نتایج جستجو برای: porous piezo materials

تعداد نتایج: 479291  

2007
Tapas Kumar Maji Susumu Kitagawa

Remarkable advances in the recent development of porous compounds based upon coordination polymers have paved the way toward functional chemistry having potential applications such as gas storage, separation, and catalysis. From the synthetic point of view, the advantage is a designable framework, which can readily be constructed from building blocks, the so-called bottom-up assembly. Compared ...

Journal: :Mechanics of Advanced Materials and Structures 2023

The present work deals with evaluating the nonlinear deflections of smart sandwich plate agglomerated Carbon Nanotubes (CNTs) porous core and piezo-magneto-electric (PME) facings, using a novel finite element method (FEM) – artificial neural network (ANN) approach. For first time, an ANN-based computational tool that integrates effects agglomeration CNTs, porosity pyro-coupling PME materials is...

Journal: :Nanoscale 2017
Yuan Wang Xitong Chen Qipu Lin Aiguo Kong Quan-Guo Zhai Shilei Xie Pingyun Feng

High levels of iron-nitrogen doped porous carbon materials are obtained from MOF-253 using a step-by-step post-synthetic modification strategy. MOF-253 possessing open 2,2'-bipyridine nitrogen sites not only serves as a precursor but also provides chelate bonding sites for Fe2+. Followed by further impregnation of 1,10-phenanthroline, high surface area porous carbon materials are obtained. For ...

2006
B. P. Thomas K. V. Rajendran S. A. Pillai

NDT of porous material using conventional methods is difficult due to signal attenuation, low sensitivity, problems due to surface irregularities etc. In this paper the feasibility of using digital holographic interferometry to detect defects in porous materials is investigated and discussed. The basic methodology of digital holographic interferometry for defect detection is presented. Proper e...

2016
Wojciech Depczynski Robert Kazala Krzysztof Ludwinek Katarzyna Jedynak

This paper presents selected characteristics of the metallic porous materials produced by the sintering of metal powders. The authors focus on materials produced from the iron powder (Fe) of ASC 100.29 and Distaloy SE. ASC 100.29 is formed by atomization and has a characteristic morphology. It consists of spherical particles of different sizes forming agglomerates. Distaloy SE is also based on ...

2016
Alexander Schoedel Omar M. Yaghi

Edited by Reed M. Izatt. © 2016 John Wiley & Sons, Ltd. Published 2016 by John Wiley & Sons, Ltd. Inorganic zeolites [1], mesoporous silica [2], and porous carbon [3] are useful materials because of their permanent porosity imparted by their architectural stability in the absence of guest molecules. The chemical functionalization and structure control of these classes of porous materials have b...

Journal: :Nanoenergy advances 2022

Nanogenerators, based on piezoelectric or triboelectric materials, have emerged in the recent years as an attractive cost-effective technology for harvesting energy from renewable and clean sources, but also human sensing biomedical wearable/implantable applications. Advances materials engineering enlightened new opportunities creation use of novel biocompatible soft well micro/nano-structured ...

2013
Zhong Lin Wang Wenzhuo Wu

Technology advancement that can provide new solutions and enable augmented capabilities to complementary metal–oxide–semiconductor (CMOS)-based technology, such as active and adaptive interaction between machine and human/ambient, is highly desired. Piezotronic nanodevices and integrated systems exhibit potential in achieving these application goals. Utilizing the gating effect of piezopotentia...

2017
Fei Xue Leijing Yang Mengxiao Chen Jian Chen Xiaonian Yang Longfei Wang Libo Chen Caofeng Pan Zhong Lin Wang

Combining layered MoS2 flakes with conventional 3D semiconductors is a feasible route to fabricate high-quality heterojunction devices by harnessing the advantages of both materials. Here, we present a pressure-modulated heterojunction photodiode that is composed of an n-type multilayer MoS2 and a p-type GaN film via the piezo-phototronic effect. Under the illumination of 365 nm incident light,...

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