Article
Engineering, Environmental
Xu Liu, Yan Zhou, Chao-Li Wang, Yong Liu, Duan-Jian Tao
Summary: N-OMCs synthesized through a solvent-free self-assembly method exhibit excellent performance in CO2 capture and oxygen reduction reaction, with high nitrogen content and superior properties.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Ying Shao, Ze-yu Hu, Yan Yao, Xiang-ru Wei, Xing-min Gao, Zhang-xiong Wu
Summary: Nitrogen-doped ordered mesoporous carbons (N-OMCs) were synthesized using a solvent-free nanocasting method, and the effects of different parameters on their physicochemical properties were studied. The N-OMCs exhibited high performance in supercapacitors and electrocatalytic oxygen reduction reaction.
NEW CARBON MATERIALS
(2022)
Article
Chemistry, Physical
Zhi Xu, Le Li, Xiaoxia Chen, Guyu Xiao
Summary: A novel fabrication strategy was used to prepare high-performance N,S-codoped mesoporous carbons as ORR catalysts, with abundant catalytic active sites and shallow mesopores that greatly enhance catalytic performances.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Uiseok Jeong, HyeonJi Kim, Sreerangappa Ramesh, Nesibe A. Dogan, Sirinapa Wongwilawan, Sungsu Kang, Jungwon Park, Eun Seon Cho, Cafer T. Yavuz
Summary: A new and rapid synthetic route for N-doped ordered mesoporous carbon structure was reported by preferential heating of iron oxide nanoparticles by microwaves. The well-defined cubic mesoporous carbon structure showed remarkable improvement in hydrogen desorption kinetics as a host scaffold for NaAlH4, attributed to their ordered pore structure and N-doping effect.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Aling Chen, Qingfeng Yi, Kuang Sheng, Yuebing Wang, Jiangchuan Chen, Qiaoli Zhang, Kaiwen Xiang, Guanghua Tan
Summary: Research on high-efficiency oxygen reduction reaction (ORR) catalysts under neutral conditions has stagnated. However, the synthesis of three-dimensional porous N/P codoped carbon nanosheet composites (CNP@PNS) in this study has shown significant improvements in electrocatalytic performance, surpassing commercial Pt/C catalysts. The prepared catalysts have been successfully applied in neutral metal-air batteries, demonstrating high power densities and outstanding discharge stability.
Article
Chemistry, Physical
Julia Garcia-Cardona, Francisco Alcaide, Enric Brillas, Ignasi Sires, Pere L. Cabot
Summary: Pt(Cu) nanoparticles supported on CMK3 and CMK8 ordered mesoporous carbons have been synthesized by electroless deposition of Cu followed by galvanic exchange with Pt. The nanoparticles exhibit higher activity due to a PtCu alloy core covered by a Pt-rich shell, which is attributed to the favorable geometric and ligand effects of Cu on Pt reducing the adsorption energy of intermediates on Pt.
Article
Energy & Fuels
Fumiaki Matsuoka, Kevin E. Fritz, Peter A. Beaucage, Fei Yu, Jin Suntivich, Ulrich Wiesner
Summary: The study shows that combining a high active-site density with favorable mass transport can be achieved by synthesizing gyroidal mesoporous Fe-N-C catalysts. Despite having mesoporous features, the catalyst exhibits competitive ORR activities.
JOURNAL OF PHYSICS-ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Anthony Griffin, Genwei Chen, Mark Robertson, Kun Wang, Yizhi Xiang, Zhe Qiang
Summary: Conventional ordered mesoporous carbon (OMC) production requires long processing times, but this work demonstrates accelerated synthesis of OMCs using dielectric barrier discharge plasma, achieving carbonization within 15 minutes. The use of plasma enables faster production rates and does not require additional substrates within the OMC precursor systems.
Article
Chemistry, Physical
Wuli Han, Chuanhua Li, Yu Jiang, Zhaofei Ma, Yan Zhang, Xuemin Yan, Xianfeng Zheng
Summary: An efficient Fe/S-N/C catalyst with abundant ordered mesoporous structure and atomic dispersion of active Fe-N-x and C-S-C species was synthesized. The catalyst demonstrated superior ORR activity and could provide a high open circuit potential and maximum power density in MFC devices, outperforming commercial Pt/C catalysts. This study provides a new strategy for designing effective, low-cost ORR catalysts for MFC devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Engineering, Chemical
Xun Kan, Feiyu Song, Guanqing Zhang, Yong Zheng, Qiliang Zhu, Fujian Liu, Lilong Jiang
Summary: A solvent-free route is proposed to design nitrogen and defects co-doped, ordered mesoporous carbons (ND-OMCs) as efficient and long-lived metal-free catalysts for selective oxidation of H2S to sulfur. The ND-OMCs exhibited remarkable activity and sulfur capacity, outperforming traditional desulfurization catalysts.
CHEMICAL ENGINEERING SCIENCE
(2023)
Article
Chemistry, Physical
Qian Yu, Haibo Li, Ruiqing Li, Suyuan Zeng, Rui Li, Qingxia Yao, Hongyan Chen, Konggang Qu, Yao Zheng
Summary: The use of Pt-based electrocatalysts in ORR/HER has limited the proliferation of relevant technologies and devices. FeP has been highlighted as an attractive Pt substitute, and encapsulating FeP in doped carbon can enhance its conductivity, durability, and catalytic activity. The FeP embedded N, P-codoped carbon (NPC) composite, prepared using natural DNA, shows superior alkaline ORR performance and excellent alkaline HER activity.
Article
Engineering, Environmental
Yan Liu, Kunyang Zou, Tao Zhang, Xin Dai, Shixiu Cao, Qiang Tan, Yuanzhen Chen, Shengwu Guo, Yongning Liu
Summary: Metal-free carbon nanomaterials doped with heteroatoms, such as furfuryl alcohol-derived, N, O-codoped nanoporous carbon, show promising electrocatalytic activity for oxygen reduction reaction. The carbon material with a pore size of 12 nm exhibits the best performance and achieves a high power density in a flexible solid-state zinc-air battery. Density functional theory calculations suggest that pyridinic N species are the active sites contributing to the excellent catalytic performance.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Yatian Zhang, Yi Jiang, Gaopeng Jiang, Tyler Or, Rui Gao, Haoze Zhang, Zhengyu Bai, Ning Chen, Ya-Ping Deng, Zhongwei Chen
Summary: Highly efficient transition-metal electrocatalysts with hierarchal morphology have been constructed by nano-structure engineering. The electrocatalysts, Fe2Nx @TiOy, exhibit improved kinetics for the oxygen reduction reaction with high half-wave potential and current density. The nitrogen vacancies in Fe2Nx @TiOy play a key role in enriching active sites and modulating the electronic structure of Fe.
Article
Chemistry, Physical
Jaana Lilloja, Elo Kibena-Poldsepp, Ave Sarapuu, Maike Kaarik, Jekaterina Kozlova, Paarn Paiste, Arvo Kikas, Alexey Treshchalov, Jaan Leis, Aile Tamm, Vambola Kisand, Steven Holdcroft, Kaido Tammeveski
Summary: Transition metal-and nitrogen-doped mesoporous carbons were prepared, characterised, and utilized as ORR electrocatalysts in an AEMFC. Fe-N-MPC, CoFe-N-MPC and FeMn-N-MPC showed the best performance and excellent stability in alkaline solution, with Fe-N-MPC and FeMn-N-MPC exhibiting the lowest HO2- yield. FeMn-N-MPC and Fe-N-MPC reached power densities of 474 and 473 mW cm-2 in the AEMFC.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Jinsong Shi, Hongmin Cui, Jianguo Xu, Nanfu Yan, Shengyong You
Summary: The influences of porous carbon's physicochemical properties on CO2 adsorption at different pressures were investigated in this study. N-doped hierarchically ordered micro-mesoporous carbons (NHOMCs) were synthesized and their characteristics and CO2 uptake were analyzed. The results showed that NHOMCs exhibited high CO2 adsorption capacity and the adsorption performance was correlated with the physicochemical properties of the materials.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Electrochemistry
Dongman Hou, Weijia Zhou, Xiaojun Liu, Kai Zhou, Jian Xie, Guoqiang Li, Shaowei Chen
ELECTROCHIMICA ACTA
(2015)
Article
Chemistry, Physical
Jia Lu, Weijia Zhou, Likai Wang, Jin Jia, Yunting Ke, Linjing Yang, Kai Zhou, Xiaojun Liu, Zhenghua Tang, Ligui Li, Shaowei Chen
Article
Chemistry, Physical
Xiaojun Liu, Wenyue Li, Shouzhong Zou
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Article
Chemistry, Physical
Yongan Tang, Xiaojun Liu, Jordan McMahan, Anil Kumar, Asim Khan, Michael Sevilla, Xiangqun Zeng
JOURNAL OF PHYSICAL CHEMISTRY B
(2019)
Article
Chemistry, Analytical
Xiaojun Liu, Xiaoyu Chen, Yong Xu, Tongtong Chen, Xiangqun Zeng
SENSORS AND ACTUATORS B-CHEMICAL
(2019)
Article
Chemistry, Analytical
Xiaoyu Chen, Xiaoce Feng, Xiaojun Liu, Xiangqun Zeng, Yong Xu
SENSORS AND ACTUATORS B-CHEMICAL
(2019)
Article
Chemistry, Analytical
Jian Ju, Xiaojun Liu, Jing-Jiang Yu, Kai Sun, Fatemeh Fathi, Xiangqun Zeng
ANALYTICAL CHEMISTRY
(2020)
Article
Chemistry, Multidisciplinary
Xiaojun Liu, Casey Culhane, Wenyue Li, Shouzhong Zou
Article
Chemistry, Analytical
Xiaojun Liu, Xiaoyu Chen, Tongtong Chen, Yong Xu, Xiangqun Zeng
Summary: This study introduced a new method for electrochemical detection of carbon black particles, demonstrating selective detection capabilities compared to insulating oxide particles. By systematically studying collision events at varying concentrations of carbon black, the researchers identified the most suitable bias potential and established a linear relationship between spike numbers and carbon black concentration. The work provides a basis for the development of powerful electroanalytical methods and technologies for detecting and classifying carbon particles in different environmental conditions.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Xiaojun Liu, Xiaoyu Chen, Lei Zhang, Kwaku Junior Twum, Xia Wang, Yong Xu, Xiangqun Zeng
Summary: In this study, an improved method for detecting electrochemically inert crystalline silica particles using single entity electrochemistry (SEE) was reported. The sensitivity of detection was enhanced by functionalizing the silica particles with polyethylene glycol (PEG) molecules. The proposed method demonstrated a significant improvement in the limit of quantification (LOQ) compared to the PEG-functionalized silica particles.
ANALYTICA CHIMICA ACTA
(2023)
Article
Energy & Fuels
Bin Bin Jin, Xiao Jun Liu, Li Chun Dong, Xiang Xin Zhong, Ming Yan Liang, Jie Gan, Min Chen, Feng Guo
Summary: Researchers have developed a simple and rapid voltage-assisted SILAR technique (VASILAR) to more efficiently load CdS/CdSe QDs into TiO2 mesoporous films. The electric field generated by imposing the voltage promotes the preferential deposition of CdS in the deep region of the films, achieving a uniform distribution. Sufficient space and channels are created for the loading of CdSe, and the growth and distribution of CdSe are well regulated with the help of electric field forces. The resulting CdS/CdSe co-sensitized QDSSCs exhibit an outstanding efficiency of 5.7% and remarkable stability.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2023)
Article
Engineering, Electrical & Electronic
Huigang Wang, Xiaojun Liu, Yuhui Fang, Xiangqun Zeng, Changyong Cao
Summary: To enhance the sensitivity and reliability of hydrogen sensors, an ionic liquid-based electrochemical gas sensor with bimetallic Pt-Ni nanoparticles was fabricated for continuous monitoring of hydrogen concentration. The device demonstrated excellent analytical sensing performance, reaching a limit of detection up to 19.3 ppm.
IEEE SENSORS LETTERS
(2023)
Article
Nanoscience & Nanotechnology
Xiaojun Liu, Xiaoyu Chen, Jian Ju, Xuewei Wang, Zhi Mei, Hongwei Qu, Yong Xu, Xiangqun Zeng
ACS APPLIED NANO MATERIALS
(2019)
Article
Energy & Fuels
Weijia Zhou, Xiaojun Liu, Kai Zhou, Jin Jia
NANOMATERIALS IN ADVANCED BATTERIES AND SUPERCAPACITORS
(2016)
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.