Article
Chemistry, Multidisciplinary
Fei Niu, Xiying Han, Hui Sun, Qi Li, Xuexia He, Zonghuai Liu, Jie Sun, Zhibin Lei
Summary: In this study, PEDOT nanotube arrays grown on flexible Ti foil (Ti@PEDOT) with highly pseudocapacitive PANi incorporation demonstrated significantly enhanced performance. The Ti@PEDOT-PANi hybrid electrode showed nearly 10 times enhancement of areal capacitance and remarkable rate performance. The flexible supercapacitor assembled with this electrode exhibited high-rate property and cycling stability, indicating great potential for flexible electrode design and development.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Materials Science, Coatings & Films
Junling Qin, Zhiguang Cao, Hui Li, Zixue Su
Summary: TiO2 nanotubes with a diameter down to around 6 nm were successfully fabricated in ammonium fluoride-containing ethylene glycol electrolyte through a one-step anodic oxidation method. By systematically studying the influences of various factors, the growth mechanism of TiO2 nanotubes with ultra-small pore diameter and cell size was revealed.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Van Chinh Tran, Gabriella G. Mastantuoni, Marzieh Zabihipour, Lengwan Li, Lars Berglund, Magnus Berggren, Qi Zhou, Isak Engquist
Summary: The discovery of mass transport in plants has led to the development of low-cost and sustainable wood-based electronics. In this study, a wood electrochemical transistor (WECT) was created using conductive wood (CW) for all three electrodes, prepared through a two-step process. The modified wood exhibited high electrical conductivity due to the incorporation of PEDOT:PSS microstructures. The WECT showed promising performance for electrical current modulation and demonstrated potential for bio-based electronic devices.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2023)
Article
Biochemistry & Molecular Biology
J. Michael Henderson, Nina Ljubojevic, Sevan Belian, Thibault Chaze, Daryl Castaneda, Aude Battistella, Quentin Giai Gianetto, Mariette Matondo, Stephanie Descroix, Patricia Bassereau, Chiara Zurzolo
Summary: Tunnelling nanotubes (TNTs) are specialized actin-based protrusions that bridge distant cells to facilitate direct intercellular communication and cargo transfer in both physiological and pathological contexts. Linear actin filament elongation induced by Eps8 and IRSp53 is shown to promote functional and stable TNT formation. A micropatterning approach shows that TNTs originate via actin polymerization rather than cell dislodgement and exceed the length of conventional filopodia. Inhibition of Arp2/3 activity promotes functional TNT formation due to enhanced actin filament polymerization and elongation, suggesting a shift from branched to linear actin. An interaction between Eps8 and the I-BAR domain protein IRSp53 promotes formation of functional TNTs with an increased lifetime. Arp2/3 inhibition leads to reduction of Eps8 interactions with proteins facilitating actin filament depolymerization and turnover. Inhibition of branched actin networks reveals the role of linear actin filament polymerization in the formation of functional tunnelling nanotubes.
Article
Chemistry, Physical
Zhongyuan You, Shuting Wang, Zezhong Li, Yuxiao Zou, Tianyu Lu, Fang Wang, Bingxi Hu, Xin Wang, Lian Li, Weihai Fang, Ying Liu
Summary: The research focuses on semiconductor-based triboelectric nanogenerators (TENGs) due to the high demand for direct current (DC) power sources generated through the triboelectric effect. By using organic semiconductor Poly (3,4-ethylene dioxythiophene): poly(styrene sulfonate) (PEDOT: PSS) as a friction layer, the organic semiconductor-based DC TENGs achieved impressive performance with an open-circuit voltage of about 1 V, short-circuit current up to 309 mu A, internal resistance of approximately 2x10(4) Omega, and power density reaching 11.67 mW/m(2).
Article
Chemistry, Physical
Sheng Zhu, Zeyao Zhang, Jian Sheng, Guodong Jia, Jiangfeng Ni, Yan Li
Summary: Free-standing single-walled carbon nanotube films with a three-dimensional porous structure are prepared and applied as current collectors for flexible supercapacitors, showing advantages over conventional metal foil collectors. These films exhibit high mass loading efficiency, outstanding mechanical robustness, and excellent anti-corrosion properties. The electrochemical performance of the SWCNFs as current collectors is superior in terms of specific capacitance, rate capability, and cycling performance.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Electrochemistry
Hai-lan Chen, Guang-zhao Tian, Hao Yan, Song-xin Yang, Dong-Hwan Kim
Summary: By fabricating PEDOT nanotube array modified microelectrodes, this study successfully improved the electrical properties of neural electrodes, promoted cell adhesion and growth, and increased neurite extension and branching. In vitro experiments demonstrated that the PEDOT nanotube arrays provided good support for cells, even without the presence of other cell adhesion-promoting molecules.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Kernius Vilkevicius, Algirdas Selskis, Evaldas Stankevicius
Summary: This study investigates the formation of gold nanostructures (nanobumps, nanocones, and nanojets) on the surface of metal using laser direct writing technique with different laser wavelengths. Experimental results show that shorter wavelength lasers provide a more precise and efficient fabrication process for controlling the properties of the nanostructures, making them highly suitable for practical applications.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Sheng Wang, Wuhua Huang, Junlong Tian, Jie Peng, Juexian Cao
Summary: This study presents a near-infrared photodetector (NIR PD) based on a PbS quantum dot heterojunction and a carbon nanotube (CNT) field effect transistor (FET). The device achieves field-modulated carrier transport in a CNT transistor, effectively regulating the dark current by gate voltage. The PD exhibits an ultra-low dark current of 8 pA and has a fast response speed (6.5 ms) and high normalized detectivity (4.75 x 10^11 Jones) at specific power density and bias voltage.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Engineering, Chemical
Chaorui Xue, Ruizhi Xue, Ruirui Huang, Xiangqian Fan, Huinian Zhang, Wenjing Zheng, Ying Li, Ning Li, Qing Chang, Shengliang Hu
Summary: The performance of interfacial solar-driven water evaporation (ISDWE) technology was enhanced by anodized TiO2 nanotube film and applied voltage on Ti mesh. The water evaporation rate increased from 1.20 kg·m- 2·h-1 to 2.48 kg·m- 2·h-1. The hydrophilic and nanoporous nature of TiO2 nanotube film improved the solar absorptivity and wettability of Ti mesh, thereby reducing the water evaporation enthalpy and achieving a water evaporation rate of 1.98 kg·m- 2·h-1. The applied voltage also enhanced the salt-resistance property of Ti mesh coated with TiO2 nanotube film.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Materials Science, Composites
Yanqiu Shao, Xu Zhao, Lin Liu, Chuang Liu, Zirong Luo, Na Kong, Jinlong Tao, Jizhen Zhang
Summary: The increasing demand for advanced fiber materials for wearable intelligent devices poses a significant challenge in improving mechanical qualities without compromising chemical properties. This study explores the impact of different CNT loadings on the physical properties of PEDOT:PSS fibers and develops a wet spinning process for the continuous fabrication of PEDOT:PSS/CNT hybrid fibers. It is found that preventing the binding and aggregation of CNT within the fibers is the main challenge in mechanically reinforced PEDOT:PSS systems.
COMPOSITES COMMUNICATIONS
(2023)
Article
Polymer Science
Malgorzata Skorupa, Daria Wieclawska, Dominika Czerwinska-Glowka, Magdalena Skonieczna, Katarzyna Krukiewicz
Summary: The study focused on electrochemical doping of conducting polymers as a strategy enabling the efficient manufacturing of interfacing platforms, in which features could be easily adjusted. The results demonstrated that PEDOT-based materials can be efficiently tuned with diversified physicochemical properties by choosing the dopant and doping conditions. Thus, electrochemical doping of PEDOT was proven as a valuable strategy facilitating the development of promising tissue interfacing materials with tailored characteristics.
Article
Engineering, Electrical & Electronic
Zichen Zhang, Matthias Passlack, Gregory Pitner, Shreyam Natani, Sheng-Kai Su, Tzu-Ang Chao, San Lin Liew, Vincent D. -H. Hou, Chen-Feng Hsu, Wade E. Shipley, Nathaniel Safron, Gerben Doornbos, Tsung-En Lee, Iuliana Radu, Andrew C. Kummel, Prabhakar Bandaru, H. -S. Philip Wong
Summary: This article investigates a top-gate complementary carbon nanotube MOSFET, in which localized solid-state doping is used to set the device polarity and achieve performance matching. The technique is potentially applicable to other advanced field-effect transistor channel materials.
NATURE ELECTRONICS
(2023)
Article
Chemistry, Multidisciplinary
Tianle Gong, Jieda Chen, Pengjin Fang, Lin Liu, Chengyuan Li, Aijun Han, Ye Song
Summary: The study reveals the growth mechanism of anodic TiO2 nanotubes at low temperatures, confirms the temperature's impact on nanotubes' size, and refutes the field-assisted dissolution theory. Additionally, the formation process of nanotubes is clearly explained through the novel two-step anodization method.
Review
Pharmacology & Pharmacy
Tea Lanisnik Rizner, Andrea Romano
Summary: Drugs targeting local estrogen formation have been successfully used for the treatment of hormone dependent cancers and endometriosis. Inhibitors of aromatase and sulfatase have shown clinical effects, while inhibitors of 17beta-hydroxysteroid dehydrogenase 1 are still in preclinical studies.
FRONTIERS IN PHARMACOLOGY
(2023)
Review
Chemistry, Multidisciplinary
Martin Hartmann, Matthias Thommes, Wilhelm Schwieger
Summary: Hierarchically-ordered zeolites have gained increasing attention in the past 15 years for their outstanding properties in catalytic reactions with industrial relevance. Through the introduction of additional meso- or macropore systems, hierarchical zeolites combine the intrinsic properties of conventional zeolites with facilitated access and transport, showing potential for technical applications.
ADVANCED MATERIALS INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Zhenni Wu, Imgon Hwang, Gihoon Cha, Shanshan Qin, Ondrej Tomanec, Zdenek Badura, Stepan Kment, Radek Zboril, Patrik Schmuki
Summary: Anodic TiO2 nanotubes are shown to have excellent properties for harvesting Pt single atoms from highly dilute solutions. The tube walls provide suitable trapping sites for Pt SAs, and a high activity for photocatalytic H-2 generation can be achieved by immersing the nanotubes in a low concentration Pt solution. Overall, these findings demonstrate the potential of anodic TiO2 nanotubes for efficient Pt extraction and recovery, leading to highly active photocatalysts.
Article
Chemistry, Multidisciplinary
Shanshan Qin, Lancang Shui, Benedict Osuagwu, Nikita Denisov, Alexander B. Tesler, Patrik Schmuki
Summary: The study suggests that octahedral nanocubes with abundant {101} facets in anatase TiO2 nanocrystals produce over 4 times more H2 in photocatalytic H2 evolution compared to nanosheets enriched in {001} facets under co-catalyst-free conditions. However, when samples carry Pt co-catalyst on both {001} and {101} facets, the significance of faceting diminishes, indicating that the beneficial role of faceting is relevant only for co-catalyst-free surfaces.
Article
Chemistry, Physical
Ruijie Zhu, Huijun Yang, Wei Cui, Laras Fadillah, Tianhong Huang, Zetao Xiong, Chunmei Tang, Damian Kowalski, Sho Kitano, Chunyu Zhu, Daniel R. King, Takayuki Kurokawa, Yoshitaka Aoki, Hiroki Habazaki
Summary: This study successfully eliminates the growth of dendritic zinc crystals on the anode by using a high strength hydrogel polymer electrolyte, resulting in a long-lasting and stable zinc anode. This achievement brings high capacity and long lifespan zinc-ion batteries one step closer to practical application.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Energy & Fuels
Shanshan Qin, Nikita Denisov, Johannes Will, Jan Kolarik, Erdmann Spiecker, Patrik Schmuki
Summary: Removing non-active Pt SAs on TiO2 by cyanide leaching dramatically increases the co-catalytic activity of remaining Pt SAs, achieving a remarkable turnover frequency of 4.87 x 10(5) h(-1) for H-2 evolution.
Article
Energy & Fuels
Amer Inayat, Alexandra Inayat, Wilhelm Schwieger, Barbora Sokolova, Pavel Lestinsky
Summary: This study investigates the thermo-catalytic pyrolysis of LDPE using HZSM-5 catalysts with different acid site densities. The results show that the catalyst with the highest acid site density produces the highest concentration of aromatics, while the catalyst with the lowest acid site density produces the highest concentration of C-2-C-4 olefins. These findings are important for the chemical recycling of plastic wastes.
Article
Chemistry, Physical
Ruijie Zhu, Zetao Xiong, Huijun Yang, Tianhong Huang, Seongwoo Jeong, Damian Kowalski, Sho Kitano, Yoshitaka Aoki, Hiroki Habazaki, Chunyu Zhu
Summary: This article introduces a simple, effective, and non-corrosive electropolishing strategy for developing smooth and clean zinc metal. By removing the primitive passivation layer, the fresh zinc anode can withstand high current density for a long time. Moreover, electropolished zinc exhibits more consistent and reliable electrochemical behaviors, which contribute to the study of zinc electrodeposition mechanism and the effectiveness of protective strategies.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Amara Nasir, Anca Mazare, Xin Zhou, Shanshan Qin, Nikita Denisov, Lukas Zdrazil, Stepan Kment, Radek Zboril, Tariq Yasin, Patrik Schmuki
Summary: This study presents a low-cost, one-step photocatalytic method for synthesizing graphene oxide (GO) using commercial graphite and grey TiO2. GO formation is achieved through UV illumination of a slurry containing well-dispersed grey TiO2 and commercial graphite. The resulting GO-decorated TiO2 acts as a visible-light-active photocatalyst for applications such as pollutant degradation.
Article
Nanoscience & Nanotechnology
Ewa Kowalska, Saulius Juodkazis, Patrycja Henkiel, Damian Kowalski
Summary: This study demonstrates the electrochemical and plasmonic features of gold structures grown in anodic TiO2 nanotubes. The electroreduction of Au+ species from a potassium dicyanoaurate electrolyte leads to the formation of a gold/titania interface at the outer shell of the nanotubes. This unique configuration allows for the development of a specific shape of gold nanopore array, which exhibits enhanced light absorption and scattering due to surface plasmon resonance.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Analytical
Kunlei Wang, Oliwia Paszkiewicz, Mewin Vincent, Patrycja Henkiel, Damian Kowalski, Ewa Kowalska, Agata Markowska-Szczupak
Summary: Commercial titania photocatalyst-P25 was examined for its antifungal properties. Annealing was found to change the surface properties of the titania samples, enhancing their photocatalytic activity and antifungal effects. Large particle titania photocatalysts showed promising results in destroying fungal structures under mild irradiation conditions.
Article
Electrochemistry
Laras Fadillah, Damian Kowalski, Sho Kitano, Chunyu Zhu, Yoshitaka Aoki, Hiroki Habazaki
Summary: This study highlights the enhanced photocatalytic activity of Fe2O3 nanotubes through the formation of a hetero-junction with Fe2WO6 and doping of W6+ ions. The nanotubular Fe2O3/Fe2WO6 film demonstrates superior photoelectrochemical oxygen evolution reaction and degradation of methylene blue compared to the nanoporous W-free Fe2O3 film. The incorporation of W species into the alpha-Fe2O3 phase and the formation of the W-doped alpha-Fe2O3/Fe2WO6 heterojunction facilitate the separation of photogenerated electron-hole pairs, thereby enhancing photocatalytic activity. Therefore, the nanotubular Fe2O3/Fe2WO6 film shows great potential as a visible-light-driven photocatalyst.
ELECTROCHEMISTRY COMMUNICATIONS
(2023)
Article
Nanoscience & Nanotechnology
Mewin Vincent, Damian Kowalski
Summary: Anodizing is a powerful method to form electrochemically active materials, such as self-organized TiO2 nanotubes (TiNTs), which are highly interesting in battery field due to their unique 1D geometry and high volume expansion tolerance. A Raman spectroscopy study under current control was conducted to investigate Li+/Na+ storage in TiNTs. Real-time measurements revealed sequential phase transformations during lithium intercalation and slight crystallinity rupture during sodium-ion insertion, providing insights for further scale-up and application of TiNTs as negative electrodes in lithium-ion batteries.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Sho Kitano, Yuki Sato, Reiko Tagusari, Ruijie Zhu, Damian Kowalski, Yoshitaka Aoki, Hiroki Habazaki
Summary: This study presents a facile synthesis method for composite electrocatalysts with highly active performance for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR). The composite catalyst is composed of metal oxyhydroxides and spinel oxides containing Co, Ni, and Fe, and is synthesized by simultaneous production of metal hydroxide and layered double hydroxide (LDH) through precipitation method with controlled molar ratio, followed by moderate temperature calcination. The composite catalyst exhibits superb bifunctional performances and shows high power density and excellent durability when assembled in zinc-air batteries.
Article
Engineering, Environmental
Tamer M. Khedr, Kunlei Wang, Damian Kowalski, Said M. El-Sheikh, Hany M. Abdeldayem, Bunsho Ohtani, Ewa Kowalska
Summary: This article summarizes the principles, recent developments, and practical applications of Bi2WO6-based Z-scheme photocatalytic systems. It focuses on the types, mechanisms, and importance of constructing Z-scheme photocatalysts. Additionally, the differences between different types of photocatalysts and the role of unique structures in improving photocatalytic activity are discussed.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Physical
Yuki Sato, Naohito Yamada, Sho Kitano, Damian Kowalski, Yoshitaka Aoki, Hiroki Habazaki
Summary: This study demonstrates that highly graphitized platelet-type carbon nanofibers (pCNFs) are tolerant to electrochemical corrosion under oxygen evolution reaction (OER) conditions in a concentrated KOH electrolyte. The carbon edge plane of the pCNFs is covered with hydroxyl groups, resulting in the high resistance to electrochemical corrosion.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
