Article
Chemistry, Inorganic & Nuclear
Lumeng Jia, Chun Wang, Hui Liu, Kezhong Wu, Rufen Chen
Summary: This study successfully synthesized visible-light-driven photocatalysts with high activity using efficient techniques, and employed Si-alpha-Fe2O3/In2S3 composites for the degradation of 4-NP. The combination of structural advantages and chemical reactions significantly improved the photocatalytic degradation performance.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Chemistry, Physical
Mengli Tong, Derong Sun, Ranran Zhang, Hui Liu, Rufen Chen
Summary: Si-alpha-Fe2O3/CdS composites with highly exposed (110) facets exhibited enhanced visible-light photocatalytic activity due to the construction of the heterojunction, which effectively inhibits the recombination of photogenerated electron-hole pairs.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Jieyu Yao, Shuchuan Peng, Linxuan Xie, Ganggui Ye, Chengzhu Zhu
Summary: BiOCl/α-Fe2O3 nanomaterial composite photocatalyst was synthesized by hydrolysis method and showed good catalytic performance for the degradation of gaseous styrene. The degradation rate of styrene and mineralization rate were optimized when the mass ratio of BiOCl/α-Fe2O3 was 1:1, hydrolysis temperature was 50°C, and solution pH was 1 under UV irradiation at 365 nm.
Article
Environmental Sciences
Guoliang Yang, Yan Jiang, Bingjie Yin, Guocheng Liu, Dong Ma, Guangshan Zhang, Guodong Zhang, Yanjun Xin, Qinghua Chen
Summary: The photocatalyst g-C3N4/alpha-Fe2O3 was synthesized and applied to photodegradation of fluoranthene in soil, showing high degradation efficiency. It provides an effective strategy for remediation of PAH-contaminated soils.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Jiaqi Chen, Xinjie Li, Fan Wang
Summary: This study focused on the synthesis of WO3/alpha-Fe2O3/zeolite (WFZ) type II heterojunction composites for the photocatalytic degradation of antibiotics in wastewater. The results showed that the synthesized WFZ heterojunction exhibited excellent durability and stability, and displayed the best photocatalytic activity under visible light irradiation. This research provides a reliable visible-light-responsive photocatalyst for the treatment of antibiotics in wastewater.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Environmental
Derong Sun, Lumeng Jia, Chun Wang, Hui Liu, Rufen Chen
Summary: A hollow alpha-Fe2O3 (S3) sample with high-activity was successfully obtained by adding H2PO4- and Cu2+ ions via a hydrothermal process, and S3/g-C3N4 composites were synthesized using a simple method. The visible-light photocatalytic degradation efficiency of p-Nitrophenol was enhanced through the synergistic effect of heterojunction and photo-Fenton in the S3/g-C3N4 degradation system, providing a new insight for p-NP removal in the wastewater.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Environmental Sciences
S. P. Keerthana, R. Yuvakkumar, G. Ravi, P. Kumar, Mohamed Soliman Elshikh, Hussein H. Alkhamis, Abdulwahed F. Alrefaei, Dhayalan Velauthapillai
Summary: The photocatalytic dye degradation of pure alpha-Fe2O3 and different concentrations of Co-doped alpha-Fe2O3 were studied, and the 4% Co-doped sample showed the most efficient dye degradation at 92%.
Article
Chemistry, Physical
Changchang Ma, Jeongwoo Lee, Youjoong Kim, Won Cheol Seo, Hyun Jung, Woochul Yang
Summary: The Z-scheme BiVO4/alpha-Fe2O3 photocatalyst, synthesized by a simple hydrothermal method, showed improved photocatalytic activity in the photodegradation of tetracycline hydrochloride compared to pure BiVO4 and alpha-Fe2O3 nanocubes under visible light irradiation. The study revealed that the formation of a Z-scheme heterojunction between BiVO4 and alpha-Fe2O3 increased the specific surface area and promoted the separation of photoinduced carriers, leading to enhanced photocatalytic performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Fenghui Li, Xuhui Li, Shanlin Tong, Jiang Wu, Tao Zhou, Yongsheng Liu, Jincang Zhang
Summary: This study designs a novel Cu2V2O7/α-Fe2O3 S-scheme heterostructure, which is inexpensive and highly efficient in photocatalytic degradation of organic pollutants. The experiment demonstrates the significant enhancement of electrical and catalytic properties by the heterostructure.
Article
Engineering, Environmental
Suman, Saurabh Singh, Ankita, Ashok Kumar, Navish Kataria, Sandeep Kumar, Parmod Kumar
Summary: This study successfully synthesized α-Fe2O3@CeO2 and CeO2@α-Fe2O3 core-shell nanoparticles for the first time using a hydrothermal method. Characterization was done using XRD patterns and XPS spectra, revealing the magnetic properties and defects/vacancies in lattice. The core-shell nanoparticles showed higher magnetic character for pure Fe2O3 and higher photodegradation efficiency compared to single metal oxides.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Physical
Qingbo Yu, Kuan Yang, Huiqin Li, Xianhua Li
Summary: Efficient Z-scheme photocatalysts can be developed by enhancing electron transport ability of the interface through structural design. A Z-scheme alpha-Fe2O3/g-C3N4 photocatalyst with Fe-O-C bond was obtained using a genetic strategy, showing excellent photocatalytic and structural stability. The Fe-O-C bond expands visible light absorption, acts as an efficient electron transfer channel, and maintains the strong redox ability of the Z-scheme structure.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Materials Science, Ceramics
Wei Huang, Xiaoyu Lu, Dongsheng Jia, Jianan Huang, Zhi Li, Han Xie, Mitang Wang, Ying Li, Dongliang Zhang
Summary: In this experiment, pure α-Fe2O3 and Y-doped Fe2O3 nanoparticles with different concentrations were prepared using a simple hydrothermal method. The photocatalytic performance of the samples for MB dye degradation was studied using various characterization techniques. The results showed that the particle size was around 100 nm, and with the increase of Y ion concentration, the band gap decreased and the degradation rate increased. The doping of 1.0% Y ions significantly affected the photocatalytic performance of α-Fe2O3.
CERAMICS INTERNATIONAL
(2023)
Article
Engineering, Environmental
Sandra Yadira Mendiola-Alvarez, Javier Arana, Jose Miguel Dona Rodriguez, Aracely Hernandez-Ramirez, Gemma Turnes Palomino, Carlos Palomino Cabello, Laura Hinojosa-Reyes
Summary: The photocatalytic activity of mixed oxide alpha-Fe2O3/TiO2 doped with P was evaluated for diuron degradation and NOx oxidation. The Ti/P showed the highest activity for diuron degradation, while alpha Fe-Ti demonstrated the best performance for NOx oxidation under both UV and visible light.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Engineering, Chemical
Yabin Zhang, Zekun Zhao, Penghui Guo, Yongkui Li, Tao He, Suqin Li
Summary: A photocatalyst with the micromorphology of regular polyhedron (RP-alpha-Fe2O3 nanocrystals) was prepared using hot rolled sludge (HRS). The RP-alpha-Fe2O3 nanocrystals exhibited strong visible light absorption and excellent catalytic performance, degrading Rhodamine B solution with high efficiency and displaying good reusability and stability.
Article
Chemistry, Inorganic & Nuclear
Surangkana Wannapop, Asanee Somdee, Thiti Bovornratanaraks
Summary: TiO2 and Fe2O3/TiO2 thin films were fabricated and characterized for removing organic contaminants in wastewater through a photocatalytic process. Fe2O3/TiO2 thin film showed better performance in response to UV light and charge carrier lifetimes compared to TiO2 thin film, leading to more significant degradation of Rhodamine B.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Review
Chemistry, Multidisciplinary
Chuangwei Liu, Ang Tian, Qinye Li, Tianyi Wang, Gaowu Qin, Song Li, Chenghua Sun
Summary: Environmentally friendly ammonia production is crucial for addressing the carbon emissions and energy consumption issues in the chemical industry. Recent developments in 2D electrocatalysts have shown potential in converting dinitrogen into ammonia under ambient conditions. This review systematically summarizes the progress, challenges, and opportunities of 2D-based electrochemical materials in achieving efficient and stable catalysis for nitrogen reduction.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Electrochemistry
Tianshui Yu, Xiangji Zhou, Yu Chen, Jin Chen, Songliu Yuan, Zhen Zhang, Lihua Qian, Song Li
Summary: A hierarchically nanoporous gold (H-NPG) with high CO conversion of 96% was configured, which is mainly determined by the high fraction of active sites onto the nanoscale skeletons and the high volume of hierarchically nanoporous channels. In addition, the H-NPG exhibits robust durability with only a 22% reduction of CO specific current density after 22 hours of CO2ER, compared to a 55% reduction in nanoporous gold (NPG) with nanoporous channels. This durability is attributed to the conversion of some crystalline facets with low activity to (110) facets with high activity during CO2ER.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Physical
Jiajia Cai, Zhichao Xu, Xiangxuan Tang, Hao Liu, Xinyu Zhang, Haijin Li, Jianmin Wang, Song Li
Summary: Bimetallic metal-organic frameworks (MOFs) and their derivatives were developed to regulate the morphology and activity of intermediates for catalyzing oxygen and hydrogen generation. The activity and morphology of the catalysts were strongly correlated with the atomic ratio of Ni and Co. Integration of Ni0.1Co0.9-MOF and Ni0.1Co0.9P successfully drove overall water splitting, highlighting the importance of efficient MOFs/derivatives catalysts and novel combinations for water electrolysis.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Xianqi Wang, Hongda Zhao, Bo Yang, Song Li, Zongbin Li, Haile Yan, Yudong Zhang, Claude Esling, Xiang Zhao, Liang Zuo
Summary: In this study, ITO/AgIn/ITO composite films were deposited on glass substrates using magnetron sputtering. The effects of sputtering temperature on the optical and electrical properties of the films were investigated. The results showed that the films deposited at 25°C and 100°C exhibited high reflectivity and low resistivity, making them promising for high-reflectivity anodes.
Article
Materials Science, Multidisciplinary
Chuangwei Liu, Haoren Zheng, Tianyi Wang, Zhongyuan Guo, Fangyuan Zhu, Hongbo Xie, Gaowu Qin, Hao Li, Song Li
Summary: In this study, boron-based, metal-free catalysts for room-temperature electrocatalytic nitrogen reduction reaction (NRR) were explored using density functional theory calculations. The results showed that the NRR performance of the boron active site could be improved by tuning the N-coordination environment on a graphene sheet, and the B-N-C structures exhibited excellent stability. By considering the correlation between the Bader charges of the boron dopant and their NRR activities, a rational design principle for boron-based catalysts for NRR was developed. The study also revealed that the charge loss of boron hindered hydrogen adsorption and promoted NRR efficiency by inhibiting competing hydrogen evolution.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
S. Y. Peng, Y. Z. Tian, Y. Yang, M. Jiang, H. X. Li, J. W. Wang, S. Li, G. W. Qin
Summary: In this study, a powder rolling strategy was successfully used to fabricate fully dense Cu-10Fe billet, solving the challenges of Fe macrosegregation during casting and limited sample size in traditional powder metallurgy methods. The microstructure evolution at different processing stages was characterized, revealing the successful avoidance of Fe macrosegregation and the achievement of good metallurgical bonding quality between powders. Moreover, the formation mechanisms of ordered structures and precipitates were analyzed, and the variation of mechanical and electrical properties with aging process was discussed.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2023)
Article
Multidisciplinary Sciences
Bo Yang, Zhiming Zhang, Peitao Liu, Xiankai Fu, Jiantao Wang, Yu Cao, Ruolan Tang, Xiran Du, Wanqi Chen, Song Li, Haile Yan, Zongbin Li, Xiang Zhao, Gaowu Qin, Xing-Qiu Chen, Liang Zuo
Summary: This study proposes a method to greatly enhance solar absorption by introducing a flat-band electronic structure. By incorporating metallic oxide λ-Ti3O5 particles into a three-dimensional porous hydrogel-based evaporator and utilizing a special structure, efficient solar-to-steam generation is achieved, providing a new solution for seawater desalination and wastewater treatment.
Article
Engineering, Chemical
Haitao Fu, Hongming Zhao, Xiaolang Li, Fu Chen, Xiaohong Yang, Shixian Xiong, Song Li, Xizhong An
Summary: In this study, CdZnS nanorods modified with MoS2 nanosheets were prepared, and the optimization of CdZnS nanorods was achieved by adjusting the Zn content. The results showed that the Cd:Zn = 9:1 sample exhibited the highest photocatalytic H2 production rate. By loading MoS2 nanosheets on the surface of the Cd:Zn = 9:1 sample, the highest H2 production rate was achieved. Electrochemical experiments revealed the mechanism behind the improved performance.
Article
Materials Science, Multidisciplinary
Teng Zhang, Yi-Hong Yu, Chuang-Wei Liu, Gao-Wu Qin, Song Li
Summary: In this study, a Ni4W/WO3 electrocatalyst with a strongly coupled interface on the Ni foam was synthesized by phase transition of NiWO4, leading to enhanced activity for alkaline hydrogen production. The strong binding hydroxyl on WO3 sites facilitates water dissociation and promotes hydrogen evolution through the synergy effect of strong adsorption of H on Ni sites.
Article
Chemistry, Analytical
Peng He, Haitao Fu, Yanlong Gong, Jie Chen, Xiaohong Yang, Dezhi Han, Shixian Xiong, Song Li, Xizhong An
Summary: In order to detect flammable gases and reduce energy consumption, room-temperature gas sensors with high sensitivity, selectivity, and stability have become increasingly popular. In this study, SnO2@ZnS core-shell hollow spheres were prepared using a two-step hydrothermal method. The effects of morphology and composition on gas sensing performance were investigated by adjusting the molar ratio of SnO2 to ZnS. The core-shell composites showed excellent sensing properties to n-butanol, with a sensing response four times higher than that of the pristine SnO2 hollow spheres.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Energy & Fuels
Jiajia Cai, Xiangxuan Tang, Cunxing Liu, Yongjun Li, Lingna Kong, Jiansheng Wang, Haijin Li, Qian Xie, Jianmin Wang, Song Li
Summary: The photothermal effect enhances the photocurrent density and accelerates the oxygen evolution reaction (OER) kinetics in a heterojunction. The Z schematic heterojunction with heteroatoms doping, anchored carbon quantum dots (CQDs), and NIR irradiation-induced local heat leads to an increased photocurrent density of (Ti, Zn)-Fe2O3@Ti-Fe2O3 by 1.3 folds and 1.7 folds, respectively. The photothermal effect enlarges the contact potential difference and band bending at the semiconductor-electrolyte interface (SEI), and decreases the Tafel slope of OER.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2023)
Article
Chemistry, Physical
Yutong Wu, Tianyi Wang, Chuangwei Liu, Gaowu Qin, Song Li
Summary: In this study, a bimetallic Ag/Cu nanowires catalyst was synthesized and applied for the spontaneous generation of hydrogen from reforming formaldehyde and water. The results showed that O2 could effectively promote H2 generation and act as a medium for H atom transfer. The synergistic effect between Ag and Cu greatly improved the catalytic activity, leading to excellent hydrogen production from aqueous formaldehyde solution.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Yinglei Liu, Changjin Xu, Bo Yang, Xiangying Meng, Gaowu Qin, Song Li
Summary: In this study, the formation of NiMnGe, a typical intermetallic compound of MM & PRIME;X (M, M & PRIME; - transition metals and X - p-block element), was found to suppress over-hydrogenation on Ni, leading to high ethylene selectivity for complete conversion of acetylene. The intermetallic catalysts showed a wide temperature range for complete conversion with high ethylene selectivity (91.8-98.4%), due to the easy desorption of ethylene and a high energy barrier for further reaction. The substitution of Mn with Fe in the MM & PRIME;X lattice resulted in a unique electronic structure that decreased the coverage of acetylene on the surface, preventing its polymerization. This work highlights the potential of using intermetallic compounds as a platform for designing heterogeneous catalysts.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Yunan Wang, Hao Yang, Zhe Zhang, Xiangying Meng, Tao Cheng, Gaowu Qin, Song Li
Summary: High-entropy alloys (HEAs) provide an ideal platform for developing highly active electrocatalysts and investigating the synergy of mixed elements. Far-from-equilibrium synthesis of HEAs at the nanoscale is challenging under electrochemical environments. This study demonstrates the use of electrochemical overpotential to create a far-from-equilibrium condition and construct hierarchical and self-supporting high-entropy alloy nanostructures, opening up new possibilities for energy and catalysis applications.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Xiangji Zhou, Yongqi Liu, Lin Liu, Yao Yu, Jiangang Xu, Min Ruan, Song Li, Lihua Qian
Summary: This study regulates the reconstruction of amorphous Bi shell forming onto nanoporous AgBi during CO2ER, and confirms the optimal reconstruction potential to be -1.05 V. The surface reconfiguration and catalytic property conversion along with the reconstruction are identified through in-situ electrochemical and spectroscopic characterizations. The reconstructed catalyst achieves high Faradaic efficiency and durability thanks to the special nanoporous core-shell structure.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
