نتایج جستجو برای: silver nanosheets

تعداد نتایج: 50687  

Journal: :ACS nano 2014
Hongli Zhu Yuanyuan Li Zhiqiang Fang Jiajun Xu Fangyu Cao Jiayu Wan Colin Preston Bao Yang Liangbing Hu

In this work, we report a dielectric nanocomposite paper with layered boron nitride (BN) nanosheets wired by one-dimensional (1D) nanofibrillated cellulose (NFC) that has superior thermal and mechanical properties. These nanocomposite papers are fabricated from a filtration of BN and NFC suspensions, in which NFC is used as a stabilizer to stabilize BN nanosheets. In these nanocomposite papers,...

Lithium intercalation is a convenient method to prepare few-layer and single-layer MS2 (M=Mo, W) nanosheets. This method is, however, very time-consuming (few days) and it is difficult to control the reaction parameters. To overcome these drawbacks, we have proposed a method to use an Li battery set-up to significantly reduce the reaction time (few hours) and electrochemically intercalate lithi...

2017
Huibo Chi Yan Gu Tingting Xu Feng Cao

To study the cellular uptake mechanism of multifunctional organic-inorganic hybrid nanoparticles and nanosheets, new chitosan-glutathione-valine-valine-layered double hydroxide (CG-VV-LDH) nanosheets with active targeting to peptide transporter-1 (PepT-1) were prepared, characterized and further compared with CG-VV-LDH nanoparticles. Both organic-inorganic hybrid nanoparticles and nanosheets sh...

2015
Shermin Arab P. Duke Anderson Chun-Yung Chi P. Daniel Dapkus Michelle L. Povinelli Stephen B. Cronin

GaAs nanosheets with no twin defects, stacking faults, or dislocations are excellent candidates for optoelectrical applications. Their outstanding optical behavior and twin free structure make them superior to traditionally studied GaAs nanowires. While many research groups have reported optically resonant cavities (i.e., Fabry−Perot) in 1D nanowires, here, we report an optical cavity resonance...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2010
Chengzhou Zhu Shaojun Guo Yueming Zhai Shaojun Dong

In this report, we succeed in constructing a hybrid three-dimensional (3D) nanocomposite film by alternatively assembling the graphene nanosheets modified by ionic liquid (IL) and Pt nanoparticles (Pt NPs). In this strategy, an imidazolium salt-based ionic liquid (IS-IL)-functionalized graphene was synthesized by covalently binding 1-(3-aminopropyl)-3-methylimidazolium bromide onto graphene nan...

Ahmad Allahbakhsh Farhad Sharif M. R. Kalaee Saeedeh Mazinani,

In this study, an efficient and facile technique for preparing graphene oxide in suspension and powder forms was presented based on a modification on Hummers' method followed by an additional ultrasonic process. The method involved the provision of graphene oxide from graphite by reaction of potassium permanganate and sulfuric acid with stabilizing the medium complex. Furthermore, this study ev...

Journal: :Nanoscale 2012
Yongming Tian Christine M Beavers Tito Busani Kathleen E Martin John L Jacobsen Brandon Q Mercado Brian S Swartzentruber Frank van Swol Craig J Medforth John A Shelnutt

Crystalline solids self-assembled from anionic and cationic porphyrins provide a new class of multifunctional optoelectronic micro- and nanomaterials. A 1 : 1 combination of zinc(II) tetra(4-sulfonatophenyl)porphyrin (ZnTPPS) and tin(IV) tetra(N-methyl-4-pyridiniumyl)porphyrin (SnTNMePyP) gives porphyrin nanosheets with high aspect ratios and varying thickness. The room temperature preparation ...

2018
Wenjin Wan Yuehua Li Xingping Ren Yinping Zhao Fan Gao Heyun Zhao

Two dimensional (2D)SnO2 nanosheets were synthesized by a substrate-free hydrothermal route using sodium stannate and sodium hydroxide in a mixed solvent of absolute ethanol and deionized water at a lower temperature of 130 °C. The characterization results of the morphology, microstructure, and surface properties of the as-prepared products demonstrated that SnO2 nanosheets with a tetragonal ru...

Journal: :Physical chemistry chemical physics : PCCP 2016
Xiao Ji Kui Xu Chi Chen Bao Zhang Yunjun Ruan Jia Liu Ling Miao Jianjun Jiang

Pseudocapacitors, which can store more energy at high charge/discharge rates, have attracted considerable attention. The performance of a pseudocapacitive material mainly depends on the interaction between electrode materials and the electrolyte ions. However, the understanding of the interaction is still limited. Here, the performance of Ti2CT2 (T = O, F, and OH) nanosheets as pseudocapacitor ...

2017
Rui Tian Jiaheng Sun Yanfei Qi Boyu Zhang Shuanli Guo Mingming Zhao

Nanozyme-based colorimetric sensors have received considerable attention due to their unique properties. The size, shape, and surface chemistry of these nanozymes could dramatically influence their sensing behaviors. Herein, a comparative study of VO₂ nanoparticles with different morphologies (nanofibers, nanosheets, and nanorods) was conducted and applied to the sensitive colorimetric detectio...

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