Article
Chemistry, Multidisciplinary
Changxia Li, Patrick Guggenberger, Seung Won Han, Wei-Lu Ding, Freddy Kleitz
Summary: Covalent organic frameworks (COFs) have great potential as adsorbents due to their tailorable functionalities, low density, and high porosity. Constructing ultrathin COFs can increase the exposure of active sites to targeted molecules and enhance the adsorption capacity through a three-dimensional macroporous structure and well-exposed adsorption sites.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Engineering, Environmental
Jiao Cao, Zhaohui Yang, Weiping Xiong, Yaoyu Zhou, You Wu, Meiying Jia, Haihao Peng, Yuxin Yuan, Yinping Xiang, Chengyun Zhou
Summary: The study presents a strategy for synthesizing a three-dimensional compressible Fe-doped nitrogen carbon/gelation aerogel, which exhibits high efficiency in degrading organic pollutants and excellent recycling ability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Dequan Yu, Hao Fang, Peikai Qiu, Fancong Meng, Haixia Liu, Shuai Wang, Pingli Lv, Xiaoyan Cong, Qingfen Niu, Tianduo Li
Summary: Ag2O was introduced to ZnS for the first time to form a novel ZnS/Ag2O composite photocatalyst, showing high catalytic activity in degrading methylene blue. The composite degraded 92.4% of methylene blue in 50 min, outperforming ZnS and Ag2O which only degraded 31.9% and 68.8% respectively. Enhanced photocatalytic activity was attributed to the composite structure, facilitating carrier separation and extending light response range. The ZnS/Ag2O composite is promising for degrading organic pollutants in water.
Article
Engineering, Environmental
Chao Zhu, Shuang Song, Qile Fang, Jingkai Zhao, Da Wang, Feilong Dong, Weiting Yu, Yi Shen
Summary: This study presents a strategy to enhance the removal efficiency of organic micro-pollutants in the aqueous environment by developing adsorption-photocatalytic dual-functional aerogels with tunable pore structure. The optimized pore configuration was found to have a significant impact on the adsorption capacity and self-regeneration performance, leading to outstanding results in removal efficiency. The degradation process was dominated by hydroxyl radical oxidation, and the developed aerogels showed stability and universality in natural water applications.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Polymer Science
Dengbang Jiang, Xiushuang Song, Heng Zhang, Mingwei Yuan
Summary: In this study, coaxial electrospun nanofibrous materials were prepared to immobilize titanium dioxide for enhanced oxidation of organic pollutants. The results of adsorption and photocatalysis experiments showed that the material had high removal efficiency and could be used repeatedly.
Review
Environmental Sciences
Qian Li, Zhongshan Chen, Huihui Wang, Hui Yang, Tao Wen, Shuqin Wang, Baowei Hu, Xiangke Wang
Summary: This article reviews the key advancements in different methods for the synthesis of NZVI and NZVI-based materials, and introduces different modification methods as well as the removal mechanisms of various organic pollutants. It discusses the interaction mechanisms between NZVI/NZVI-based composites and organic pollutants, providing a basis for future studies on developing more effective NZVI-based materials for wastewater treatment.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Chemistry, Multidisciplinary
Chao Liu, Tong Bao, Ling Yuan, Chaoqi Zhang, Jing Wang, Jingjing Wan, Chengzhong Yu
Summary: Semiconducting metal-organic framework based heterostructures with tunable heterojunction coverage and well-matched band structure were synthesized and used as photocatalysts for O-2 reduction reaction, achieving a high hydrogen peroxide production rate.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Analytical
Ahmed Hassan, Rabia Liaquat, Naseem Iqbal, Ghulam Ali, Xue Fan, Zelong Hu, Mustafa Anwar, Awais Ahmad
Summary: The performance of photo-electrochemical water splitting was significantly enhanced by developing a ZnS composite with graphene, achieving notable improvements in both photo-current density and hydrogen yield.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Polymer Science
Zhikun Shang, Hongyu Zheng, Shiyong Chen, Xuezheng Zhang, Huixian Jin, Yun Ding, Aiguo Hu
Summary: Hierarchical porous aerogel (HPAG) based on rigid conjugated polymer was used to efficiently remove 18 kinds of organic micro-pollutants from water, providing equilibrium adsorption capacity of up to 63.9 mg g-1 at 10 ppm and removal efficiency reaching over 95% for many polycyclic aromatic hydrocarbons. After a simple regeneration process, the aerogel can be recycled and reused.
MACROMOLECULAR CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Applied
Esraa M. Bakhsh, Mohammad Sherjeel Javed Khan, Kalsoom Akhtar, Sher Bahadar Khan, Abdullah M. Asiri
Summary: A novel catalytic system based on bimetallic nanoparticles entrapped chitosan hydrogel container (Cu-Ag/CH, Cu-Co/CH, Cu-Ni/CH) was prepared for efficient water treatment and H-2 generation, as well as reduction of organic pollutants. Among the catalysts, Cu-Co/CH showed superior performance in catalytic H-2 generation, while Cu-Ni/CH exhibited better efficiency in catalytic reduction of toxic contaminants.
APPLIED ORGANOMETALLIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Yang-Yang Yu, Wen-Zhu Quan, Yuanyuan Cao, Qijian Niu, Yilin Lu, Xiang Xiao, Liang Cheng
Summary: A graphene-supported cobalt catalyst was synthesized to activate H2O2 and generate singlet oxygen (1O2) with high efficiency and selectivity. The Co-N-graphene catalyst selectively catalyzed the production of 1O2 associated with superoxide radical (O2-) as the intermediate, leading to excellent degradation efficiency of organic pollutants.
Article
Engineering, Electrical & Electronic
Yukun Li, Cong Chao, Dan Zhang, Qishi Chen, Junhong Sun
Summary: In this study, cobalt-doped graphene aerogel (Co-GA) composites were successfully fabricated as a promising activator for peroxymonosulfate (PMS). The composite catalysts effectively degraded refractory organic pollutants and maintained their morphology intact under different reaction conditions. The degradation mechanism of SMM was found to be dominated by sulfate radical (SO4 center dot-) oxidation and non-radical reactions initiated by GA.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2022)
Article
Engineering, Environmental
Wei Lyu, Jiaqiang Li, Linlin Zheng, He Liu, Jian Chen, Weiyi Zhang, Yaozu Liao
Summary: PCNFA was developed as a nanostructured adsorbent for organic dye pollutants removal, exhibiting high compressive stress and adsorption capacity. The PDS process was used for the regeneration of PCNFA, maintaining high adsorption capacity for dyes even after multiple cycles. The electrostatic and 7C-7C stacking interactions were identified as driving forces for adsorption, with nonradical reactions contributing to the regeneration of PCNFA.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Ying Yang, Daorui Wang, Yuanyuan Wang, Zelin Li, Rui Su, Xin Wang, Tong Xu, Shuangxi Wang
Summary: The rational design and synthesis of metal sulfides with high conductivity and rich porosity can enhance their catalytic activity towards the oxygen evolution reaction (OER).
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Jinya Ouyang, Jingnan Gao, Jiwei Shen, Yinmao Wei, Chaozhan Wang
Summary: In this study, a composite material of magnetic graphene and porous beta-CD polymer was prepared and used for the removal of model pollutants. The composite material showed good adsorption capacity, removal efficiency, and reusability.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Physical
Liquan Jing, Minqiang He, Meng Xie, Yanhua Song, Wei Wei, Yuanguo Xu, Hui Xu, Huaming Li
Summary: In this study, a brown carbon nitride co-modified with oxygen bridges and porous defects was successfully synthesized via a universal acylation method. Results showed that the material had a significantly higher removal rate for bisphenol A and 2-mercaptobenzothiazole compared to the original carbon nitride. Further analysis revealed a potential photocatalytic degradation pathway with key factors including hydroxyl radicals, superoxide radicals, singlet oxygen, and holes.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Electrochemistry
Bashir Adegbemiga Yusuf, Meng Xie, Waleed Yaseen, Chidinma Judith Oluigbo, Wei Wei, Yuanguo Xu, Jimin Xie
Summary: The study presents a simple method to prepare NiCo@BC 500°C nanoparticle catalyst as an excellent and highly stable HER electrocatalyst, exhibiting outstanding performance and stability, with promising prospects for applications in clean energy technologies.
Article
Environmental Sciences
Minjing Zhou, Liquan Jing, MingXiang Dong, Ying Lan, Yuanguo Xu, Wei Wei, Duidui Wang, Zhaoli Xue, Di Jiang, Jimin Xie
Summary: This research presents a simple synthesis method to prepare a broad-spectrum-response carbon nitride (CN-CA) with oxygen-linked band and porous defect structure, which shows excellent photocatalytic degradation ability for refractory organic pollutants. The introduction of oxygen-linked band structure enables CN-CA to decompose hydrogen peroxide and generate more active oxygen free radicals, leading to a significantly higher degradation rate for bisphenol A (BPA). The study provides a new strategy for environmental remediation by modifying g-C3N4 with porous defects and oxygen-linked band structure.
Article
Chemistry, Physical
Zongyao Zhang, Zhihong Gao, Yanqi Zhang, Zaoxue Yan, Isaac Kesse, Wei Wei, Xinhong Zhao, Jimin Xie
Summary: Hierarchical porous nitrogen-doped graphite from tissue paper (N-ATG) shows excellent performance as a symmetric supercapacitor electrode material, with ultra-high capacitance and energy densities suitable for high power density operations. Its key features include high specific surface area, large pore diameter, high nitrogen doping content, graphitized structure with widened lattice distance, dense defects and high packing density, which contribute to its outstanding performance.
JOURNAL OF POWER SOURCES
(2021)
Article
Engineering, Chemical
Chun Tong, Liquan Jing, Minqiang He, Meng Xie, Wei Wei, Yuanguo Xu, Hui Xu, Huaming Li
Summary: A green and efficient catalyst, 1D nanorod Fe2O3/NaNbO3 composite, was successfully prepared and showed superior performance in degrading tetracycline, especially in the presence of H2O2 solution. The introduction of Fe2O3 nanoparticles was found to activate H2O2 more efficiently and generate more free radicals to degrade pollutants. This study provides insights into the design of a photo-Fenton catalyst with dual ion synergy and full spectrum response.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Zaoxue Yan, Zhihong Gao, Zongyao Zhang, Chengjing Dai, Wei Wei, Pei Kang Shen
Summary: By controlling the morphology and structure of cracked defective graphene nanospheres (GNS), carbon electrodes with high gravimetric and volumetric capacitances can be obtained, which has the potential to enhance the performance of supercapacitors.
Article
Chemistry, Physical
Zaoxue Yan, Yanqi Zhang, Chengjing Dai, Zongyao Zhang, Mingmei Zhang, Wei Wei, Xiaomeng Lv, Xinhong Zhao
Summary: By encapsulating large Pt shell/Ni core particles with thick and porous nitrogen-doped carbon layers, excellent stability and high activity of the composite catalyst were achieved, maintaining high oxygen reduction activity value even after a large number of cyclic voltammetry cycles.
Article
Chemistry, Physical
Hui Li, Shilong Yang, Wei Wei, Mingmei Zhang, Zhifeng Jiang, Zaoxue Yan, Jimin Xie
Summary: A scalable strategy to prepare efficient bifunctional electrocatalysts is crucial for industrial electrocatalytic water splitting. In this study, a three-dimensional core chrysanthemum-like FeS/Ni3S2 heterogeneous nanoarray was successfully fabricated via a simple hydrothermal method, showing improved catalytic performance in alkaline media for oxygen evolution and hydrogen evolution reactions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Zhifeng Jiang, Min Zhou, Wei Wei, Daujun Mao, Huaming Li, Michael K. H. Leung, Xinchen Wang, Po Keung Wong
Summary: The synthesis of TRP-NH2 catalyst with heteroatoms doping and NH2 functionalization has effectively improved the efficiency of photocatalytic CO2 reduction. Experimental results demonstrate a significantly higher CO formation rate compared to traditional catalysts, indicating promising potential for applications in solar-driven CO2 reduction.
JOURNAL OF CO2 UTILIZATION
(2021)
Article
Chemistry, Multidisciplinary
Zaoxue Yan, Yanqi Zhang, Zhifeng Jiang, Deli Jiang, Wei Wei, Zhuofeng Hu
Summary: It has been demonstrated that nitrogen-doped bimetallic carbide-graphite composite (N-Fe2MoC-GC) exhibits much better oxygen reduction reaction (ORR) activity compared to commercial Pt/C, with exceptional stability and excellent resistance to methanol and CO. Furthermore, N-Fe2MoC-GC maintains high power density even under low relative humidity or at high operation temperature.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Renathung C. Ngullie, Paramasivam Shanmugam, Mohamed H. Mahmoud, Usan Pathinathan Saleth Prabhakar, M. L. Aruna Kumari, M. Shaheer Akhtar
Summary: In this study, magnetic carbon aerogel composites were prepared by simple hydrothermal and co-precipitation methods, and their antibacterial and antifungal activity was investigated. The results showed that the synthesized composites exhibited significant inhibitory effects against various bacteria and fungi. Additionally, these composites also showed potential applications in energy storage devices, removal of toxic dyes and heavy metals, and catalysis in the pharmaceutical field.
Article
Chemistry, Physical
Zaoxue Yan, Jiajia Cui, Zongyao Zhang, Zhifeng Jiang, Wei Wei, Guisheng Zhu, Xinhong Zhao
Summary: We demonstrate that the electrochemically corroded thick nitrogen-doped carbon (N-C) layer encapsulated Pt/C catalyst exhibits high activity and ultrahigh stability for methanol oxidation and oxygen reduction reactions. The encapsulation of thick N-C layers initially results in low activity, but after an aging corrosion process, the activities increase significantly and remain stable. The catalyst also shows high power densities and maintains stability in an acidic membrane fuel cell. The corrosion of the thick N-C layer leads to the formation of micropores, which enhance mass transport and protect Pt particles, thereby improving activity and stability.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Tony Augustine, S. Roy, J. Sahaya Vijay, Jain Maria Thomas, P. Shanmugam
Summary: Fullerenes are carbon allotropes that form polyhedral cages. Their chemical properties can be studied using their graph structure. Molecular descriptors play a significant role in analyzing molecular structures and conducting further research on their physicochemical characteristics, replacing the need for laboratory experiments.
Article
Chemistry, Physical
Zheyang Liu, Jianli Liang, Qianqian Song, Yang Li, Zhiquan Zhang, Min Zhou, Wei Wei, Hui Xu, Chun-Sing Lee, Huaming Li, Zhifeng Jiang
Summary: This study reports a photocatalyst using zero-dimensional black phosphorus quantum dots (BPQDs) to decorate one-dimensional carbon nitride nanotubes (CNNT), which can efficiently convert CO2 to CO with better catalytic efficiency than similar photocatalysts and pristine carbon nitride nanotubes. The construction of BPQDs-anchoring heterostructures provides a novel insight into the design of photocatalysts for CO2 reduction.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Materials Science, Multidisciplinary
Wei Wei, Rene Huebner, Maximilian Georgi, Cui Wang, Xiaodong Wu, Alexander Eychmueller
Summary: This study investigates the important role of structure homogeneity in three-dimensional network nanostructures serving as noble metal aerogels (NMAs) and develops a new modulation strategy to prepare multiscale NMAs with tunable composition. By studying nanoparticle-ligand interactions, the structure homogeneity of noble metal aerogels is optimized, providing further proof of their exceptional electrocatalytic capabilities.
MATERIALS ADVANCES
(2022)