Article
Materials Science, Ceramics
Gokhan Acikbas, Nurcan Calis Acikbas
Summary: The study found that both copper and copper oxide particles on ceramic surfaces exhibited similar antibacterial activity, which was mainly dependent on phase crystallization. The slightly higher amount of tenorite phase in copper-modified surfaces compared to copper oxide resulted in a slightly more pronounced bactericidal effect.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Chemistry, Physical
Ryota Yamamoto, Damian Kowalski, Ruijie Zhu, Keisuke Wada, Yuki Sato, Sho Kitano, Chunyu Zhu, Yoshitaka Aoki, Hiroki Habazaki
Summary: A superhydrophobic Cu metal nanowire surface has been developed in this study, effectively reducing the heat transfer resistance caused by water vapor condensation, leading to significantly improved heat transfer performance compared to Cu(OH)(2) nanowire surface.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Avinash Vikatakavi, Stefania Benedetti, Giulia Righi, Rita Magri, Sergio D'Addato, Paola Luches, Annabella Selloni
Summary: We investigated the interaction between molecular hydrogen and ultrathin epitaxial CeO2 films modified with a 2% concentration of Cu atoms using X-ray photoemission spectroscopy (XPS) and density functional theory calculations. The presence of Cu atoms was found to decrease the barrier for H2 dissociation, leading to the formation of surface OH groups. Additionally, surface oxygen vacancies and hydroxyls were generated at relatively low temperatures, contributing to the increase in surface Ce3+ concentration.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Materials Science, Multidisciplinary
Pedro Costa, Rita Policia, Nikola Perinka, Yolanda Alesanco, Ana Vinuales, Estela O. Carvalho, Nelson Pereira, Margarida M. Fernandes, Senentxu Lanceros-Mendez
Summary: In this study, a highly antimicrobial and sensorial material for high traffic surface coatings was developed. The material consists of polyvinylidene fluoride and copper core-shell nanowires, which exhibit strong antimicrobial effects against Escherichia coli and Staphylococcus epidermidis while maintaining biocompatibility with mammalian cells. The addition of copper core-shell nanowires provides antimicrobial activity and suitable mechanical and electrical characteristics for the development of an antimicrobial capacitive touch sensing matrix for interactive surfaces.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Humanities, Multidisciplinary
Stamatis C. Boyatzis, Leonidas Fragkos-Livanios, Maria Giannoulaki, Anna Filopoulou
Summary: The reactivities of various fatty monoacids and diacids on copper metal-containing surfaces were investigated through infrared spectroscopy. Different carboxylates were formed on pure copper surfaces and brass surfaces. Fatty monoacids with different chain lengths showed varying reaction rates, with longer chain acids taking longer to react. Fatty diacids did not form carboxylate products under the same conditions, potentially providing protection for the copper surface.
Article
Chemistry, Inorganic & Nuclear
Jessica K. Bilyj, Nicole V. Silajew, Paul V. Bernhardt
Summary: The tetradentate N2S2 Schiff base ligands show versatile chelating behavior for copper and stabilize high oxidation states. The Ni coordination chemistry of these ligands leads to a variety of products, including dinuclear Ni-II complexes derived from radical homocoupling reactions. These complexes are redox active and exhibit new electronic transitions in spectroelectrochemistry.
DALTON TRANSACTIONS
(2021)
Article
Chemistry, Multidisciplinary
David M. Koshy, Sneha A. Akhade, Adam Shugar, Kabir Abiose, Jingwei Shi, Siwei Liang, James S. Oakdale, Stephen E. Weitzner, Joel B. Varley, Eric B. Duoss, Sarah E. Baker, Christopher Hahn, Zhenan Bao, Thomas F. Jaramillo
Summary: Integrating polymer design with catalyst surface science can impact the long-term goals in energy and sustainability by tuning and optimizing electrochemical reactors. Specifically, the role of imidazolium-based ionomers in electrocatalytic CO2 reduction has been studied, showing no effect on CO2R activity but promoting the competing hydrogen evolution reaction. Varying the ionomer structure by changing substituents on the imidazolium ring modulates the promotion of the hydrogen evolution reaction.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Enhui Cui, Wei Zhang, Xuan Zhou, Lei Lv, Wei Chen, Liang Zhou, Liqiang Mai
Summary: A copper-based catalyst modified by cuprous sulfide nanoparticles is designed to study the mechanism of copper-based catalysts in electrochemical CO(2) reduction. The study shows that sulfur modification promotes the formation of *OCHO, a key intermediate in the formate pathway, leading to improved formate selectivity.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Physical
Chaofang Deng, Jiu Chen, Qing Tang
Summary: In this study, theoretical investigations were conducted to examine the binding of NHCMe ligands on different solid surfaces, revealing stronger adsorption on Pt (111) and Ti (0001) surfaces compared to the experimentally studied NHC-Au(111) interface. Furthermore, the distance of adatoms from the surface plays a crucial role in determining the molecular orientations of NHCMe, leading to different binding modes. These results suggest great promise for the design of stable NHC-based SAMs with attractive interface features beyond traditional coinage metals.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Article
Chemistry, Analytical
Qing Wang, Manel del Valle
Summary: This study demonstrates the use of nanoparticle-modified voltammetric sensors for the rapid and green determination of chemical oxygen demand in river waters and agricultural waste waters. Different modified electrodes were prepared and assessed for their response features, showing the most sensitive electrode to be the (CuO/Cu-Nf) electrode. The sensor array provided joint information for estimating the organic load and sample characteristics, forming an intelligent sensor assembly.
Article
Multidisciplinary Sciences
Zi Wang, Xujun Zheng, Tetsu Ouchi, Tatiana B. Kouznetsova, Haley K. Beech, Sarah Av-Ron, Takahiro Matsuda, Brandon H. Bowser, Shu Wang, Jeremiah A. Johnson, Julia A. Kalow, Bradley D. Olsen, Jian Ping Gong, Michael Rubinstein, Stephen L. Craig
Summary: This study introduces polymer networks with reactive strand extensions, which significantly improve the stretchability and tear energy of hydrogels. The enhancements synergize with double-network architectures and complement existing toughening strategies.
Article
Nanoscience & Nanotechnology
Yu Zhao, Jiachen Kang, Wenzhe Huang, Peng Kong, Di An, Gufeng He
Summary: This study demonstrates the successful fabrication of a stable copper nanowire composite film by embedding the nanowires into a polydopamine-modified sodium alginate matrix. The introduction of the polydopamine modifier enhances the aging resistance of the sodium alginate layer, providing protection against moisture and oxygen, and also enhances the adhesion between the nanowire network and the substrate. This approach maintains the conductivity of the copper nanowires and produces a very smooth composite film.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Construction & Building Technology
Binbin Huo, Yanglin Luo, Baoliang Li, Chun Chen, Yamei Zhang
Summary: Research shows that the particle size of steel slag powder plays a crucial role in its modification efficiency, with smaller particles being more suitable for chemical modification.
JOURNAL OF SUSTAINABLE CEMENT-BASED MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
A. R. Chourasia, Allen E. Hillegas
Summary: X-ray photoelectron spectroscopy was used to characterize the Sn/CuO interface in situ. The spectra showed significant differences in tin and copper core levels compared to elemental and oxide spectra, indicating chemical reactivity between the constituents at the interface. Tin was oxidized to SnO2 while CuO was reduced to elemental copper. The interface width was determined by extrapolating the linear fit of the elemental tin data to zero area, and interdiffusion between tin and CuO was observed at high temperatures.
Article
Chemistry, Multidisciplinary
Kalpataru Panda, Jae-Eun Kim, Kamatchi Jothiramalingam Sankaran, I-Nan Lin, Ken Haenen, Georg S. Duesberg, Jeong Young Park
Summary: A novel method for writing charged areas on diamond nanowire surfaces using AFM tips was reported, revealing the presence of nano-sized diamond-graphite composites. Hydrogenation was observed to enhance charge-trapping properties through disintegration of the composites, increasing metallic nanographitic phase fractions. This study highlights the potential of hydrogenation in effective charge trapping and storage for diamond nanocarbon materials.
Article
Chemistry, Inorganic & Nuclear
Meng-Pei Lu, Chien-Neng Liao, Jing-Yi Huang, Hung-Chang Hsu
INORGANIC CHEMISTRY
(2015)
Article
Engineering, Electrical & Electronic
Chih-Jie Yang, Chun-Lung Huang, Chien-Neng Liao
JOURNAL OF ELECTRONIC MATERIALS
(2015)
Article
Physics, Applied
Hung-Hsien Huang, Meng-Pei Lu, Chien-Neng Liao
JOURNAL OF APPLIED PHYSICS
(2016)
Article
Materials Science, Multidisciplinary
Jen-Chuan Hsiao, Yao-Hsiang Chen, Chien-Neng Liao
Article
Multidisciplinary Sciences
Chun-Lung Huang, Wei-Lun Weng, Chien-Neng Liao, K. N. Tu
NATURE COMMUNICATIONS
(2018)
Article
Physics, Applied
Hung-Hsien Huang, Meng-Pei Lu, Chien-Hao Chiu, Lin-Chieh Su, Chien-Neng Liao, Jing-Yi Huang, Huey-Lin Hsieh
APPLIED PHYSICS LETTERS
(2013)
Article
Physics, Applied
Yu-Lin Liu, Chien-Neng Liao
APPLIED PHYSICS LETTERS
(2014)
Article
Physics, Applied
Pei-Ju Chen, Chien-Neng Liao
APPLIED PHYSICS LETTERS
(2014)
Article
Chemistry, Physical
Ching-Hua Lee, Wen-Tai Chen, Chien-Neng Liao
JOURNAL OF ALLOYS AND COMPOUNDS
(2011)
Article
Chemistry, Physical
Meng-Pei Lu, Chien-Neng Liao
JOURNAL OF ALLOYS AND COMPOUNDS
(2013)
Article
Chemistry, Physical
Phuoc Huu Le, Chien-Neng Liao, Chih Wei Luo, Jihperng Leu
JOURNAL OF ALLOYS AND COMPOUNDS
(2014)
Article
Chemistry, Multidisciplinary
Wei-Lun Weng, Chin-Yu Hsu, Jheng-Syun Lee, Hsin-Hsin Fan, Chien-Neng Liao
Article
Materials Science, Multidisciplinary
Tsung-Cheng Chan, Yu-Ze Chen, Yu-Lun Chueh, Chien-Neng Liao
JOURNAL OF MATERIALS CHEMISTRY C
(2014)
Article
Physics, Applied
Yao-Hsiang Chen, Chien-Neng Liao
APPLIED PHYSICS LETTERS
(2017)
