Article
Materials Science, Multidisciplinary
Claudiu Colbea, Petruta Oancea, Mihaela Puiu, Toma Galaon, Adina Raducan
Summary: This study reports the degradation performance of three phthalocyanine-photosensitized TiO2 nanocomposites on waste dyes, showing good decolourization efficiency and thermal stability, with the potential to achieve high organic carbon removal rates. The experiments demonstrate that these sensitized catalysts can effectively degrade recalcitrant azo dyes and may be combined with enzymatic/microbial treatment for total mineralization.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Materials Science, Ceramics
Lucas Portela Oliveira, Camila Cristina de Foggi, Bruna Natalia Alves da Silva Pimentel, Marcelo Assis, Juan Andres, Elson Longo, Carlos Eduardo Vergani
Summary: The study demonstrates the excellent photocatalytic and antifungal properties of silver phosphate microcrystals under visible light, which remain stable even after 4 cycles. Combining with visible light irradiation can significantly enhance its antifungal effectiveness.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Surin Promnopas, Wonchai Promnopas, Wachiraporn Maisang, Surangkana Wannapop, Titipun Thongtem, Somchai Thongtem, Orawan Wiranwetchayan
Summary: In this study, cubic Ag3PO4, monoclinic LaPO4, and Ag3PO4/LaPO4 samples were successfully synthesized and showed high catalytic efficiency in degrading methyl orange in photocatalysis experiments. Characterization results revealed energy gaps of 2.37 eV for Ag3PO4 and 4.23 eV for LaPO4 in the composites without high temperature calcination.
CHEMICAL PHYSICS LETTERS
(2021)
Article
Crystallography
Xin Yan, Yuanyuan Wang, Bingbing Kang, Zhuo Li, Yanhui Niu
Summary: A tube-like g-C3N4/Ag3PO4 heterojunction was constructed using the chemical precipitation method, where Ag3PO4 nanoparticles were loaded onto the surface of tube-like g-C3N4. This heterojunction exhibited optimal photocatalytic performance in degrading RhB under visible light irradiation. The high activity and stability of the heterojunction was explained by a proposed Z-type mechanism.
Article
Chemistry, Physical
Madeeha Rani, Maida Murtaza, Aneeqa Amjad, Manzar Zahra, Amir Waseem, Aiyeshah Alhodaib
Summary: This study examined the use of NiSe2/Ag3PO4 nanocomposite catalysts for photocatalytic degradation of RhB and BPA pollutants. The 20% NiSe2/Ag3PO4 composite exhibited the highest photocatalytic efficiency for both pollutants. Various factors, including dye concentration, catalyst amount, pH, and reaction time, were investigated. The study found that the 20% NiSe2/Ag3PO4 catalyst effectively degraded 10 ppm RhB in 20 min and 20 ppm BPA in 30 min. SEM, PXRD, and energy-dispersive X-ray spectroscopy were used to analyze the physical properties of the samples. The combination of NiSe2 and Ag3PO4 played a crucial role in enhancing the stability of the photocatalysts. The photodegradation of both RhB and BPA followed pseudo-first-order kinetic models with specific rate constants. A Z-scheme reaction mechanism involving superoxide anion radicals and holes was proposed to explain the photodegradation process.
Article
Chemistry, Physical
Beibei Zhang, Lu Zhang, Yulong Zhang, Chao Liu, Jiexiang Xia, Huaming Li
Summary: In this study, spherical-like Ag3PO4 material with exposed {111} facet was successfully synthesized using a chemical precipitation method assisted by ionic liquid. The material exhibited enhanced photocatalytic performance due to its unique morphology and superior optical properties. This research sheds light on the potential of ionic liquid-assisted photocatalysts with high efficiency.
Article
Chemistry, Physical
Amiezatul Amirulsyafiee, Mohammad Mansoob Khan, Mohammad Hilni Harunsani
Summary: This review provides an overview of the applications and performance of silver phosphate as a visible light photocatalyst, discussing suitable synthesis methods and the challenges and prospects for improvement.
CATALYSIS COMMUNICATIONS
(2022)
Article
Engineering, Electrical & Electronic
Jirayus Piriyanon, Tammanoon Chankhanittha, Sujittra Youngme, Khuanjit Hemavibool, Supinya Nijpanich, Sawitree Juabrum, Narong Chanlek, Suwat Nanan
Summary: The study successfully fabricated a visible-light-active MoS2/Ag3PO4 heterojunction photocatalyst using hydrothermal technique and chemical precipitation route, which exhibited efficient removal of pharmaceuticals and dyes under visible light. The creation of heterostructure improved electron-hole separation efficiency and absorption capacity, leading to high stability and cycling ability of the catalyst.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Chemistry, Physical
Filippo Chieregato, Alessandra Molinari, Martina Milani, Murilo Fendrich, Michele Orlandi, Antonio Miotello
Summary: This paper investigates the use of an iron-oxides photoactive coating for visible-light induced hydroxylation reactions. The coating was shown to be an effective catalyst for the photocatalytic degradation of azo-dyes pollutants and the photosynthesis of guaiacol. The study provides insights into optimization routes and paves the way for the industrial application of photosynthetic methods.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Physical
Qiaoshan Chen, Hanqiang Zhou, Jianchun Wang, Jinhong Bi, Fan Dong
Summary: Significant progress has been made in the field of semiconductor photocatalysis, but exploration of earth-abundant insulators has been limited. In this study, researchers utilized insulator BaSO4 as a photocatalyst by constructing a novel insulator-semiconductor heterostructure with CuS. The designed BaSO4-CuS heterostructure showed a significantly higher TC degradation rate compared to BaSO4, CuS, and their physical mixture, due to the unique Cu-O covalent interaction facilitating interfacial electron transfer. The study also investigated the degradation pathway and intermediates of TC using LC-MS. These findings provide new insights into visible-light-driven insulator photocatalysts and their potential applications in environmental remediation.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Kanokwan Phumivanichakit, Sumetha Suwanboon, Pongsaton Amornpitoksuk
Summary: AgIO3 is a wide bandgap photocatalyst that can only be activated by UV irradiation. Under visible light irradiation, AgIO3 exhibits photocatalytic activity through a dye sensitization mechanism, degrading dyes RO and EY. During the degradation process of RO or EY, metallic Ag is generated on the surface of AgIO3, and this Ag/AgIO3 product can degrade other dyes such as MB and CV under visible light irradiation.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Biotechnology & Applied Microbiology
Xingang Wang, Kai Liu, Zhengtong Jing, Xiaorui Li, Yang Sun, Feng Guo, Hongliang Dai
Summary: WSe2/In2S3 photocatalysts prepared via a hydrothermal method exhibit favorable photocatalytic activity and stability under visible light.
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
(2022)
Article
Environmental Sciences
Yuxuan Dai, Yuting Wang, Gancheng Zuo, Jijie Kong, Yang Guo, Cheng Sun, Qiming Xian
Summary: A visible light driven plasmonic Ag/Ag3PO4/g-C3N4 heterojunction nanocomposite with regular morphology was prepared using a modified facile method. It showed higher photocatalytic activity and has significant implications for environmental pollution remediation.
Article
Environmental Sciences
Jianhui Zhao, Yuanzhou Wang, Ning Li, Shaopo Wang, Junli Yu, Xinxin Li
Summary: In this study, a magnetic gamma-Fe2O3-MnO2 bifunctional catalyst with oxygen vacancy was synthesized for peroxymonosulfate activation under visible light, showing high efficiency in ciprofloxacin degradation. The mechanism of enhanced PMS activation under visible light with gamma-Fe2O3-MnO2 was proposed, demonstrating the synergistic effect of photocatalysis and PMS activation for improved cipro degradation. The study provides a convenient method for oxygen vacancy regulation in metallic oxides composite and offers an easily recycled catalyst with high activity in the coupled oxidation system for antibiotic degradation.
Article
Chemistry, Multidisciplinary
Chiing-Chang Chen, Janah Shaya, Kyriaki Polychronopoulou, Vladimir B. Golovko, Siriluck Tesana, Syuan-Yun Wang, Chung-Shin Lu
Summary: This study reports the preparation and detailed characterization of the stannum indium sulfide (SnIn4S8) semiconductor photocatalyst for degradation of the toxic insecticide ethiofencarb under visible-light irradiation. The as-prepared SnIn4S8 showed high catalytic efficiency and stability, and was found to be reusable in treating real water samples in three successive photodegradation experiments. The study demonstrates the prospect of SnIn4S8 photocatalysis in treatment of natural and contaminated water from extremely toxic organic carbamates like ethiofencarb.