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科普文章

18 Feb 2024

NANOX特刊征稿|聚焦基于超宽带隙的通信、成像和紫外线传感器材料

特刊详情 客座编辑 Mukesh Kumar,印度理工学院罗巴尔校区 Usha Philipose,美国北得克萨斯州大学 主题范围 The UV region of the light spectrum often eludes the naked eye and hence can be used for niche applications. With the advent of wireless technology and safe communications, UV based technologies can be utilized for non-line-of-sight communications especially for military and civil applications. Moreover, high resolution UV...

07 Feb 2024

JPhysD特刊征稿|Device Applications Based on 2D Materials

特刊详情 客座编辑 汪萨克,金陵科技学院 Minglei Sun,比利时安特卫普大学 主题范围 The discovery and isolation of graphene in 2004 was awarded the 2010 Nobel Prize in physics. Compared with traditional materials, graphene exhibits superior properties such as high strength and ultrahigh carrier mobility. Therefore, the discovery of graphene arouses intensive interest in two-dimensional (2D) materials in the world. Today, researchers...

05 Feb 2024

NANOX特刊征稿|Focus on Printed 2D Electronics

特刊详情 客座编辑 Francesca Urban,法国斯特拉斯堡大学 Stefano Ippolito,美国德雷塞尔大学 主题范围 Electronic devices have become ubiquitous in every societal aspect and their use represents the beating heart of human life. Thus, it is obvious why the scientific community is constantly seeking for innovative materials with the potential to revolutionize existing technologies and promote the development of disruptive breakthroughs in...

01 Feb 2024

ERC特刊征稿|微生物在环境可持续性和人类健康中的应用

特刊详情 客座编辑 Maulin P Shah,印度Enviro Technology公司 Alok Prasad Das,印度拉马德维女子大学   主题范围 At present the industrial and anthropogenic happenings are extremely riveting the global civilization to explore for advance technology-based answers for the rapidly increasing environmental complications and demanding a sustainable and solution. The accelerated frequency of environmental pollution and human health depletion from exposure to...

29 Jan 2024

NANO特刊精选|聚焦纳米自旋电子学和量子器件中的多物理场耦合

特刊详情 客座编辑 张刚,新加坡高性能计算研究院 Yuan Chen,澳大利亚蒙纳士大学 任天令,清华大学 主题范围 In recent years, scientists and engineers from different fields have drawn particular attention to explore physical properties and application of spintronics device, as well as quantum devices. In practical application, the coupling with external field, such as electric field, strain, and temperature, has significant impact on the performance...

25 Jan 2024

JPhysD编辑优选:梯形多孔氮化碳/硫化镉光催化产氢性能研究

本篇研究来自淮北师范大学安徽省污染物敏感材料与环境修复重点实验室代凯、张金锋课题组。本研究首先通过二乙烯三胺杂化CS构筑新型有机-无机杂化CS-D材料,进一步构筑梯形PCN/CS-D光催化剂,在提高载流子转移效率同时,能够有效提高光催化制氢的循环使用寿命,在光催化领域具有广泛的应用前景。 文章介绍 Microwave-assisted synthesis of organic–inorganic hybrid porous g-C3N4/CdS–diethylenetriamine S-scheme heterojunctions with enhanced visible light hydrogen production Dongdong Chen(陈冻冻), Xiaofeng Li(李萧风), Kai Dai(代凯), Jinfeng Zhang(张金锋) and Graham Dawson 通讯作者: 代凯,淮北师范大学安徽省污染物敏感材料与环境修复重点实验室 张金锋,淮北师范大学安徽省污染物敏感材料与环境修复重点实验室   研究背景: 随着当今社会的不断发展和各种能源的持续消耗,寻找新的绿色能源极为紧迫。利用阳光分解水在催化剂作用下产生氢气成为当前环境和能源的解决方案。未来,绿色、低碳、可持续发展将成为科学合理的选择。我们应该携手共建可持续能源供应体系即绿色、低碳、高效、智能、多样化、共享,形成以能源消费为主的新格局。光催化水分解制氢技术可以将低密度的阳光能量转化为高密度的化学物质能源,在解决能源短缺的问题上具有深远的应用前景。氮化碳(CN)由于具有合适的带隙及导带位置,价格低廉,原料易得,合成简单得到了广泛的关注。但其光催化效率低,光激发过程中的电子空穴对易复合。为了提高可见光的利用率,利用多孔氮化碳(PCN)大比表面积的优点和与其他材料的复合形成梯形异质结是一条有前途的途径。近年来,由于其高光催化活性和窄带隙,硫化镉(CS)被认为是一种具有很高应用价值的可见光光催化材料。本研究首先通过二乙烯三胺杂化CS构筑新型有机-无机杂化CS-D材料,进一步构筑梯形PCN/CS-D光催化剂,在提高载流子转移效率同时,能够有效提高光催化制氢的循环使用寿命,在光催化领域具有广泛的应用前景。   研究内容: 制备 PCN/CS-D。10克尿素和3克硫脲在研钵中研磨,直到它们混合均匀,并且然后在马弗炉中加热至550°C 2小时。这将得到的黄色粉末研磨成块状CN。最后,通过超声波得到PCN纳米片。使用一种微波方法制备复合材料。反应釜中加入24毫升二乙烯三胺和12毫升高纯水,添加0.164克 CdCl2·2.5 H2O 和0.128克升华硫搅拌。之后,相应比例的碳氮化物粉末一起加入,反应釜搅拌1小时以上,然后 80°C 下在微波反应器中加热30分钟。得到的PCN/CS-D是用无水乙醇和高纯水洗涤三次,并通过离心收集。 XRD用于检测所得的晶体结构样品。在图中,2θ=24.807°, 26.507°, 28.182°, 43.681°, 47.839°和51.824°,对应于晶面(100), (002), (101), (110), (103)和(112);它与粉末衍射标准卡片 (JCPDS no.41–1049,空间群:P63mc(186), a=b=4.141nm, c=6.720nm)。纯PCN的衍射峰位于13.0°, 对应于三-s-三嗪单元(100), 和最强峰值27.2°是由于芳烃的层间堆积。XRD图谱中的黄色部分,当PCN与CS-D结合时,随着PCN的增加,最强峰的峰面积逐渐增加。...

25 Jan 2024

NANOX特刊征稿|Nanomaterials, Nanocomposites and Applications

特刊详情 客座编辑 Vasileios Koutsos,英国爱丁堡大学 Vincent Consonni,法国格勒诺布尔-阿尔卑斯大学 主题范围 The use of nanomaterials and nanocomposites is rapidly increasing and covers a variety of industrial sectors from micro/nanoelectronics, optoelectronics, energy harvesting and storage, environment, chemical sensing, and cosmetics to structural materials, smart materials, coatings, biomedical devices and robotics. This focus issue aims to connect the fundamental studies with...

24 Jan 2024

ERC特刊征稿|Reactive Nitrogen and Atmosphere-Biosphere Interactions

特刊详情 客座编辑 U C Kulshrestha,印度贾瓦哈拉尔·尼赫鲁大学 Md Mizanur Rahman,孟加拉国班加班杜谢赫穆吉布尔拉赫曼农业大学 T K Adhya,印度卡林加工业技术学院   主题范围 Nitrogen is the most abundant gas in the atmosphere. It is an important and essential element of our life. In order to make it biologically functional, the inert nitrogen is transformed into reactive nitrogen forms such as NH3, NO3- and NO2-. The...

16 Jan 2024

IOP出版社全新期刊Sustainability Science and Technology现已开放投稿

我们很高兴地宣布,IOP出版社最新期刊Sustainability Science and Technology(SSTECH)现已开放投稿!这本全新的跨学科开放获取期刊将化学家、物理学家、材料学家和工程师联系在一起,共同创造一个更具可持续性的地球。 SSTECH期刊的独特性在于其专注解决方案。期刊将在更广泛的社会和经济背景下探索创新技术的发展。期刊上发表的每篇文章都必须展示其具有实现联合国可持续发展目标的潜力。 同时,我们的编委会成员由来自世界各地的的专家学者组成。其中来自中国的编委包括:上海交通大学张礼知教授、上海交通大学李浩副教授、台湾大学潘述元副教授等。 作为一家学会出版社,我们深知开放的出版环境对作者和读者的重要性。SSTECH期刊将在前三年内免除所有文章发表费用,消除出版障碍,让作者免费与全球读者分享他们的研究成果。 期刊介绍 Sustainability Science and Technology Sustainability Science and Technology(SSTECH)是一本跨学科的开放获取期刊,旨在介绍推动地球更可持续发展的科学、技术和工程进展。SSTECH期刊重点关注各科学和工程学科在环境、社会和经济这三大可持续发展支柱中取得的重要突破。

12 Jan 2024

ERH特刊征稿|Focus on Environmental Sustainability and Health Care

特刊详情 客座编辑 Cristina S. Richie,英国爱丁堡大学 Nancy S. Jecker,美国华盛顿大学医学院 Federica Lucivero,英国牛津大学 Gabrielle Samuel,英国伦敦国王学院 Emily Senay,美国西奈山伊坎医学院 Charles Dupras,加拿大蒙特利尔大学 Phil Mackie,英国阿伯丁大学 主题范围 According to a ground-breaking 2014 study in Environmental Research Letters, if healthcare were a country, it would be the 5th largest carbon emitter worldwide, with 2.0 gigatons of annual carbon emissions, representing 4.4% of the world’s emissions....

08 Jan 2024

NANOX特刊征稿|Focus on Photodetection Using Nanostructured Materials

特刊详情 客座编辑 Sudhir Husale,印度科学与工业研究理事会 Vidya Nand Singh,印度科学与工业研究理事会 Xu Wang,澳大利亚皇家墨尔本理工大学 主题范围 Schematic of nanostructured materials and their highly sensitive photodetection capabilities, enabling the detection of light down to the single-photon level Over the past four to five decades, the detection of light has found extensive applications across diverse fields, including digital imaging, fibre-optic communications, metrology, material...

02 Jan 2024

ERIS特刊精选|建筑环境中的资源消耗和可持续发展

特刊详情 客座编辑 Ashlynn Stillwell,美国伊利诺伊大学厄巴纳-香槟分校 Andrea Cominola,德国柏林工业大学 Cara Beal,澳大利亚格里菲斯大学   主题范围 Humans in residential, commercial, tourism, institutional, and other buildings consume water, energy, food, and other resources, such that the built environment represents an important sector impacting resource consumption and sustainability. In some built environment contexts, resource consumption data are limited due to different regulatory, technological,...