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Nanohidroksiapatit yüzeyinde desteklenmiş ve hidrojen fosfat iyonu ile kararlılaştırılmış rodyum 0 nanoparçacıları katalizörlüğünde amonyak boranın metanolizinden hidrojen üretimi
Date
2015-04-22
Author
Özhava, Derya
Özkar, Saim
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https://hdl.handle.net/11511/72041
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In this study, flash memory cells with high-k dielectric HfO2 as tunnel oxide and group IV (Si, Ge) nanocrystals were fabricated and tested. The device structure was grown by magnetron sputtering deposition method and analyzed by various diagnostic techniques such as X-ray Photoelectron Spectroscopy (XPS) and Raman spectroscopy. The use of HfO2 tunnel oxide dielectric with high permittivity constant was one of the main purposes of this study. The ultimate aim was to investigate the use of Si and Ge nanocrys...
Rhodium(0) nanoparticles supported on nano oxide crystalline materials: preparation, characterization and catalytic use in hydrogen generation from the methanolysis of ammonia borane /
Özhava, Derya; Özkar, Saim; Department of Chemistry (2018)
Ammonia borane (AB) has been considered as a chemical hydrogen storage materials, because of its high hydrogen storage capacity (19.6 wt%), nontoxicity, and stability under ordinary conditions. Hydrogen stored in AB can be liberated by thermolysis or solvolysis. Hydrolysis and methanolysis are the two solvolysis reactions producing hydrogen gas from AB. Although the hydrolysis of AB has been investigated for years extensively, the methanolysis of AB has been considered as an alternative way of releasing hyd...
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Nano Alümoksanın Epoksi İle İşlevselleştirilmesi Ve Yüzey Kaplamaları İçin Reçine Üretiminde Kullanılması
Gündüz, Güngör(2009-12-31)
Bu çalışmanın amacı nano alümoksan parçacıklarını epoksi ile işlevselleştirmek, fiziksel, mekanik özellikleri geliştirilmiş polimer nanobileşiklerini üretmek ve bu bileşikleri yüzey kaplamaları için kullanılabilecek hale getirmektir. Çizilme direnci yüksek malzeme üretiminde TEOS yaygın olarak kullanılmaktadır. Fakat ülkemizde üretilmemektedir, ayrıca pahalıdır. Bu projenin amacı ülkemizde çokça bulunan alüminyum hidroksiti kullanarak çizilme dayanımı yüksek boya ve kaplama malzemeleri için kullanmaktır. Bu...
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D. Özhava and S. Özkar, “Nanohidroksiapatit yüzeyinde desteklenmiş ve hidrojen fosfat iyonu ile kararlılaştırılmış rodyum 0 nanoparçacıları katalizörlüğünde amonyak boranın metanolizinden hidrojen üretimi,” 2015, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/72041.