcased a capacity retention of 347.18 mAh g⁻<sup>1</sup> after 100 cycles at 0.1C. These findings underscore LP<sub>2</sub>'s potential as a viable and efficient matrix for selenium-based cathodes, revealing promising prospects for the advancement of highly efficient Li-Se and Na-Se batteries.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 329-337"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140279805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
One-step hydrothermal synthesis of few-layered metallic phase MoS2 for high-performance supercapacitors 一步水热法合成用于高性能超级电容器的少层金属相 MoS2
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.04.011
Jing Xu , Xulong Yuan , Yujie Zhao , Shaoqi Rui , Qingling Jia , Han Li , Shun Lu , Bing Li , Yongxing Zhang , Xuebin Zhu
{"title":"One-step hydrothermal synthesis of few-layered metallic phase MoS2 for high-performance supercapacitors","authors":"Jing Xu ,&nbsp;Xulong Yuan ,&nbsp;Yujie Zhao ,&nbsp;Shaoqi Rui ,&nbsp;Qingling Jia ,&nbsp;Han Li ,&nbsp;Shun Lu ,&nbsp;Bing Li ,&nbsp;Yongxing Zhang ,&nbsp;Xuebin Zhu","doi":"10.1016/j.pnsc.2024.04.011","DOIUrl":"10.1016/j.pnsc.2024.04.011","url":null,"abstract":"<div><p>In recent years, molybdenum disulfide (MoS<sub>2</sub>) has gained significant attention in the scientific community. Few-layered MoS<sub>2</sub> demonstrates unique properties and potential applications. However, the synthesis of few-layered and high-purity 1T-MoS<sub>2</sub> is still a challenge. In this study, we successfully employed a hydrothermal method to synthesize few-layered and high-purity 1T-MoS<sub>2</sub>. The purity of the material is controlled by a combination of sodium borohydride and ethanol. Notably, the few-layered 1T-MoS<sub>2</sub> exhibits exceptional performance as a supercapacitor, including the high specific capacitance (250.3 ​F ​g<sup>−1</sup> at a current density of 1 ​A ​g<sup>−1</sup>) and excellent long-trem cycling stability (90.7 ​% after 5000 cycles). Meanwhile, the asymmetric device assembled by 6-FL-1T-MoS<sub>2</sub> and active carbon on carbon cloths exhibits excellent flexibility and high energy and power density (23.1 ​μWh cm<sup>−2</sup> at 600 ​μW ​cm<sup>−2</sup>, 55 ​μWh cm<sup>−2</sup> at 12000 ​μW ​cm<sup>−2</sup>). This work provides valuable insights into the synthesis of few-layered and high-purity 1T-MoS<sub>2</sub>, opening up new avenues for further research and applications.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 429-436"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140790269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Amorphous electrocatalysts for urea oxidation reaction 用于尿素氧化反应的非晶态电催化剂
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.04.001
Fenghui Guo , Dongle Cheng , Qian Chen , Hao Liu , Zhiliang Wu , Ning Han , Bing-Jie Ni , Zhijie Chen
{"title":"Amorphous electrocatalysts for urea oxidation reaction","authors":"Fenghui Guo ,&nbsp;Dongle Cheng ,&nbsp;Qian Chen ,&nbsp;Hao Liu ,&nbsp;Zhiliang Wu ,&nbsp;Ning Han ,&nbsp;Bing-Jie Ni ,&nbsp;Zhijie Chen","doi":"10.1016/j.pnsc.2024.04.001","DOIUrl":"10.1016/j.pnsc.2024.04.001","url":null,"abstract":"<div><p>Electrochemical urea oxidation reaction (UOR) is a promising alternative to oxygen evolution reaction (OER) for realizing energy-saving hydrogen production. Developing efficient electrocatalysts for UOR becomes a central challenge. Recently, amorphous materials have been extensively used as UOR catalysts because of their numerous defective sites and flexible electronic properties. In this review, recent advancements in the development of amorphous UOR electrocatalysts are analyzed. The UOR mechanism is discussed, and the design of amorphous catalysts is then analyzed. The main catalyst design strategies are illustrated, including nanostructure control, heteroatom doping, composition regulation, and heterostructure construction. Also, electrocatalysts’ structure-performance correlation is interpreted. Perspectives in this field are proposed for guiding future studies on the development of high-performance amorphous catalysts towards energy sustainability.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 362-375"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140790603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Defects in monolayer WS2 grown via sulfurization of WSe2 通过硫化 WSe2 生长的单层 WS2 中的缺陷
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.02.016
Shunhui Zhang , Xiang Lan , Hang Liu , Xuyang Zhang , Baihui Zhang , Zhikang Ao , Tian Zhang , Peng Chen , Xiangdong Yang , Fangping Ouyang , Zhengwei Zhang
{"title":"Defects in monolayer WS2 grown via sulfurization of WSe2","authors":"Shunhui Zhang ,&nbsp;Xiang Lan ,&nbsp;Hang Liu ,&nbsp;Xuyang Zhang ,&nbsp;Baihui Zhang ,&nbsp;Zhikang Ao ,&nbsp;Tian Zhang ,&nbsp;Peng Chen ,&nbsp;Xiangdong Yang ,&nbsp;Fangping Ouyang ,&nbsp;Zhengwei Zhang","doi":"10.1016/j.pnsc.2024.02.016","DOIUrl":"10.1016/j.pnsc.2024.02.016","url":null,"abstract":"<div><p>The conversion of chalcogen atoms into other types of chalcogen atoms in transition metal dichalcogenides exhibits significant advantages in tuning the bandgaps and constructing lateral heterojunctions. However, despite atomic defects at the atomic scale were inevitably formed during conversion process, the construction of dislocations remains difficult. Here, we conducted in-situ sulfurization to achieve structural transformation from monolayer WSe<sub>2</sub> to WS<sub>2</sub> successfully. We probe these transformations at atomic scale using high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM) and study structural defects of sulfurized-WS<sub>2</sub> by strain and displacement fields. We discovered that high-quality WSe<sub>2</sub> flakes were completely sulfurized while dislocations were successfully constructed, manifesting atomic surface roughness and structural disorders. Our work provides insights into designing and optimizing customized Transition metal dichalcogenides (TMDs) materials in controlled synthesis and defect engineering.</p></div>","PeriodicalId":20742,"journal":{"name":"Progress in Natural Science: Materials International","volume":"34 2","pages":"Pages 323-328"},"PeriodicalIF":4.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140272421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
S-scheme heterojunction construction of Fe/BiOCl/BiVO4 for enhanced photocatalytic degradation of ciprofloxacin 用于增强环丙沙星光催化降解的 Fe/BiOCl/BiVO4 S 型异质结构造
IF 4.7 2区 材料科学
Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI: 10.1016/j.pnsc.2024.02.018
Guanlong Yu , Qifang Sun , Yi Yang , Si Chen , Yuannan Long , Yifu Li , Shiyong Ge , Dian Zheng
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