Article
Chemistry, Physical
Xiao-Ying Xie, Xiang-Yang Liu, Wei-Hai Fang, Ganglong Cui
Summary: This study reports the ultrafast electron transfer and suppressed electron-hole recombination at the interface of PM6/PCBM organic semiconductor heterojunctions, which leads to long-lived charges participating in hydrogen evolution. The reaction activity at PM6/PCBM heterojunctions heavily depends on the adsorbed hydrogen sites.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Multidisciplinary
Wei-Dan Si, Kai Sheng, Chengkai Zhang, Zhi Wang, Shan-Shan Zhang, Jian-Min Dou, Lei Feng, Zhi-Yong Gao, Chen-Ho Tung, Di Sun
Summary: This study reports the spontaneous assembly of unique P- and M-single stranded helical superstructures from R- and S-Au8c individual nanoclusters, respectively, using chiral BINAP and hydrophilic o-HMBA as ligands. The chirality of the nanoclusters is derived from the homochiral ligands and the inherently chiral Au-8 metallic kernel. The helical superstructures are formed through O-H···O interactions between (HCO3-)(2) dimers and achiral o-HMBA(-) ligands. This work provides an effective strategy to construct cluster-based helical superstructures at the atomic level and offers experimental evidence for understanding the formation mechanism of helical superstructures.
Article
Chemistry, Multidisciplinary
Mirra Edreena Sallehudin, Nor Dalila Nor Affandi, Ahmad Mukifza Harun, Mohammad Khursheed Alam, Liliana Indrie
Summary: This study aimed to investigate the effects of washing cycles on nano-TiO2 coated cotton yarn with the aid of succinic acid on the morphological structures and self-cleaning properties. It was found that the washing cycles changed the morphological structure of the nano-TiO2 coated cotton yarn, with a decrease in photocatalytic activity and an increase in stain absorption after 20 wash cycles. However, the coating maintained good photocatalytic activity and self-cleaning properties up to 15 wash cycles when succinic acid was present.
Article
Chemistry, Multidisciplinary
Ahmed M. Sheta, Anas Alkayal, Mohammad A. Mashaly, Samy B. Said, Saad S. Elmorsy, Andrei V. Malkov, Benjamin R. Buckley
Summary: In this study, an electrochemical approach was explored for the hydrocarboxylation of α,β-unsaturated alkenes with excellent regioselectivity and the ability to carboxylate hindered substrates to afford α-quaternary center carboxylic acids. The process reported requires no chromatography, and products can be purified by simple crystallization from the reaction mixture after work-up.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Yu Tang, Xiaolong Yang, Yao Wu, Ligeng Wang, Di Zhu
Summary: The research explores the fabrication of multi-scale titanium dioxide structures using ultraviolet laser irradiation. The study delves into the impact of laser irradiation intensity on material ablation state and water transport performance, highlighting the significant role of microcavities in enhancing water transport performance and the abnormal narrowing of microcavities with an increase in laser irradiation cycles.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Mengyang Qu, Gang Huang, Xinyi Liu, Xuechuan Nie, Chonghai Qi, Huabin Wang, Jun Hu, Haiping Fang, Yi Gao, Wei-Tao Liu, Joseph S. Francisco, Chunlei Wang
Summary: By using molecular dynamics simulation and experimental verification, we have discovered an ordered two-dimensional water bilayer structure on the surface of TiO2, which exhibits hydrophobic properties and can be influenced by the adsorption of formate/acetate molecules and dissociated water molecules.
Article
Engineering, Mechanical
Adam Piasecki, Piotr Paczos, Maciej Tulinski, Mateusz Kotkowiak, Mikolaj Poplawski, Michal Jakubowicz, Slawomir Boncel, Adam A. Marek, Tomasz Buchwald, Bartosz Gapinski, Artur P. Terzyk, Emil Korczeniewski, Michal Wieczorowski
Summary: This paper investigates the properties and wear mechanism of copper matrix sinters with the addition of nano-TiO2 and copper-decorated multi-walled carbon nanotubes. The study examines the synergistic interaction between titanium dioxide and carbon nanotubes and analyzes the wear mechanisms of the sinters at different temperatures. The results show that the introduced additions improve the hardness, stiffness, work of axial deformation, and wear resistance of the copper matrix.
Article
Energy & Fuels
Guojun Dong, Xiang Cheng, Yingpu Bi
Summary: A hierarchical bottom-up approach for fabricating TiO2 nanorod arrays with an Au nanolayer and Sn3O4 cocatalysts is demonstrated in this study, showing significantly enhanced photocurrent density under AM 1.5G irradiation. The enhanced PEC properties are attributed to spatial charge separation among the Au nanolayer and Sn3O4 cocatalysts, offering new insights for rational design and construction of highly efficient TiO2-based PEC devices for solar water splitting.
Article
Biochemistry & Molecular Biology
Ning Hu, Li Wang, MengGen Liao, MengLan Yin
Summary: The study demonstrates that improving electrode performance can effectively enhance the efficiency of microbial electrosynthesis for CO2 reduction. Metal-based carbon hybrid materials show promise due to their good biological affinity, stability, and electrochemical performance.
BIOELECTROCHEMISTRY
(2021)
Article
Chemistry, Inorganic & Nuclear
Jia-Qi Song, Yu-Lin Lu, Shao-Zhe Yi, Jian-Hua Zhang, Mei Pan, Cheng-Yong Su
Summary: Photocatalytic reduction of excess CO2 in the atmosphere to value-added chemicals by visible light can be achieved using a trinuclear Re(I)-coordinated organic cage (Re-C-4(R)) as the supramolecular photocatalyst. The Re-C-4(R) exhibits higher catalytic activity and CO2 adsorption ability compared to its mononuclear analogue Re-bpy, due to its covalent linkage, cryptand structure, and multiple amine groups. The trinuclear cryptate structure of Re-C-4(R) also facilitates electron transfer efficiency during CO2 reduction, as indicated by its shorter decay lifetimes in transient absorption and photoluminescence decay spectra compared to Re-bpy.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Applied
Aida Heidari, Reza Teimuri-Mofrad, Kazem D. Safa
Summary: In this study, a magnetic titanium dioxide photocatalyst modified with chlorophyll b was designed to synthesize conjugated derivatives of tetrahydroquinoline through a photoinduced electron transfer (PET) reaction. The incorporation of chlorophyll b improved the light harvesting ability and facilitated the photocatalytic mechanism. The prepared photocatalyst demonstrated high activity under visible-light irradiation, achieving the synthesis of new tetrahydroquinoline derivatives with a conjugated structure in high yields at ambient temperature.
APPLIED ORGANOMETALLIC CHEMISTRY
(2023)
Review
Engineering, Environmental
Lei Dai, Fazhe Sun, Qingwen Fan, Hetong Li, Kai Yang, Tianyang Guo, Liang Zheng, Peng Fu
Summary: Photocatalytic water splitting technology has great potential in addressing global energy shortage and environmental issues. TiO2 semiconductor is widely used as a photocatalyst, however, its weak response to visible light and fast electron-hole recombination limit its photocatalytic performance. Coupling TiO2 with carbon materials can enhance its properties due to the good electrical conductivity and abundant pore structure. This study summarizes methods to improve the visible response of TiO2 and examines the role of carbon nanotubes, graphene, activated carbon, carbon quantum dots, fullerene 60, carbon fibers, and biochar in the photocatalytic process. DFT simulations are used to understand the electron migration and catalytic reaction mechanism in carbon/TiO2. A detailed scheme of using water/methanol solution to promote the hydrogen production of photocatalysts is also presented. Finally, the challenges and future directions of carbon-based TiO2 materials are discussed.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Lin Chen, Quan Qu, Chuan-Kun Ran, Wei Wang, Wei Zhang, Yi He, Li-Li Liao, Jian-Heng Ye, Da-Gang Yu
Summary: We report a novel visible-light photocatalytic carboxylation of C-N bonds in cyclic amines with CO2 via consecutive photo-induced electron transfer (ConPET). It is the first photocatalytic reductive ring-opening reaction of azetidines, pyrrolidines, and piperidines. This strategy enables the transformation of easily available cyclic amines into valuable amino acids in moderate-to-excellent yields. The method features mild and transition-metal-free conditions, high selectivity, good functional-group tolerance, facile scalability, and product derivations. Mechanistic studies suggest that ConPET plays a key role in generating highly reactive photocatalysts for the reductive activation of cyclic amines.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Biochemistry & Molecular Biology
Mathias Busch, Gerrit Bredeck, Friedrich Waag, Khosrow Rahimi, Haribaskar Ramachandran, Tobias Bessel, Stephan Barcikowski, Andreas Herrmann, Andrea Rossi, Roel P. F. Schins
Summary: Due to the widespread presence of environmental MNPs, inhalation and ingestion by humans is highly likely, but the health effects remain largely unknown. This study established THP-1 cells with or without NLRP3 to investigate the potential of MNPs to activate the NLRP3 inflammasome. The results suggest that most MNPS do not directly activate the NLRP3 inflammasome, but specific MNP types may still possess pro-inflammatory potential.
Article
Biochemistry & Molecular Biology
Sarah Amandine Valentino, Carole Seidel, Mylene Lorcin, Sylvie Sebillaud, Henrik Wolff, Stephane Grossmann, Stephane Viton, Herve Nunge, Laura Aliisa Saarimaki, Dario Greco, Frederic Cosnier, Laurent Gate
Summary: This study aimed to identify early markers of harmful effects on the lungs caused by nanoparticles. The experiments showed that different nanoparticles induced lung inflammation and identified some potential early markers of adverse lung outcomes. So far, 15 potential markers have been found.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Chemistry, Physical
Qi-Wen Chen, Ze-Qing Guo, Jian-Ping Zhou
Summary: Multifunctional continuous solid solutions NFMTO-x were successfully synthesized via a one-step hydrothermal method by controlling the ratio of Mg and Fe. The NFMTO-x materials exhibited enhanced visible light response, effective adsorption and photocatalytic degradation of organic pollutants, CO2 methanation capability, and easy recyclability due to their magnetic properties. This research provides a significant multifunctional material for water purification.
APPLIED SURFACE SCIENCE
(2024)
Review
Chemistry, Physical
George E. Stan, Maziar Montazerian, Adam Shearer, Bryan W. Stuart, Francesco Baino, John C. Mauro, Jose M. F. Ferreira
Summary: Bioactive glasses have the ability to form strong bonds with tissues and release therapeutic ions. However, their biomechanical compatibility limits their use in load-bearing applications. The use of magnetron sputtering technology to fabricate BG coatings shows promise in improving their efficacy and potential for application.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zhaoxuan Wang, Zhicheng Yan, Zhigang Qi, Yu Feng, Qi Chen, Ziqi Song, Meng Huang, Peng Jia, Ki Buem Kim, Weimin Wang
Summary: The corrosion behavior of Fe-60 and Fe-83 ribbons in 0.6 M NaCl was studied. Fe-60 exhibited a local corrosion mode and formed a stable passivation film with higher corrosion resistance, while Fe-83 showed a combination of local and global corrosion modes and had lower corrosion resistance. Controlling the precipitation of nanocrystalline phases and increasing the POx content in the passivation film significantly improved the corrosion resistance of Fe-based glassy alloys.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Hao-Kai Peng, Sheng-Yen Zheng, Wei-Ning Kao, Ting-Chieh Lai, Kai-Sheun Lee, Yung- Hsien Wu
Summary: This study investigates the effects of high energy/fluence proton radiation on the performance of HfZrOx-based FeFETs memory with different Zr content. The results show that the characteristics of FeFETs are influenced by proton radiation, and the extent of the influence depends on the Zr content. FeFETs with 50% Zr content exhibit minimal changes in memory window and demonstrate good endurance and retention performance.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zongyi Yue, Guangyi Wang, Zengguang Huang, Sihua Zhong
Summary: In this study, AZO and ITO films were successfully tuned as excellent passivation layers for c-Si surfaces, achieving effective minority carrier lifetime and outstanding optical properties through the optimization of annealing temperature and interfacial silicon oxide.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Martin Hruska, Jan Kejzlar, Jaroslav Otta, Premysl Fitl, Michal Novotny, Jakub Cizek, Oksana Melikhova, Matej Micusik, Peter Machata, Martin Vrnata
Summary: This paper presents a detailed study on the hydrogen sensing capabilities of highly nanoporous black gold films. The films exhibit fast response and recovery times at low temperatures. Different levels of nanoporosity were prepared and tested to investigate the sensing properties, and it was found that nanoporous black gold is suitable for hydrogen sensing. The sensitivity of the film depends on its nanoporosity.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yupu Wang, Gaofeng Teng, Chun To Yiu, Junyi Zhu
Summary: In the study of BM-SCO and HSCO thin films, it was found that H vacancies tend to prefer sites near the external surface or oxygen vacancy channels (OVCs), while H interstitials prefer sites of oxygen on a layer that contains six-fold coordinated Co. These findings not only enrich the understanding of complex surface phenomena of defect formation but also provide an explanation for the reversibility during phase transformation.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jiafeng Lu, Linping Teng, Qinxiao Zhai, Chunhua Wang, Matthieu Lancry, Ye Dai, Xianglong Zeng
Summary: In this study, we achieved full control of fiber nanograting orientation by manipulating laser polarization, and tailored space variant fiber nanogratings, which expanded the diversity in fiber nanograting engineering.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yibo Liu, Yujie Tao, Yue Liu, Qi Sun, Qinrong Lin, Kexin Kang, Qinghua Zhang, Qingjie Sun
Summary: This study investigates the wettability of the Ti-Cu-Fe multi-metal system, specifically the wetting behaviors of CuSi3 droplets on TC4 and 304SS plates. The results show that the CO2 + Ar gas atmosphere significantly affects interfacial mass transfer, thus influencing the wettability of the systems.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jimei Liu, Fei Wang, Rong Guo, Yuqi Liu, Mengyu Zhang, Jaka Sunarso, Dong Liu
Summary: This study developed Co/MXene composites with anti-corrosion properties by varying the cobalt content. These composites exhibited remarkable electromagnetic absorption performance and high resistance to corrosion under various corrosive conditions. The study also revealed the mechanism of electron transfer from cobalt to MXene and the electromagnetic dissipation behavior originated from polarization loss alone.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Moujie Huang, Yongsong Ma, Jingbo Yang, Lingyun Xu, Hangqi Yang, Miao Wang, Xin Ma, Xin Xia, Junhao Yang, Deli Wang, Chuang Peng
Summary: Strong metal-support interactions (SMSIs) are important for enhancing catalytic activities and stability in thermal catalysis. This study demonstrates a method to create SMSIs in electrocatalysis using carbon nanotubes and Ru nanoparticles, resulting in excellent catalytic activity and stability.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Ravi Trivedi, Brinti Mondal, Nandini Garg, Brahmananda Chakraborty
Summary: This study explores the potential of biphenylene as a nanocarrier for the delivery of the anticancer drug cisplatin. It is found that biphenylene offers physical stability, rapid release rate, solubility, and bio-compatibilities compared to other nanocarriers. The adsorption of cisplatin on the surface of biphenylene involves charge transfer from cisplatin to biphenylene. The drug is shown to be released at body temperature in an acidic environment. Biphenylene also exhibits excellent cytotoxicity activity and cellular uptake of the drug. Overall, biphenylene shows promise as a potential nanocarrier for cisplatin delivery.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Hyun Jeong, Hyeong Chan Suh, Ga Hyun Cho, Rafael Salas-Montiel, Hayoung Ko, Ki Kang Kim, Mun Seok Jeong
Summary: In this study, a potential platform to enhance Raman scattering and increase the number of observable Raman modes in monolayer transition metal dichalcogenides (TMDs) was proposed. The platform consisted of large-scale arrays of gold micropillars (MPs), which were able to enhance the Raman intensity of TMDs and make difficult-to-detect Raman modes observable. The platform showed great industrial advantages and wide applicability due to its low cost, simple process, large controllable area, and short process time.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yasir Abbas, Shafqat Ali, Sajjad Ali, Waqar Azeem, Zareen Zuhra, Haoliang Wang, Mohamed Bououdina, Zhenzhong Sun
Summary: In this study, FeOx@SPNO-C core-shell nanospheres as a catalyst for degradation of sulfamethoxazole (SMX) were successfully synthesized. The synergistic interaction between FeOx and SPNO-C, high carbon charge density, and the presence of C = O groups and N/Fe-Nx sites were found to be key factors for the enhanced degradation of SMX.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Qiaoting Yang, Yuxiao Gong, Yan Qian, Zhou-Qing Xiao, Serge Cosnier, Xue-Ji Zhang, Robert S. Marks, Dan Shan
Summary: This study proposes a hierarchical confinement strategy to design Prussian blue nanoparticles (PB NPs) with satisfactory electrocatalytic ability and stability. The catalytic synthesis of PB NPs is achieved through a hydrothermal process, and the as-prepared PB@NH2MIL exhibits efficient electronic transmission and enhanced electrocatalytic properties.
APPLIED SURFACE SCIENCE
(2024)