نتایج جستجو برای: moo3

تعداد نتایج: 910  

2005
A. Mekki G. D. Khattak L. E. Wenger

A series of tellurite glasses containing MoO3 with the nominal composition x(MoO3)–(1 x)(TeO2), where x = 0.10, 0.20, 0.30, and 0.40, have been investigated using X-ray photoelectron spectroscopy (XPS) and temperature-dependent magnetization techniques. The Te 3d core level spectra for all glass samples show symmetrical peaks at essentially the same binding energies as measured for TeO2 oxide a...

Journal: :Catalysts 2023

Molecular imprinting (MI) technology has been used in electrochemical analysis because of its unique selectivity and specificity. In this work, an sensor based on in-situ inorganic MI-Au-MoO3/graphene for bisphenol A (BPA) is designed, where MI-MoO3 hybridized with graphene nanosheets Au nanoparticles, BPA acted as the temple molecular. Differential pulse voltammetry (DPV) was to evaluate sensi...

1999
K. Hermann M. Witko A. Michalak

The electronic structure and bonding at different oxygen sites of MoO3(0 1 0) and (1 0 0) surfaces is reviewed on the basis of ab initio density functional theory (DFT-LCGTO) cluster calculations. The clusters are chosen as ®nite sections of the ideal MoO3 surface where cluster embedding is achieved by bond saturation with hydrogen terminator atoms yielding clusters up to Mo7O30H18. Resulting c...

2012
K. Tsuchiya M. Tanase N. Takeuchi M. Kobayashi Y. Hasegawa H. Yoshinaga M. Kaminaga M. Ishihara H. Kawamura

The renewed JMTR will be started from the later half of JFY2012, and it is expected to contribute to many fields. As one of effective uses of the JMTR, JAEA has a plan to produce Mo by (n, ) method ((n, γ)Mo production), a parent nuclide of Tc. Tc is most commonly used as a radiopharmaceutical in the field of nuclear medicine. In case of Japan, the supply of Mo depends only on imports from fore...

2009
Michael Kröger Sami Hamwi Jens Meyer Thomas Riedl Wolfgang Kowalsky Antoine Kahn

A study on p-doping of organic wide band gap materials with Molybdenum trioxide using current transport measurements, ultraviolet photoelectron spectroscopy and inverse photoelectron spectroscopy is presented. When MoO3 is co-evaporated with 4,40-Bis(N-carbazolyl)-1,10-biphenyl (CBP), a significant increase in conductivity is observed, compared to intrinsic CBP thin films. This increase in cond...

2004
Akhilesh K. Arora Takehiko Yagi Nobuyoshi Miyajima

The behavior of negative thermal-expansion material scandium molybdate Sc2sMoO4d3 is investigated at high pressure (HP) and high temperature (HT) using x-ray diffraction, Raman spectroscopy, and scanning electron microscopy. The compound exhibits unusually high compressibility (bulk modulus ,6 GPa) and undergoes amorphization at 12 GPa. On the other hand, in situ laser heating of amorphous samp...

Journal: :Nanoscale 2015
Yunfeng Li Yanjie Hu Jianhua Shen Haibo Jiang Guoquan Min Shengjie Qiu Zhitang Song Zhuo Sun Chunzhong Li

The rational design of nanoheterostructured materials has attracted much attention because of its importance for developing highly efficient LIBs. Herein, we have demonstrated that internal Mo(6+) doped TiO2 nanocrystals in situ decorated with highly dispersed MoO3 clusters have been realized by a facile and rapid flame spray pyrolysis route for electrochemical energy storage. In such intriguin...

Journal: :Nano letters 2017
Sungwook Hong Aravind Krishnamoorthy Pankaj Rajak Subodh Tiwari Masaaki Misawa Fuyuki Shimojo Rajiv K Kalia Aiichiro Nakano Priya Vashishta

Transition metal dichalcogenides (TMDC) like MoS2 are promising candidates for next-generation electric and optoelectronic devices. These TMDC monolayers are typically synthesized by chemical vapor deposition (CVD). However, despite significant amount of empirical work on this CVD growth of monolayered crystals, neither experiment nor theory has been able to decipher mechanisms of selection rul...

2016
M Fabian E Svab M Milanova

The structure of molybdate glasses have been investigated by neutron and highenergy X-ray diffraction coupled with Reverse Monte Carlo (RMC) simulation technique. From the modelling the partial atomic correlation functions gij(r), the coordination number distributions CNij and bond angle distributions have been revealed. For binary 90MoO310Nd2O3 glass composition the fraction of MoO4/MoO6 was 0...

2016
Kunlun Ding Ahmet Gulec Alexis M. Johnson Tasha L. Drake Weiqiang Wu Yuyuan Lin Eric Weitz Laurence D. Marks Peter C. Stair

Supported metal oxide based olefin metathesis catalysts are widely used in the chemical industry. In comparison to their organometallic catalyst cousins, the oxide catalysts have much lower activity due to the very small fraction of active sites. We report that a simple pretreatment of MoO3/SiO2 and WO3/SiO2 under an olefincontaining atmosphere at elevated temperatures leads to a 100−1000fold i...

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