Nanomaterials

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Synthesis of Si, N co-Doped Nano-Sized TiO2 with High Thermal Stability and Photocatalytic Activity by Mechanochemical Method
Nanomaterials - Tập 8 Số 5 - Trang 294
Peisan Wang, Chunxia Qi, Pengchao Wen, Luyuan Hao, Xin Xu, Simeon Agathopoulos
Τhe photocatalytic activity in the range of visible light wavelengths and the thermal stability of the structure were significantly enhanced in Si, N co-doped nano-sized TiO2, and synthesized through high-energy mechanical milling of TiO2 and SiO2 powders, which was followed by calcination at 600 °C in an ammonia atmosphere. High-energy mechanical milling had a pronounced effect on the mix...... hiện toàn bộ
From Macro to Mesoporous ZnO Inverse Opals: Synthesis, Characterization and Tracer Diffusion Properties
Nanomaterials - Tập 11 Số 1 - Trang 196
Shravan R. Kousik, Diane Sipp, Karina Abitaev, Yawen Li, Thomas Sottmann, Kaloian Koynov, Petia Atanasova
Oxide inverse opals (IOs) with their high surface area and open porosity are promising candidates for catalyst support applications. Supports with confined mesoporous domains are of added value to heterogeneous catalysis. However, the fabrication of IOs with mesoporous or sub-macroporous voids (<100 nm) continues to be a challenge, and the diffusion of tracers in quasi-mesoporous IOs is...... hiện toàn bộ
Configuration and Optimization of a Minichannel Using Water–Alumina Nanofluid by Non-Dominated Sorting Genetic Algorithm and Response Surface Method
Nanomaterials - Tập 10 Số 5 - Trang 901
Ali Akbar Ahmadi, Masoud Arabbeiki, Hafız Muhammad Ali, Marjan Goodarzi, Mohammad Reza Safaei
Nanofluids in minichannels with various configurations are applied as cooling and heating fluids. Therefore, it is essential to have an optimal design of minichannels. For this purpose, a square channel with a cylinder in the center connected to wavy fins at various concentrations of an Al2O3 nanofluid is simulated using the finite volume method (FVM). Moreover, central composite design (C...... hiện toàn bộ
Three-Dimensional Honeycomb-Like Porous Carbon with Both Interconnected Hierarchical Porosity and Nitrogen Self-Doping from Cotton Seed Husk for Supercapacitor Electrode
Nanomaterials - Tập 8 Số 6 - Trang 412
Hui Chen, Gang Wang, Long Chen, Bin Dai, Feng Yu
Hierarchical porous structures with surface nitrogen-doped porous carbon are current research topics of interest for high performance supercapacitor electrode materials. Herein, a three-dimensional (3D) honeycomb-like porous carbon with interconnected hierarchical porosity and nitrogen self-doping was synthesized by simple and cost-efficient one-step KOH activation from waste cottonseed hu...... hiện toàn bộ
Can an InChI for Nano Address the Need for a Simplified Representation of Complex Nanomaterials across Experimental and Nanoinformatics Studies?
Nanomaterials - Tập 10 Số 12 - Trang 2493
Iseult Lynch, Antreas Afantitis, Thomas Exner, Martin Himly, Vladimir Lobaskin, Philip Doganis, Dieter Maier, Natasha Sanabria, Anastasios G. Papadiamantis, Anna Rybińska‐Fryca, Maciej Gromelski, Tomasz Puzyn, Egon Willighagen, Blair D. Johnston, Mary Gulumian, Marianne Matzke, Amaia Green Etxabe, Nathan Bossa, Angela Serra, Irene Liampa, Stacey L. Harper, Kaido Tämm, Alexander CØ Jensen, Pekka Kohonen, Luke T. Slater, Andreas Tsoumanis, Dario Greco, David A. Winkler, Haralambos Sarimveis, Georgia Melagraki
Chemoinformatics has developed efficient ways of representing chemical structures for small molecules as simple text strings, simplified molecular-input line-entry system (SMILES) and the IUPAC International Chemical Identifier (InChI), which are machine-readable. In particular, InChIs have been extended to encode formalized representations of mixtures and reactions, and work is ongoing to...... hiện toàn bộ
Enhancement of InSe Field-Effect-Transistor Performance against Degradation of InSe Film in Air Environment
Nanomaterials - Tập 11 Số 12 - Trang 3311
Yadong Zhang, Xiaoting Sun, Kunpeng Jia, Huaxiang Yin, Qingzhu Zhang, Jiahan Yu, Zhenhua Wu
The degradation of InSe film and its impact on field effect transistors are investigated. After the exposure to atmospheric environment, 2D InSe flakes produce irreversible degradation that cannot be stopped by the passivation layer of h-BN, causing a rapid decrease for InSe FETs performance, which is attributed to the large number of traps formed by the oxidation of 2D InSe and adsorption...... hiện toàn bộ
Pseudo-Interface Switching of a Two-Terminal TaOx/HfO2 Synaptic Device for Neuromorphic Applications
Nanomaterials - Tập 10 Số 8 - Trang 1550
Hojeong Ryu, Sungjun Kim
Memristor-type synaptic devices that can effectively emulate synaptic plasticity open up new directions for neuromorphic hardware systems. Here, a double high-k oxide structured memristor device (TaOx/HfO2) was fabricated, and its synaptic applications were characterized. Device deposition was confirmed through TEM imaging and EDS analysis. During the forming and set processes, switching o...... hiện toàn bộ
Facile Synthesis of Battery-Type CuMn2O4 Nanosheet Arrays on Ni Foam as an Efficient Binder-Free Electrode Material for High-Rate Supercapacitors
Nanomaterials - Tập 13 Số 6 - Trang 1125
Chandu V. V. Muralee Gopi, R. Ramesh, Rajangam Vinodh, Salem Alzahmi, Ihab M. Obaidat
The development of battery-type electrode materials with hierarchical nanostructures has recently gained considerable attention in high-rate hybrid supercapacitors. For the first time, in the present study novel hierarchical CuMn2O4 nanosheet arrays (NSAs) nanostructures are developed using a one-step hydrothermal route on a nickel foam substrate and utilized as an enhanced battery-type el...... hiện toàn bộ
The Nanofication and Functionalization of Bacterial Cellulose and Its Applications
Nanomaterials - Tập 10 Số 3 - Trang 406
Soon Mo Choi, Eun Joo Shin
Since economic and environmental issues have become critical in the last several years, the amount of sustainable bio-based production has increased. In this article, microbial polysaccharides, including bacterial cellulose (BC), are analyzed as promising resources with the potential for applications in biofields and non-biofields. Many scientists have established various methods of BC pro...... hiện toàn bộ
NiS2@MoS2 Nanospheres Anchored on Reduced Graphene Oxide: A Novel Ternary Heterostructure with Enhanced Electromagnetic Absorption Property
Nanomaterials - Tập 9 Số 2 - Trang 292
Zhi Zhang, Xuliang Lv, Yiwang Chen, Pin Zhang, Mingxu Sui, Hui Liu, Xiaodong Sun
For the purposes of strength, military equipment camouflage, and protecting the health of organisms, electromagnetic wave absorbing materials have received a lot of attention and are widely studied. In addition to having a strong absorption intensity and a wide effective absorption bandwidth, materials that are lightweight, thermally stable, and antioxidative are also highly desirable. In ...... hiện toàn bộ
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