Article
Chemistry, Physical
Ning An, Zhen Guo, Jiao Xin, Yuanyuan He, Kefeng Xie, Daming Sun, Xiuyan Dong, Zhongai Hu
Summary: This study demonstrates the fabrication of a redox-active covalent organic frameworks (COFs)/graphene composite aerogel electrode, which efficiently addresses the low electrical conductivity and sluggish electron transfer issues within the organic framework, showing high specific capacitance and fast kinetics. Moreover, the binder-free redox-active COFs/graphene composite aerogel and pure graphene aerogel are assembled into an asymmetric supercapacitor, achieving excellent performance in energy density and power density.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Jun Zhou, Yuying Zheng, Dongyang Chen
Summary: By using a reduction-reaction-induced self-assembly process, a new type of three-dimensional porous aerogel with partially unzipped multiwalled carbon nanotubes inserted into graphene nanosheets was prepared. The aerogels exhibited excellent electrical contact, prevented restacking of graphene nanosheets, and provided large channels for charge transfer, resulting in promising electrode materials for supercapacitor applications.
Article
Chemistry, Multidisciplinary
Lin Zhou, Jin-Yang Hou, Yu-Ning Chen, Shao-Cheng Li, Ben-Xue Zou
Summary: Hierarchical porous heteroatom-doped carbon composites were developed through carbonization and activation processes. The introduction of graphene sheets and silk fibroins provides more hierarchical micro/meso porosities and heteroatom functionalities, resulting in fast charge/discharge kinetics and high rate capability. The as-prepared carbon composite exhibits high specific capacitance, cycling stability, and energy density.
Article
Chemistry, Physical
Sandya Rani Mangishetti, M. Kamaraj, Ramaprabhu Sundara
Summary: A strategy for preparing electrode materials with high conductivity, high surface area, and hierarchical pore structure, along with nitrogen functional groups, to enhance the electrochemical performance of electrochemical capacitors is presented. The materials consist of partially unravelled carbon nanotubes interconnected to wrinkled few layered graphene nanosheets, serving as quick ion and charge transportation channels. The addition of nitrogen-doped porous carbon further improves the electrochemical performance, with enhanced pseudocapacitance and overall supercapacitive performance. The developed electrode material shows high specific capacitance and energy density, making it a promising candidate for supercapacitor applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Materials Science, Multidisciplinary
Yaqi Chen, Lifen Tong, Guo Lin, Xiaobo Liu
Summary: In this study, SWCNTs/phthalocyanine polymer composite derived self-nitrogen-doped graphene-like porous carbon (SPCM) was synthesized through a simple solution blending and mechanical stirring method. The SPCM showed high specific capacitance and excellent stability as an electrode material for supercapacitors.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Polymer Science
Qianlan Ke, Yan Liu, Ruifang Xiang, Yuhui Zhang, Minzhi Du, Zhongxiu Li, Yi Wei, Kun Zhang
Summary: This study presents a novel strategy to fabricate nitrogen-doped porous core-sheath graphene fibers, aiming to enhance the utilization of graphene layers in fiber electrodes by introducing nitrogen doping and small-sized graphene sheets. The resulting nitrogen-doped core-sheath graphene-based fibers exhibit significantly improved electrochemical performance.
Article
Chemistry, Multidisciplinary
Yong Zhang, Liang Wei, Xijun Liu, Wenhui Ma, Jiankai Wang, Shan Fan
Summary: An easy one-pot hydrothermal strategy was utilized to prepare N/O co-enriched graphene hydrogels with excellent electrochemical properties, making them suitable as electrode materials for commercial supercapacitors.
Article
Chemistry, Physical
Fan He, Kanshe Li, Shaoling Cong, Hua Yuan, Xiaoqin Wang, Bohua Wu, Runlan Zhang, Jia Chu, Ming Gong, Shanxin Xiong, Yan Wu, Anning Zhou
Summary: The nitrogen-doped carbon skeleton synthesized in this work, utilizing a layer-shaped humate-based zeolitic imidazolate framework as a template, demonstrated high capacitance performance with rich mesoporous structure and high specific surface area.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Energy & Fuels
Lantao Liu, Baopan Du, Ran Liu, Xiaohong Chen, Huaihe Song
Summary: In this study, Znchitosan aerogels were successfully synthesized and further carbonized to obtain NHPC aerogels. Zn ions acted as activators and soft templates to fabricate hierarchical porous structures in a carbon matrix. The structure and morphology of NHPC could be controlled by adjusting the ratio of zinc-chitosan complexes. The optimal NHPC showed excellent capacity and cycle stability in three-electrode systems, and high energy density and power density in two-electrode systems.
Article
Energy & Fuels
Zhe Yuan, Yunhan Ma, Pengxue Zhang, Minghao Zhai, Chuanli Qin, Xiankai Jiang
Summary: Poplar powder was used as raw material for electrode material in supercapacitors through doping modification, carbonization, and activation. The resulting hierarchical porous carbon material exhibited a pore volume of 0.93 cm3 g-1 and a surface area of 1214.1 m2 g-1. It showed a specific capacitance of 407.5 F g-1 at 0.5 A g-1 current density, and retained 92.6% of its capacitance after 3000 cycles. Additionally, a symmetric supercapacitor achieved an outstanding power and energy density of 12.32 W h kg-1 at 499.99 W kg-1 in 6 M KOH. Co-doped porous carbon with nitrogen, phosphorous, and nickel demonstrated potential as a good electrode material for energy storage devices.
Article
Energy & Fuels
Ashwinder Kaur, Vishal Shrivastav, Prashant Dubey, Akash Deep, Isha Mudahar, Shashank Sundriyal, Sunita Mishra
Summary: Activated carbon (AC) is a low-cost porous material with high conductivity and a specific surface area. Waste-derived activated carbons (WDACs) have replaced commercially available AC due to their renewable, cost-effective, and eco-friendly characteristics. By embedding metal-organic frameworks (MOFs) in the WDAC matrix, a composite electrode is synthesized for energy storage applications. The composite electrode, which combines zinc-based zeolitic imidazole framework (ZIF-8) with waste paper-derived activated carbon (PAC-800), exhibits significantly enhanced electrochemical performance compared to pristine materials.
Article
Energy & Fuels
Zhenxiang Zhu, Zhenxing Wang, Zhaohu Ba, Jie Dong, Qinghua Zhang, Xin Zhao
Summary: A three-dimensional N- and S-doped holey graphene hydrogel was prepared to achieve optimized pore structure and high conductivity for high performance supercapacitor electrodes. The binder-free electrode exhibited excellent gravimetric and volumetric capacitance, retaining a high percentage of original capacitance after numerous cycles, showcasing great potential for practical applications.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Applied
Song Lv, Liya Ma, Xinyu Shen, Hua Tong
Summary: Porous carbon nanotubes are a promising electrode material for supercapacitors, with high specific surface area and excellent electrochemical performance. Factors affecting their growth have been identified, and discussions on the relationships between their morphology and structure have been made.
MICROPOROUS AND MESOPOROUS MATERIALS
(2021)
Article
Energy & Fuels
Huizi Li, Tingyao Du, Qin Wang, Jianyu Guo, Siyong Zhang, Yan Lu
Summary: A novel carbonization method using H2SO4 as a dehydrating agent to prepare graphitized carbon material with O doping is reported. Starch is used as the carbon source. The carbon material exhibits a specific capacitance of 354 F g-1 and a capacitance retention of 110.2% after 20,000 cycles in 1 M H2SO4 solution. N-doped carbon nanotubes are grown on the surface of the carbon material, forming a three-dimensional conductive network structure and achieving a specific surface area of 355 m2/g. The N-doped carbon material exhibits a specific capacitance of 759 F g-1 and a capacitance retention of 95.8% after 10,000 cycles in 1 M H2SO4 solution.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Maalavika S. Iyer, Ilangovan Rajangam
Summary: Composites of graphene variants were synthesized and their electrochemical performance was systematically analyzed. The results showed that physical properties played an important role in the performance, and nitrogen doped counterparts exhibited enhanced conductivity and capacitive behavior, as well as good cyclability.
COLLOID AND INTERFACE SCIENCE COMMUNICATIONS
(2022)
Article
Nanoscience & Nanotechnology
Jinwei Luo, Wenbin Zhong, Yubo Zou, Changlun Xiong, Wantai Yang
ACS APPLIED MATERIALS & INTERFACES
(2017)
Article
Nanoscience & Nanotechnology
Zhiyuan Peng, Yubo Zou, Shiqi Xu, Wenbin Zhong, Wantai Yang
ACS APPLIED MATERIALS & INTERFACES
(2018)
Article
Chemistry, Physical
Yubo Zou, Rui Liu, Wenbin Zhong, Wantai Yang
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Article
Chemistry, Physical
Yubo Zou, Zhicheng Zhang, Wenbin Zhong, Wantai Yang
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Article
Chemistry, Multidisciplinary
Yi Lin, Zeyu Chen, Chuying Yu, Wenbin Zhong
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
Engineering, Chemical
Zeyu Chen, Xiyi Tan, Chuying Yu, Wenbin Zhong
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2020)
Article
Chemistry, Multidisciplinary
Zhiyuan Peng, Wenbin Zhong
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Article
Energy & Fuels
Xinxin Liu, Chuying Yu, Zeyu Chen, Feng Xu, Wentao Liao, Wenbin Zhong
Summary: A new strategy utilizing specific catalyst, template, nitrogen source, and chemical blowing agent is proposed for preparing high-performance porous carbon materials with high surface area and doping content. The fabricated material shows excellent performance as an electrode in supercapacitors.
Article
Nanoscience & Nanotechnology
Zhiyuan Peng, Chuying Yu, Wenbin Zhong
Summary: The present study successfully fabricates a three-dimensional porous network structure with aligned channels using a confined self-assembly strategy. The network structure consists of graphene-based walls. The resulting aerogel exhibits excellent shape memory properties, high sensitivity, and large load-bearing capacity, making it suitable for water-driven artificial muscles and pressure sensors.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Wentao Liao, Chuying Yu, Zhiyuan Peng, Feng Xu, Yunhong Zhang, Wenbin Zhong
Summary: Ultralight, biocompatible, and conductive SWCNT/tannic acid (TA) and Mg2+/SWCNT/TA aerogels have been fabricated, which show high sensitivity, wide working range, low detection limit, and fast stimuli-response. They have great potential in health monitoring, human-machine interfaces, and flexible electronics.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Nanoscience & Nanotechnology
Yubo Zou, Zeyu Chen, Xu Guo, Zhiyuan Peng, Chuying Yu, Wenbin Zhong
Summary: This study presents a method for preparing graphene-based aerogels with excellent mechanical strength, elasticity, and compressibility, and demonstrates their potential application as pressure sensors.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Dan Wu, Chuying Yu, Wenbin Zhong
Summary: The use of electroactive biomass as glue to construct a nacre-mimetic graphene-based film with high strength, toughness, and energy storage performance is straightforward and effective.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Changlun Xiong, Yubo Zou, Zhiyuan Peng, Wenbin Zhong
Article
Chemistry, Physical
Dan Wu, Wenbin Zhong
JOURNAL OF MATERIALS CHEMISTRY A
(2019)
Article
Chemistry, Multidisciplinary
Laetitia Bardet, Herve Roussel, Stefano Saroglia, Masoud Akbari, David Munoz-Rojas, Carmen Jimenez, Aurore Denneulin, Daniel Bellet
Summary: The thermal instability of silver nanowires leads to increased electrical resistance in AgNW networks. Understanding the relationship between structural and electrical properties of AgNW networks is crucial for their integration as transparent electrodes in flexible optoelectronics. In situ X-ray diffraction measurements were used to study the crystallographic evolution of Ag-specific Bragg peaks during thermal ramping, revealing differences in thermal and structural transitions between bare and SnO2-coated AgNW networks.
Article
Chemistry, Multidisciplinary
Nathalia Cancino-Fuentes, Arnau Manasanch, Joana Covelo, Alex Suarez-Perez, Enrique Fernandez, Stratis Matsoukis, Christoph Guger, Xavi Illa, Anton Guimera-Brunet, Maria V. Sanchez-Vives
Summary: This study provides a comprehensive characterization of graphene-based solution-gated field-effect transistors (gSGFETs) for brain recordings, highlighting their potential clinical applications.
Article
Chemistry, Multidisciplinary
Sikandar Aftab, Hailiang Liu, Dhanasekaran Vikraman, Sajjad Hussain, Jungwon Kang, Abdullah A. Al-Kahtani
Summary: This study examines the effects of hybrid nanoparticles made of NiO@rGO and NiO@CNT on the active layers of polymer solar cells and X-ray photodetectors. The findings show that these hybrid nanoparticles can enhance the charge carrier capacities and exciton dissociation properties of the active layers. Among the tested configurations, the NiO@CNT device demonstrates superior performance in converting sunlight into electricity, and achieves the best sensitivity for X-ray detection.
Article
Chemistry, Multidisciplinary
Hyo Jung Shin, Seung Gyu Choi, Fengrui Qu, Min-Hee Yi, Choong-Hyun Lee, Sang Ryong Kim, Hyeong-Geug Kim, Jaewon Beom, Yoonyoung Yi, Do Kyung Kim, Eun-Hye Joe, Hee-Jung Song, Yonghyun Kim, Dong Woon Kim
Summary: This study investigates the role of SOX9 in reactive astrocytes following ischemic brain damage using a PLGA nanoparticle plasmid delivery system. The results demonstrate that PLGA nanoparticles can reduce ischemia-induced neurological deficits and infarct volume, providing a potential opportunity for stroke treatment.
Article
Chemistry, Multidisciplinary
Anurag Chaudhury, Koushik Debnath, Nikhil R. Jana, Jaydeep K. Basu
Summary: The study investigates the interaction between nanoparticles and cell membranes, and identifies key parameters, including charge, crowding, and membrane fluidity, that determine the adsorbed concentration and unbinding transition of nanoparticles.
Article
Chemistry, Multidisciplinary
Sina Sadeghi, Fazel Bateni, Taekhoon Kim, Dae Yong Son, Jeffrey A. Bennett, Negin Orouji, Venkat S. Punati, Christine Stark, Teagan D. Cerra, Rami Awad, Fernando Delgado-Licona, Jinge Xu, Nikolai Mukhin, Hannah Dickerson, Kristofer G. Reyes, Milad Abolhasani
Summary: In this study, an autonomous approach for the development of lead-free metal halide perovskite nanocrystals is presented, which integrates a modular microfluidic platform with machine learning-assisted synthesis modeling. This approach enables rapid and optimized synthesis of copper-based lead-free nanocrystals.
Article
Chemistry, Multidisciplinary
Zahir Abbas, Nissar Hussain, Surender Kumar, Shaikh M. Mobin
Summary: The rational construction of free-standing and flexible electrodes for electrochemical energy storage devices is an emerging research focus. In this study, a redox-active metal-organic framework (MOF) was prepared on carbon nanofibers using an in situ approach, resulting in a flexible electrode with high redox-active behavior and unique properties such as high flexibility and lightweight. The prepared electrode showed excellent cyclic retention and rate capability in supercapacitor applications. Additionally, it could be used as a freestanding electrode in flexible devices at different bending angles.
Article
Chemistry, Multidisciplinary
Lishan Zhang, Xiaoting Zhang, Hui Ran, Ze Chen, Yicheng Ye, Jiamiao Jiang, Ziwei Hu, Miral Azechi, Fei Peng, Hao Tian, Zhili Xu, Yingfeng Tu
Summary: Photodynamic therapy (PDT) is a promising local treatment modality in cancer therapy, but its therapeutic efficacy is restricted by ineffective delivery of photosensitizers and tumor hypoxia. In this study, a phototactic Chlorella-based near-infrared (NIR) driven green affording-oxygen microrobot system was developed for enhanced PDT. The system exhibited desirable phototaxis and continuous oxygen generation, leading to the inhibition of tumor growth in mice. This study demonstrates the potential of using a light-driven green affording-oxygen microrobot to enhance photodynamic therapy.
Article
Chemistry, Multidisciplinary
Yujin Li, Jing Xu, Xinqi Luo, Futing Wang, Zhong Dong, Ke-Jing Huang, Chengjie Hu, Mengyi Hou, Ren Cai
Summary: In this study, hollow heterostructured materials were constructed using an innovative template-engaged method as cathodes for zinc-ion batteries. The materials exhibited fast Zn2+ transport channels, improved electrical conductivity, and controlled volume expansion during cycling. The designed structure allowed for an admirable reversible capacity and high coulombic efficiency.
Article
Chemistry, Multidisciplinary
Paritosh Mahato, Shashi Shekhar, Rahul Yadav, Saptarshi Mukherjee
Summary: This study comprehensively elucidates the role of the core and electrostatic surface of metal nanoclusters in catalytic reduction reactions. The electrostatic surface dramatically modulates the reactivity of metal nanoclusters.
Article
Chemistry, Multidisciplinary
Pei Liu, Mengdi Liang, Zhengwei Liu, Haiyu Long, Han Cheng, Jiahe Su, Zhongbiao Tan, Xuewen He, Min Sun, Xiangqian Li, Shuai He
Summary: This study demonstrates a simple and environmentally-friendly method for the synthesis of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE). The WHE-ZnO NZs exhibit exceptional peroxidase-like activity and serve as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). In addition, a straightforward colorimetric technique for detecting both H2O2 and glucose was developed using the WHE-ZnO NZs as peroxidase-like catalysts.
Article
Chemistry, Multidisciplinary
Hyunkyu Oh, Young Jun Lee, Eun Ji Kim, Jinseok Park, Hee-Eun Kim, Hyunsoo Lee, Hyunjoo Lee, Bumjoon J. Kim
Summary: Mesoporous carbon particles have unique structural properties that make them suitable as support materials for catalytic applications. This study investigates the impact of channel nanostructures on the catalytic activity of porous carbon particles (PCPs) by fabricating PCPs with controlled channel exposure on the carbon surface. The results show that PCPs with highly open channel nanostructures exhibit significantly higher catalytic activity compared to those with closed channel nanostructures.
Article
Chemistry, Multidisciplinary
Yunjie Lu, Zhaohui Li, Zewei Li, Shihao Zhou, Ning Zhang, Jianming Zhang, Lu Zong
Summary: A tough, long-lasting adhesive and highly conductive nanocomposite hydrogel (PACPH) was fabricated via the synergy of interfacial entanglement and adhesion group densification. PACPH possesses excellent mechanical properties, interfacial adhesion strength, and conductivity, making it a promising material for long-term monitoring of human activities and electrocardiogram signals.
Article
Chemistry, Multidisciplinary
Zichao Wei, Audrey Vandergriff, Chung-Hao Liu, Maham Liaqat, Mu-Ping Nieh, Yu Lei, Jie He
Summary: We have developed a simple method to prepare polymer-grafted plasmonic metal nanoparticles with pH-responsive surface-enhanced Raman scattering. By using pH-responsive polymers as ligands, the aggregation of nanoparticles can be controlled, leading to enhanced SERS. The pH-responsive polymer-grafted nanoparticles show high reproducibility and sensitivity in solution, providing a novel approach for SERS without the need for sample pre-concentration.
Article
Chemistry, Multidisciplinary
Melis Ozge Alas Colak, Ahmet Gungor, Merve Buldu Akturk, Emre Erdem, Rukan Genc
Summary: This research investigates the effect of functionalizing carbon dots with hydroxyl polymers on their performance as electrode materials in a supercapacitor. The results show that the functionalized carbon dots exhibit excellent electrochemical performance and improved stability.
