Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"tungsten trioxide"”.
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Structural studies on Functional Materials using Solid-State NMR, Powder X-ray Diffraction and DFT Calculations
… structural changes in (MoO2)2P2O7 pyrophosphate, tungsten trioxide WO3 and negative thermal expansion ZrW2O8. DFT methods using CASTEP software to calculate 31P and 17O NMR parameters are performed on these structures and discussed in comparison to experimental results, published structures and …
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Investigating the interfacial process and bulk electrode chemistry in tungsten oxide electrochromic materials
… The present thesis focuses on classical tungsten trioxide (WO3) materials as the platform to uncover the previously unknown interrelationship between phase transformation, morphological evolution, nanoscale color heterogeneity, and performance degradation in these materials during 3,000 …
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Aspects of structural and electronic disorder in network materials: approaches to simulation
… properties of materials (particularly tungsten trioxide); secondly, derivation of a novel algorithm (Constrained Linear Maximization) for prediction of transition states by simulation, and its application to diffusion simulations in both crystalline network silicates and silica glass.
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Fabrication of smart glass electrochromic device using rf magnetron sputtering
… is optimized during the fabrication of tungsten trioxide (WO3) as an electrochromic glass for window glazing application by using RF magnetron sputtering. The oxygen flow rate for the deposition is varied from 10sccm -22sccm which is 25%, 27%, 30%, and 35% of oxygen flow. The structures …
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SYNTHESIS AND CHARACTERIZATION OF NEW ELECTROCATALYTIC MATERIALS TO IMPROVE THE PERFORMANCE, OPERABILITY AND LIFE-TIME OF PEMFCS
… and geometric effect. The supports such as tungsten trioxide (WO3) may bring its own (electro)chemical function for oxygen reduction reaction (ORR), methanol or CO oxidation. What’s more, the support materials can also influence the durability of the catalysts. The development of promising …
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Tištěný fotolektrochemický senzor modrého světla
Tato diplomová práce se zabývá fotoelektrochemickými senzory určené k detekci záření v modré oblasti viditelného spektra. Jako polovodivý materiál pro výrobu senzoru, byla použita suspenze oxidu wolframového. Jednotlivé prvky senzoru byly naneseny technikami tamponového tisku, nebo sítotiskem. …
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Polovodičové senzory plynů pro detekci organických plynů a par
V tejto bakalárskej práci sú rozobrané základné vlastnosti senzorov. Ďalej obsahuje prehľad v súčasnosti najčastejšie používaných typov senzorov plynov, ktoré sú rozdelené podľa ich fyzikálneho princípu. Jadrom práce je experimentálna časť, v ktorej je popísaný postup výroby senzorov s aktívnymi …