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Leaf-based energy harvesting and storage utilizing hygroscopic iron hydrogel for continuous power generation

Nature communications 2025年第1期16卷 5267页

作者： Shuai Guo Yaoxin Zhang Zhen Yu Ming Dai Xuanchen Liu Hongbo Wang Siqi Liu J Justin Koh Wanxin Sun Yuanping Feng Yuanzheng Chen Lin Yang Peng Sun Geyu Lu Cunjiang Yu Wenshuai Chen Stefaan De Wolf Zuankai Wang Swee Ching Tan Department of Materials Science and Engineering 9 Engineering Drive 1 Singapore 117575 Singapore. China-UK Low Carbon College Shanghai Jiao Tong University Shanghai 201306 P.R. China. Key Laboratory of Bio-based Material Science and Technology Ministry of Education Northeast Forestry University Harbin 150040 P.R. China. Department of Mechanical Engineering The Hong Kong Polytechnic University Hong Kong P.R. China. Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way Innovis #08-03 Singapore 138634 Singapore. Division of Nano Surfaces Bruker Corporation 11 Biopolis Way Singapore 138667 Singapore. Department of Physics National University of Singapore 2 Science Drive 3 Singapore 117551 Singapore. School of Physical Science and Technology Key Laboratory of Advanced Technologies of Materials Southwest Jiaotong University Chengdu 610031 P.R. China. Key Laboratory of Optoelectronic Technology and System of Ministry of Education College of Optoelectronic Engineering Chongqing University Chongqing 400044 P. R. China. State Key Laboratory on Integrated Optoelectronics College of Electronic Science and Engineering Jilin University Changchun China. Department of Electrical and Computer Engineering University of Illinois Urbana-Champaign Urbana IL 61801 USA. Department of Materials Science and Engineering University of Illinois Urbana-Champaign Urbana IL USA. Department of Mechanical Science and Engineering University of Illinois Urbana-Champaign Urbana IL USA. Department of Bioengineering Materials Research Laboratory Beckman Institute for Advanced Science and Technology Nick Holonyak Micro and Nanotechnology Laboratory University of Illinois Urbana-Champaign Urbana IL USA. Key Laboratory of Bio-based Material Science and Technology Ministry of Education Northeast Forestry University Harbin 150040 P.R. China. chenwenshuai@nefu.edu.cn. Physical and Engineering Division (PSE) Kin

In the era of big data, developing next-generation self-powered continuous energy harvesting systems is of great importance. Taking advantage of fallen leaves' specific structural advantage gifted by nature, we propose a facile approach to convert fallen leaves into energy harvesters from ubiquitous moisture, based on surface treatments and asymmetric coating of hygroscopic iron hydrogels. Upon moisture absorption, a water gradient is established between areas with/without hydrogel coating, and maintained due to gel-like behaviors and leaf veins for water retention and diffusion restriction, thus forming electrical double layers over the leaf surface and showing capacitance-like behavior for energy charging and discharging. Besides, the specific leaf cell structures with small grooves enabled uniform carbon coatings instead of aggregations, and high electrical conductivity, resulting in 49 μA/cm and 497 μW/cm electrical output, achieving competitive performance with the state-of-art and potential for lower environmental impact compared to other types of energy harvesters.

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Flexible Electronics: Flexible, Strong, Anisotropic Wood-Derived Conductive Circuit (Adv. Sustainable Syst. 6/2021)

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Advanced Sustainable Systems 2021年第6期5卷

作者： Hao Sun Tong Ji Hongjie Bi Xin Lin Chen Chen Min Xu Liping Cai Zhenhua Huang Key Laboratory of Bio-Based Material Science and Technology Ministry of Education School of Material Science and Engineering Northeast Forestry University Harbin 150040 P. R. China Department of Mechanical Engineering University of North Texas Denton TX 76203 USA College of Materials Science and Engineering Nanjing Forestry University Nanjing 210037 P. R. China

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二维材料最新研究进展

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物理化学学报 2021年第12期37卷 1-151页

作者：常诚陈伟陈也陈永华陈雨丁峰樊春海范红金范战西龚成宫勇吉何其远洪勋胡晟胡伟达黄维黄元季威李德慧李连忠李强林立凌崇益刘鸣华刘楠刘庄 Kian Ping Loh 马建民缪峰彭海琳邵明飞宋礼苏邵孙硕谭超良唐智勇王定胜王欢王金兰王欣王欣然 Andrew T.S.Wee 魏钟鸣吴宇恩吴忠帅熊杰熊启华徐伟高尹鹏曾海波曾志远翟天佑张晗张辉张其春张铁锐张翔赵立东赵美廷赵伟杰赵运宣周凯歌周兴周喻朱宏伟张华刘忠范 Institute of Science and Technology Austria Am Campus 13400 KlosterneuburgAustria Department of Chemistry National University of Singapore3 Science Drive 3117543Singapore Department of Chemistry The Chinese University of Hong KongShatinNew TerritoriesHong KongChina Key Laboratory of Flexible Electronics and Institute of Advanced Materials Nanjing Tech UniversityNanjing 211816China School of Life Sciences Shanghai UniversityShanghai 200444China Centre for Multidimensional Carbon Materials Institute for Basic ScienceUlsan 44919Korea School of Chemistry and Chemical Engineering Shanghai Jiao Tong UniversityShanghai 200240China School of Physical and Mathematical Sciences Nanyang Technological UniversitySingapore 637371Singapore Department of Chemistry City University of Hong KongKowloonHong KongChina Department of Electrical and Computer Engineering and Quantum Technology Center University of MarylandCollege ParkMaryland 20742USA School of Materials Science and Engineering Beihang UniversityBeijing 100191China Department of Materials Science and Engineering City University of Hong KongKowloonHong KongChina Center of Advanced Nanocatalysis(CAN) Hefei National Laboratory for Physical Sciences at the MicroscaleDepartment of Applied ChemistryUniversity of Science and Technology of ChinaHefei 230026China College of Chemistry and Chemical Engineering State Key Laboratory of Physical Chemistry of Solid SurfacesCollaborative Innovation Center of Chemistry for Energy Materials(iChEM)Xiamen UniversityXiamen361005Fujian ProvinceChina State Key Laboratory of Infrared Physics Shanghai Institute of Technical PhysicsChinese Academy of SciencesShanghai 200083China Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijing100081China Beijing Key Laboratory of Optoelectronic Functional Materials&Micro-Nano Devices Department of PhysicsRenmin University of ChinaBeijing 100872China School of Optical and Electronic Information Wuhan National Laboratory

Research on two-dimensional(2D) materials has been explosively increasing in last seventeen years in varying subjects including condensed matter physics, electronic engineering, materials science, and chemistry since the mechanical exfoliation of graphene in 2004. Starting from graphene, 2D materials now have become a big family with numerous members and diverse categories. The unique structural features and physicochemical properties of 2D materials make them one class of the most appealing candidates for a wide range of potential applications. In particular, we have seen some major breakthroughs made in the field of 2D materials in last five years not only in developing novel synthetic methods and exploring new structures/properties but also in identifying innovative applications and pushing forward commercialisation. In this review, we provide a critical summary on the recent progress made in the field of 2D materials with a particular focus on last five years. After a brief backgroundintroduction, we first discuss the major synthetic methods for 2D materials, including the mechanical exfoliation, liquid exfoliation, vapor phase deposition, and wet-chemical synthesis as well as phase engineering of 2D materials belonging to the field of phase engineering of nanomaterials(PEN). We then introduce the superconducting/optical/magnetic properties and chirality of 2D materials along with newly emerging magic angle 2D superlattices. Following that, the promising applications of 2D materials in electronics, optoelectronics, catalysis, energy storage, solar cells, biomedicine, sensors, environments, etc. are described sequentially. Thereafter, we present the theoretic calculations and simulations of 2D materials. Finally, after concluding the current progress, we provide some personal discussions on the existing challenges and future outlooks in this rapidly developing field.

关键词： Two-dimensional materials Transition metal dichalcogenides Phase engineering of nanomaterials Electronics Optoelectronics Catalysis Energy storage and conversion

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Back Cover: Distinct Sustainable Carbon Nanodots Enable Free Radical Photopolymerization, Photo-ATRP and Photo-CuAAC Chemistry (Angew. Chem. Int. Ed. 19/2021)

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Angewandte Chemie International Edition 2021年第19期60卷

作者： Dr. Ceren Kütahya Yingxiang Zhai Prof. Dr. Shujun Li Prof. Dr. Shouxin Liu Prof. Dr. Jian Li Prof. Dr. Veronika Strehmel Prof. Dr. Zhijun Chen Prof. Dr. Bernd Strehmel Department of Chemistry Institute for Coatings and Surface Chemistry Niederrhein University of Applied Sciences Adlerstr. 1 47798 Krefeld Germany Northeast Forestry University Key Laboratory of Bio-based Material Science and Technology of Ministry of Education Hexing Road 26 150040 Harbin China

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Rücktitelbild: Verschiedene nachhaltige Kohlenstoffnanopunkte für die freie radikalische Photopolymerisation, die Photo-ATRP und die Photo-CuACC Chemie (Angew. Chem. 19/2021)

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Angewandte Chemie 2021年第19期133卷

作者： Dr. Ceren Kütahya Yingxiang Zhai Prof. Dr. Shujun Li Prof. Dr. Shouxin Liu Prof. Dr. Jian Li Prof. Dr. Veronika Strehmel Prof. Dr. Zhijun Chen Prof. Dr. Bernd Strehmel Fachbereich Chemie Institut für Lacke und Oberflächenchemie Hochschule Niederrhein Adlerstr. 1 47798 Krefeld Deutschland Northeast Forestry University Key Laboratory of Bio-based Material Science and Technology of Ministry of Education Hexing Road 26 150040 Harbin China

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A sustainable and effective potassium hydroxide pretreatment of wheat straw for the production of fermentable sugars

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bioresource technology Reports 2018年 3卷 169-176页

作者： Xie, Xuejin Feng, Xiaoyan Chi, Shanshan Zhang, Yuedong Yu, Guang Liu, Chao Li, Zhenqiu Li, Bin Peng, Hui College of Marine Science and Biological Engineering Qingdao University of Science & Technology Qingdao266400 China CAS Key Laboratory of Bio-based Material CAS Key Laboratory of Biofuels Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of Sciences QingdaoShandong266101 China Dalian National Laboratory for Clean Energy Chinese Academy of Sciences QingdaoShandong266101 China

The development of sustainable and effective pretreatment technology is of critical importance for the conversion of lignocelluloses into bioethanol. In this work, KOH pretreatment of wheat straw with the supplement of anthraquinone (AQ) and sodium lignosulfonate (SLS) was investigated under the relatively mild conditions. The effectiveness of KOH pretreatment was evaluated by enzymatic saccharification. It was found that after the KOH pretreatment with 15% KOH, 0.1% AQ and 2% SLS at 120 °C for 40 min, the final total sugar yields (glucose + xylose + soluble xylan) could reach up to 80%, which was 16% higher as compared to the KOH pretreatment without addition of AQ and SLS under the same conditions. In addition, the spent liquor could be reused twice to maintain a relatively good effectiveness of pretreatment, and it could be used to produce fertilizer due to the high content of potassium. © 2018 Elsevier Ltd

关键词： Potassium hydroxide

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Verschiedene nachhaltige Kohlenstoffnanopunkte für die freie radikalische Photopolymerisation, die Photo-ATRP und die Photo-CuACC Chemie

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Angewandte Chemie 2021年第19期133卷

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Cellulose: Cellulose-based Flexible Functional materials for Emerging Intelligent Electronics (Adv. Mater. 28/2021)

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Advanced materials 2021年第28期33卷

作者： Dawei Zhao Ying Zhu Wanke Cheng Wenshuai Chen Yiqiang Wu Haipeng Yu Key Laboratory of Bio-based Material Science and Technology of Ministry of Education Northeast Forestry University Harbin 150040 P. R. China Institute of Industrial Chemistry and Energy Technology Shenyang University of Chemical Technology Shenyang 110142 P. R. China College of Materials Science and Technology Central South University of Forestry and Technology Changsha 410004 P. R. China

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Bridged Pt−OH−Mn Mediator in N-coordinated Mn Single Atoms and Pt Nanoparticles for Electrochemical biomolecule Oxidation and Discrimination

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Angewandte Chemie 2024年第31期136卷

作者： Xiaoqian Wei Yanjuan Lin Zhenwei Wu Yiwei Qiu Yinjun Tang Miharu Eguchi Toru Asahi Yusuke Yamauchi Chengzhou Zhu State Key Laboratory of Green Pesticide International Joint Research Center for Intelligent Biosensing Technology and Health College of Chemistry Central China Normal University Wuhan 430079 P. R. China Faculty of Science and Engineering Waseda University 3-4-1 Okubo Shinjuku Tokyo 169-8555 Japan Department of Materials Process Engineering Graduate School of Engineering Nagoya University Nagoya 464-8603 Japan Key Laboratory of Bio-based Material Science and Technology of the Ministry of Education Northeast Forestry University Harbin 150040 P. R. China Australian Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland Brisbane QLD 4072 Australia Department of Plant & Environmental New Resources College of Life Sciences Kyung Hee University 1732 Deogyeong-daero Giheung-gu Yongin-si Gyeonggi-do 17104 South Korea

The rational design of efficient catalysts for uric acid (UA) electrooxidation, as well as the establishment of structure-activity relationships, remains a critical bottleneck in the field of electrochemical sensing. To address these challenges, herein, a hybrid catalyst that integrates carbon-supported Pt nanoparticles and nitrogen-coordinated Mn single atoms (Pt NPs /MnNC) is developed. The metal-metal interaction during annealing affords the construction of metallic-bonded Pt−Mn pairs between Pt NPs and Mn single atoms, facilitating the electron transfer from Pt NPs to the support and thereby optimizing the electronic structure of catalysts. More importantly, experiments and theoretical calculations provide visual proof for the ‘incipient hydrous oxide adatom mediator’ mechanism for UA oxidation. The Pt−Mn pairs first adsorb OH* to construct the bridged Pt−OH−Mn mediators to serve as a highly active intermediate for N−H bond dissociation and proton transfer. Benefiting from the unique electronic and geometric structure of the catalytic center and reactive intermediates, Pt NPs /MnNC exhibits superior electrooxidation performance. The electrochemical sensor based on Pt NPs /MnNC enables sensitive detection and discrimination of UA and dopamine in serum samples. This work offers new insights into the construction of novel electrocatalysts for sensitive sensing platforms.

关键词： electrochemical sensors electrocatalysis uric acid single-atom catalysts nanoparticles

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Lichtinduzierte Polymerisation katalysiert durch Kohlenstoff-Nanomaterialien

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Angewandte Chemie 2023年第18期136卷

作者： Dr. Xiongfei Luo Yingxiang Zhai Dr. Ping Wang Prof. Dr. Bing Tian Prof. Dr. Shouxin Liu Prof. Dr. Jian Li Prof. Dr. Chenhui Yang Prof. Dr. Veronika Strehmel Prof. Dr. Shujun Li Prof. Dr. Krzysztof Matyjaszewski Dr. Gorkem Yilmaz Prof. Dr. Bernd Strehmel Prof. Dr. Zhijun Chen Key Laboratory of Bio-based Material Science & Technology Northeast Forestry University Ministry of Education Hexing Road 26 Harbin 150040 China Northeast Forestry University College of Chemistry Chemical Engineering and Resource Utilization Hexing Road 26 Harbin 150040 China Hochschule Niederrhein Fachbereich Chemie Institut für Lacke und Oberflächenchemie Adlerstr. 1 D-47798 Krefeld Bundesrepublik Deutschland Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA-15213 USA Department of Chemistry Faculty of Science and Letters Istanbul Technical University 34469 Maslak Istanbul Turkey

Kohlenstoffnanomaterialien insbesondere Kohlenstoffpunkte und Kohlenstoffnitride spielen als heterogene Photoinitiatoren sowohl in radikalischen als auch in kationischen Polymerisationsprozessen eine besondere Rolle. Diese kürzlich eingeführten materialien stellen herausragende Lösungen im Hinblick auf die Grenzen der gegenwärtigen homogenen Systeme dar und zeigen eine neue Herangehensweise für die Photopolymerisation. Dieser Übersichtsartikel stellt die Herstellung und die photokatalytische Leistungsfähigkeit dieser Nanomaterialien in den Mittelpunkt und hebt ihre Anwendung in verschiedenen Polymerisationstechniken einschließlich der photoinduzierten a) freien radikalischen, b) RAFT, c) ATRP und d) kationischen Polymerisation hervor. Außerdem diskutiert er deren Potential im Hinblick auf die gegenwärtigen Herausforderungen und erläutert Perspektiven auf diesem Gebiet. Darüber hinaus zeigen insbesondere Kohlenstoffnitride eine außergewöhnliche Sauerstofftoleranz, was für radikalische Polymerisationsprozesse von besonderer Bedeutung ist und Anwendungen wie beispielsweise den 3D Druck, Oberflächemodifizierungen von Überzügen und die technische Entwicklung von Hydrogelen erlaubt.

关键词： Kohlenstoffpunkte Kohlenstoffnitride radikalische Photopolymerisation RDRP kationische Photopolymerisation

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