Article
Materials Science, Ceramics
Xinzhu Gan, Bin Tian, Zhigang Wang, Yong Xu, Ling Li, Lin Wang, Chonghe Xu
Summary: YAlO3 fibers doped with 2 mol% Er3+ were prepared using electrospinning and a carbon-free sol system as the precursor. The thermal behavior and crystallization process of the precursor fibers were characterized. The Er3+:YAlO3 fibers exhibited uniform diameter, dense surface, and non-porous cross-section, and could generate upconverted luminescence upon excitation.
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2023)
Article
Optics
Hongqiang Cui, Yongze Cao, Yuhang Zhang, Long Cao, Siying Ran, Xin Wang, Danyang Wu, Xiangping Li, Xizhen Zhang, Baojiu Chen
Summary: Er3+/Yb3+ co-doped BiTa7O19 phosphors with bright pure green emission were successfully synthesized in this study. The optimized doping concentration resulted in higher green luminescence intensity compared to commercial phosphors, as well as a higher absolute sensitivity.
JOURNAL OF LUMINESCENCE
(2022)
Article
Chemistry, Physical
Congcong Piao, Jianhe Tang, Yitong Lin, Zhiyu Liu, Xueke Liu, Dawei Fang, Jun Wang
Summary: A high-efficiency Z-scheme photocatalyst, Er3+:YAlO3@(Au/SrTiO3)-Au-WO3, was successfully fabricated using hydrothermal and photo-deposition methods. The presence of Er3+:YAlO3 improved the utilization of solar light for wide band-gap SrTiO3, and the introduction of Au nanoparticles promoted the separation of photo-induced electrons and holes, resulting in enhanced photocatalytic activity for Cr(VI) conversion under simulated solar light irradiation.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Article
Engineering, Chemical
Ludong Yi, Jun Qin, Haosheng Sun, Yinghao Ruan, Dawei Fang, Jun Wang
Summary: The combination of HC and photocatalysis can enhance the degradation efficiency of organic pollutants. A novel magnetic Z-scheme photocatalyst was prepared and the effects of different conditions on the degradation of oxytetracycline were investigated. The results showed that the combined HC and photocatalysis system achieved a higher degradation rate, making it an effective strategy for the treatment of antibiotic wastewater.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Lin Yang, Jinxing Yu, Shufang Chang, Xiaoxiang Xu
Summary: Doping aluminum into LaTaON2 improves its photocatalytic performance by enhancing charge separation conditions and surface hydrophilicity, leading to more efficient water splitting under visible light illumination.
SCIENCE CHINA-MATERIALS
(2022)
Article
Electrochemistry
Marcos Vinicius de Lima Tinoco, Magno Barcelos Costa, Lucia Helena Mascaro, Juliana Ferreira de Brito
Summary: The photoactivity of Sb2Se3 semiconductor containing Pt nanoparticles obtained with a fast deposition rate was investigated in this study. The photocatalyst prepared using photoelectrodeposition method showed a significantly higher photocurrent density compared to the one prepared through electrodeposition method. The difference in nucleation and growth kinetics of Pt nanoparticles between the two methods was responsible for the improved performance of the photocatalyst prepared using the photoelectrodeposition method.
ELECTROCHIMICA ACTA
(2021)
Article
Chemistry, Physical
Kaustav Chatterjee, Roberto Dos Reis, Jaye K. Harada, Jette K. Mathiesen, Sandra L. A. Bueno, Kirsten M. O. Jensen, James M. Rondinelli, Vinayak Dravid, Sara E. Skrabalak
Summary: Metal oxychloride intergrowths have been studied as stable visible light photocatalysts, with systematic variation of Ta/Gd molar ratio to rationalize their photocatalytic activity. These intergrowths provide new strategies for designing durable artificial photosynthetic systems.
CHEMISTRY OF MATERIALS
(2021)
Article
Engineering, Electrical & Electronic
A. Kumaresan, A. Arun, V Kalpana, P. Vinupritha, E. Sundaravadivel
Summary: In this study, NiWO4 nanoparticles and polymer-based NiWO4 nanocomposites were synthesized and characterized. The nanocomposites showed nanoplate-like morphology and exhibited improved photocatalytic activity for the degradation of toxic dyes. Polymer materials such as polyaniline (PA) and polypyrrole acted as electron trap charge carriers and effectively inhibited fast electron recombination. The prepared NiWO4/PA nanocomposite exhibited a degradation efficiency of 94% for crystal violet and methylene blue dyes, indicating its potential application in wastewater treatment.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Review
Chemistry, Multidisciplinary
Tokuhisa Kawawaki, Masanobu Kawachi, Daichi Yazaki, Yuki Akinaga, Daisuke Hirayama, Yuichi Negishi
Summary: This review summarizes recent studies on the development and functionalization of visible-light-driven water-splitting photocatalysts, aiming to share current technology and future challenges with readers in various fields and expedite practical applications.
Article
Materials Science, Ceramics
Arnaud Lemiere, Bartosz Bondzior, Iisa Aromaki, Laeticia Petit
Summary: This paper reports on the structural, thermal, optical, and spectroscopic properties of Er3+-doped tellurite glasses with different compositions. It is found that the crystalline structures formed after thermal treatment significantly affect the intensity of upconversion and mid-infrared emissions from Er3+ ions.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Chemistry, Inorganic & Nuclear
Ghader Hosseinzadeh, Naser Ghasemian, Sahar Zinatloo-Ajabshir
Summary: The TiO2/graphene nanocomposite supported on clinoptilolite nanoplate prepared by hydrothermal method showed significantly higher photocatalytic degradation efficiency for nitenpyram insecticide under visible light, mainly due to the advantages of clinoptilolite and graphene, such as microporous structure and enhancement of effective surface area. The hydroxyl radicals were identified as the main active species responsible for the photocatalytic degradation of nitenpyram. This study provides a new insight for fabricating more effective zeolite and graphene-based nanocomposite photocatalysts for environmental remediation.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Han Van Dang, Yen Han Wang, Jeffrey C. S. Wu
Summary: Researchers fabricated a Pt/GaP-C3N4 photocatalyst for solar-driven photocatalytic seawater splitting, showing high photoactivity and stability in various solutions.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Haotong Li, Xinding Lv, Ran Li, Xia Tao, Yanzhen Zheng
Summary: In this study, metallic Ti3C2 MXene nanosheets were anchored on MAPbI(3) to construct a stable and efficient MXene/MAPbI(3)-HI system for visible-light-driven photocatalytic H-2 evolution. The MXene effectively inhibited charge recombination and provided abundant active sites, leading to significantly enhanced photocatalytic performance.
JOURNAL OF POWER SOURCES
(2022)
Article
Materials Science, Multidisciplinary
Ahmad Ranjbar, Hossein Mirhosseini, Thomas D. Kuehne
Summary: In this study, we conducted a virtual materials screening to identify potential topological materials for photocatalytic water splitting under visible light. The screening was based on criteria such as band gap, band edge energy, and thermodynamic stability. We also calculated the topological types of the final candidates using hybrid density functional theory. Our findings showed that the materials in our final list have suitable band gaps and band edge energies for water oxidation and reduction, but their topological types differ from those reported previously.
JOURNAL OF PHYSICS-MATERIALS
(2022)
Article
Chemistry, Physical
Peijing Guo, Shaoyu Yuan, Bingrong Guo, Siwei Li, Yongjun Gao
Summary: A CoO-CdS heterostructured photocatalyst CC-2-300 loaded with carbon derived from chitosan was synthesized. It exhibits a significantly enhanced photocatalytic hydrogen evolution rate of 10.60 mmol g(cat)(-1) h(-1) under visible light irradiation, which is 7.21 times higher than that of pure CdS under the same conditions. This improvement is attributed to the formation of a direct Z-scheme heterojunction between chitosan-derived carbon supported CoO nanorods and CdS nanoparticles, which enhances carrier migration efficiency and reduces charge recombination on CdS.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
