Article
Materials Science, Multidisciplinary
Gang Liu, Chunpeng Gao, Xinmei Liu, Xiaoyi Wang, Miaomiao Liu, Yunlong Chen, Guanxiang Wang, Zhengchun Teng, Wenlong Yang
Summary: In this study, the enhanced photocatalytic activity of delta-Bi2O3 nanoparticles under visible light irradiation was demonstrated. Nanostructured delta-Bi2O3 with a size of less than 50 nm was successfully synthesized by a simple chemical precipitation method. The delta-Bi2O3 nanoparticles showed superior activity towards various pollutants under visible light, which can be attributed to their microstructure and the presence of oxygen vacancies in the defective fluorite structure. The findings of this work provide a new approach to enhance the photocatalytic performance of delta-Bi2O3 without the need for additional compounds.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Materials Science, Multidisciplinary
Caixia Sun, Jingjie Dai, Hongxia Zhang, Shouying Li, Amin Wang
Summary: In this study, g-C3N4 nanosheets with porous structures were prepared using a simple, template-free method. The pre-treatment of urea with ethanol changed the thermal polymerization process, resulting in the formation of porous nanosheets. The prepared PGN photocatalyst exhibited enhanced visible light photocatalytic efficiency due to its increased surface area and pore volume.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Jinwu Bai, Xiaolei Ren, Xue Chen, Peng Lu, Min Fu
Summary: Ultrathin Bi2O3-Bi2WO6 nanosheet composites with abundant oxygen vacancies were successfully synthesized, showing remarkable photocatalytic degradation performance for oxytetracycline compared to pure Bi2WO6 nanosheets. The enhanced photocatalytic activities are attributed to the hetero-junction structure and the introduction of oxygen vacancies by the ultrathin structures.
Article
Engineering, Chemical
Rui Yu, Yanling Yang, Zhiwei Zhou, Xing Li, Jingfeng Gao, Nan Wang, Jiaqi Li, Yongwang Liu
Summary: In this study, a ternary heterojunction composite of bismuth oxide, titanium dioxide, and reduced graphene oxide was successfully synthesized via a one-step hydrothermal process. The composite exhibited strong visible-light responsiveness and high separation efficiency of photogenerated carriers. It showed excellent degradation performance towards tetracycline and outperformed other composites. The photodegradation mechanism involved the generation of O-center dot(2)- radicals and holes, and the breakage of carbon-carbon double bonds and nitrogen-carbon bonds in tetracycline.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Zhengyi Zhang, Yangshan Sun, Youle Wang, Yong Yang, Pingping Wang, Lifeng Shi, Liang Feng, Shuqing Fang, Qi Liu, Liyun Ma, Shou Peng, Tianhe Wang
Summary: In this research, a novel g-C3N4/ZnO composite microspheres (CZCM) with enhanced photocatalytic activity under visible light exposure were successfully prepared. A hierarchical structure in which ZnO microspheres were closely covered with g-C3N4 nanosheets was constructed to improve the photocatalytic performance. The optimized CZ-15% sample showed much higher photocatalytic degradation efficiency than bare g-C3N4 or ZnO. Photoluminescence and photocurrent analysis confirmed the effective generation of photo-induced electron-hole pairs and the photocatalysis in CZCM. The possible photocatalysis mechanism for the reaction process was proposed based on the experimental results and relative energy band levels of the two semiconductors.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Yijin Qiu, Jianjiang Lu, Yujun Yan, Junfeng Niu, Yanan Duan
Summary: A novel flower-like spherical BiOCl-BMO photocatalyst was synthesized using a solvothermal method. It exhibited high photocatalytic activity in degrading tetracycline under visible-light irradiation.
SURFACES AND INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Hoang Ai Le Pham, The Ky Vo, Duy Trinh Nguyen, Huu Khanh Huynh, Quynh Thai Son Pham, Van Cuong Nguyen
Summary: The bismuth-terephthalate frameworks (Bi-BDC) were successfully prepared using a facile solvothermal approach in this study. The effects of synthesis temperature on the crystallinity and morphologies of the Bi-BDC frameworks were investigated. The low-temperature prepared Bi-BDC samples showed enhanced light absorption ability and exhibited high removal efficiency of organic pollutant through photocatalytic degradation.
GREEN CHEMISTRY LETTERS AND REVIEWS
(2022)
Article
Chemistry, Physical
Xin Xie, Shenbo Wang, Yongjiang Zhang, Jie Ding, Yonggang Liu, Qishe Yan, Siyu Lu, Baojun Li, Yushan Liu, Qiang Cai
Summary: A novel strategy was applied to synthesize the Z-scheme GO/AgI/Bi2O3 heterojunction, which exhibited excellent photocatalytic performance. The enhanced activity was attributed to the improved morphology and the formation of Z-scheme heterojunction, facilitating the separation and transfer of electron-hole pairs.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Engineering, Environmental
Zhuomin Qiang, Ximeng Liu, Feng Li, Taihai Li, Meng Zhang, Harishchandra Singh, Marko Huttula, Wei Cao
Summary: The study successfully developed a novel iodine-doped Bi2O2CO3/Bi2WO6 heterojunction photocatalyst, which showed significantly enhanced visible light photocatalytic H-2 production rate and capability for persistent pollutant and dye degradation. Through electrochemical and spectroscopic tests, the enhanced photocatalytic activity was attributed to the formation of the Z-scheme photocatalyst.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Yoki Yulizar, Ananda Eprasatya, Dewangga Oky Bagus Apriandanu, Rika Tri Yunarti
Summary: Efficient synthesis of ZnO/GdCoO3 nanocomposites was achieved using Myristica fragrans leaf extracts (MFE) in a two-phase system with high-speed stirring. The nanocomposites showed a bandgap value of 1.99 eV and particle size in the range of 34-58 nm, exhibiting high efficiency in degrading dyes under visible light illumination. The synergetic effect of ZnO and GdCoO3 in the nanocomposite structure makes them an effective photocatalyst for dye degradation.
Article
Engineering, Chemical
Tairan Wang, Tao Wan, Songsong He, Jian Wang, Mingrui Yu, Yang Jia, Qi Tang
Summary: In this study, a graphitic carbon nitride with hierarchical structure and high photocatalytic activity was synthesized for the first time by the solvothermal method without high-temperature calcination. The morphology and structure of the material were effectively controlled, resulting in improved photoelectric conversion performance. This research provides a new strategy for the preparation of graphitic carbon nitride with high visible light photocatalytic activity.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2023)
Article
Chemistry, Physical
Shuoping Ding, Tianao Dong, Tim Peppel, Norbert Steinfeldt, Juncheng Hu, Jennifer Strunk
Summary: Porous hierarchical microspheres composed of amorphous SiO2 and crystalline beta-Bi2O3 were synthesized via a solvothermal process and subsequent calcination, with amorphous SiO2 contributing to enhanced thermostability of beta-Bi2O3. Photocatalytic activity of the synthesized samples was found to be significantly influenced by phase composition and morphology, with samples containing highly crystalline beta-Bi2O3 phase exhibiting optimal performance in tetracycline hydrochloride degradation under visible light irradiation at low catalyst dosage. The synergistic effect of porous structure, light absorption capability, and charge carrier separation efficiency were identified as key factors contributing to the samples' photocatalytic activity.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Di Zhou, Rui Du, Zhenglong Hu, Shu Gao, Yafang Tu, Yunfei Fu, Guang Zheng, Youhua Zhou
Summary: Bi2MoO6/TiO2 heterostructures were synthesized, which exhibited excellent visible-light absorption due to the presence of Bi2MoO6 nanosheets. The hierarchical structure composed of Bi2MoO6 nanosheets and TiO2 nanorods significantly increased the specific surface area and pore volume of the photocatalysts. The improved performance of the Bi2MoO6/TiO2 heterostructures in methylene blue degradation was attributed to the extended absorption of visible light, the large specific surface area of the hierarchical structure, and the enhanced separation efficiency of electron-hole pairs.
Article
Engineering, Environmental
Vishal Kumar Parida, Suneel Kumar Srivastava, Shamik Chowdhury, Ashok Kumar Gupta
Summary: A novel visible-light-driven 2D/0D Bi2O3/MnO2 heterojunction was synthesized and demonstrated enhanced photocatalytic degradation of ACT. The Z-scheme heterojunction between Bi2O3 nanoflakes and MnO2 nanoparticles facilitated effective charge separation and electron transfer, resulting in significantly improved photocatalytic performance.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Gang Liao, Wu Yao
Summary: In this study, a porous isotype heterojunction g-C3N4 was synthesized using a facile co-polycondensation method, leading to improved product yield and thermal stability. The optimized sample exhibited high photocatalytic efficiency, attributed to the hierarchically porous structure that enhanced charge separation and reduced electron-hole recombination. Additionally, the material showed excellent reusability.
DIAMOND AND RELATED MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Qianqian Li, Qingyun Sun, Yinghui Li, Tao Wu, Shikuo Li, Hui Zhang, Fangzhi Huang
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Chemistry, Physical
Baojun Wang, Shikuo Li, Fangzhi Huang, Shipeng Wang, Hui Zhang, Fenghua Liu, Qiangchun Liu
Summary: A versatile strategy was proposed for synthesizing 1D hierarchical core-shell structure with Co-ZIF arrays derived carbon nanotubes (CNTs) coupled on cotton fiber (CF)-supported MXene shell (Co/CNTs-MXene@CF). The designed heterogeneous composites consist of interlayer MXene and CNTs, grow sequentially from the outermost Co-ZIF nanosheet arrays, and exhibit optimal reflection loss and effective absorption bandwidth for microwave absorption materials. This work provides a new design strategy for high-performance materials.
Article
Chemistry, Physical
Sijun Yang, Jie Yu, Chengli Yao, Shikuo Li, Anjian Xie
Summary: In this study, hierarchical porous carbon materials with different proportions of Fe and Zn were prepared using polystyrene nanospheres as templates. The resulting 5Fe95Zn-HPC showed excellent oxygen reduction reaction performance comparable to commercial Pt/C catalyst and higher stability and methanol resistance in alkaline and acidic solutions.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Environmental Sciences
Jian Li, Qingyun Sun, Zhongxin Ping, Yihong Gao, Peiyu Chen, Fangzhi Huang
Summary: In this study, a novel air purification filter was synthesized that can efficiently remove both PM2.5 and SO2, while maintaining durability.
Article
Materials Science, Multidisciplinary
Xianqiang Chu, Xiaoqi Jiang, Hui Zhang, Cheng Wang, Fangzhi Huang, Xiaoyu Sun, Shikuo Li
Summary: This study presents the preparation of ordered Al-doped SrTiO3/TiO2 heterojunction nanorod arrays (Al-STO/TiO2 HNRAs) for efficient piezo-photocatalysis. The Al doping helps modulate the migration and separation of charge carriers and prolongs the charge lifetime. Under co-excitation of ultrasonic and ultraviolet irradiation, the Al-STO/TiO2 HNRAs display a significantly higher oxidation rate constant compared to the un-doped sample.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Chemistry, Multidisciplinary
Zhongxin Ping, Hao Fang, Kunpeng Wang, Hui Zhang, Shikuo Li, Jun Chen, Fangzhi Huang
Summary: Converting renewable solar energy into manageable thermal energy is important, but integrating multifunctional solar-to-heat coating on various substrates and achieving large-scale manufacture is challenging. In this study, Cl-doped PEDOT coating is successfully created on multiple substrates using oCVD, enhancing near-infrared absorption and hydrophilicity. The Cl-PEDOT coating has advantages of universality, scalability, low-cost, high efficiency, and stability, and exhibits reinforced evaporation performance for solar steam generation. The study also demonstrates the possibility of using structural design to optimize evaporator performance and achieve solar-driven heating/dehumidification and crude-oil recovery. oCVD is a simple and straightforward method for engineering lightweight and thermally insulating polymers into multifunctional solar-to-thermal composites for diverse solar-driven applications.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Baojun Wang, Fangzhi Huang, Hao Wu, Zijie Xu, Shipeng Wang, Qinghua Han, Fenghua Liu, Shikuo Li, Hui Zhang
Summary: Integrating heterogeneous interface through nanostructure design and interfacial modification is crucial for enhancing interfacial polarization relaxation in electromagnetic wave absorption. In this study, a Mott-Schottky heterojunction consisting of honeycomb-like porous N-doped carbon confined CoP nanoparticles (CoP@HNC) is designed to elevate the interfacial polarization strength. Electron migration and redistribution between the heterointerface of defective carbon and CoP nanoparticles are revealed, which contributes to the accumulation of electron on defective carbon side and the distribution of hole on CoP side. The CoP@HNC exhibits remarkable electromagnetic wave absorption performances with minimum reflection loss up to -60.8 dB and the maximum effective absorption bandwidth of 4.96 GHz, outperforming most of recently reported transition metal phosphides microwave absorbing composites. The present work opens a new avenue for designing heterogeneous interface to enhance microwave absorption capability and reveals the profound influence of interface structure on electromagnetic wave absorption.
Article
Nanoscience & Nanotechnology
Hao Wu, Fangzhi Huang, Baojun Wang, Shipeng Wang, Wenbo Nie, Shikuo Li, Fenghua Liu, Hui Zhang
Summary: Metal-organic framework-derived carbon materials are promising for electromagnetic microwave absorption due to their tunable structure. In this study, hollow CoNi/carbon nanotube/hollow carbon nanocage composites were designed through Ni2+ etching and thermal catalysis treatment, resulting in improved electromagnetic wave attenuation capacity and optimized impedance matching characteristics. The composites exhibited excellent electromagnetic absorption performance with a minimum reflection loss of -59.5 dB and a maximum effective absorption bandwidth of 7.1 GHz at 1.8 mm.
ACS APPLIED NANO MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Xiang Li, Mei He, Qinghao Zhou, Debabrata Dutta, Nannan Lu, Shikuo Li, Zhishen Ge
Summary: In this study, glucose oxidase-encapsulated mesoporous hollow Co9S8 nanoreactors (GOx@PCoS) were constructed for synergistic multimodal therapy of tumors. GOx@PCoS depleted GSH, produced H2O2, and exhibited photothermal and photodynamic effects to enhance the anticancer efficacy. It also served as an MRI contrast agent for monitoring the therapeutic performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Yihong Gao, Kunpeng Wang, Shikuo Li, Hui Zhang, Fangzhi Huang
Summary: The electrochemical conversion of nitrate into ammonium through an electrocatalytic NO3- reduction reaction system and a Zn-NO3- battery system has been achieved by introducing Lewis acid sites and regulating the electronic structure of active sites. This strategy provides guidance for the design of high-performance electrocatalysts.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Yihong Gao, Kunpeng Wang, Shikuo Li, Hui Zhang, Fangzhi Huang
Summary: Introducing Lewis acid sites into the lattice of noble metal Pd doped CoP has been found to promote the adsorption and transformation of NO3- and enhance the ammonium selectivity. The Pd/CoP-based Zn-NO3- battery also exhibits good performance.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Materials Science, Multidisciplinary
Jian Li, Huaqiang Wang, Yihong Gao, Hao Fang, Peiyu Chen, Fangzhi Huang
Summary: This study introduces a facile in situ vulcanization method to prepare ultrathin CdS@1,4-benzenedicarboxylic (CdS@BDC) nanosheets using 2D Cd-MOF as the precursor and template in Na2S/Na2SO3 solution. The obtained CdS@BDC nanosheets exhibit excellent photocatalytic performance with a high hydrogen evolution rate.
MATERIALS ADVANCES
(2022)
Article
Chemistry, Inorganic & Nuclear
He Mei, Sun Huan-Yun, Li Shi-Kuo
Summary: In this study, Mo-doped NiS hierarchical nanoflowers were prepared via hydrothermal method for efficient electrocatalytic nitrogen fixation. The optimized Mo-NiS sample showed a remarkable NH3 formation rate and Faraday efficiency, with XPS and DFT analysis revealing the mechanism behind the enhanced performance.
CHINESE JOURNAL OF INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Physical
Miaomiao Zhang, Xianqiang Chu, Hui Zhang, Fangzhi Huang, Pianpian Liu, Shikuo Li
Summary: By designing a hierarchical ZnxCd1-xS architecture, the performance of the photoanode was optimized, leading to increased photocurrent density and significantly improved photostability. This was achieved through enhanced charge transfer rate and improved reaction kinetics at the electrode-electrolyte interface, demonstrating a promising pathway for high performance photoelectrodes.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Kun Huang, Shanshan Gong, Lina Zhang, Hui Zhang, Shikuo Li, Guisheng Ye, Fangzhi Huang
Summary: By constructing an ultrathin ZIF-8 wrapping on Au-dotted Ag nanowires to create Ag@Au@ZIF-8 structure, a thin film Ag@Au@ZIF-8 NWs/TF was built to selectively adsorb and enrich CO2 molecules, thus solving the issue of inability to detect SERS signals due to poor metal surface affinity and low gas molecule concentration.
CHEMICAL COMMUNICATIONS
(2021)