نتایج جستجو برای: microwave assisted synthesis

تعداد نتایج: 576400  

Journal: :Journal of the Turkish Chemical Society, Section A: Chemistry 2014

Journal: :Journal of Applied Mathematics and Decision Sciences 2001

Journal: :Nanotechnology 2013
Damian W Synnott Michael K Seery Steven J Hinder John Colreavy Suresh C Pillai

A novel ambient pressure microwave assisted technique is developed in which silver and indium-modified ZnS is synthesized. The as-prepared ZnS is characterized by x-ray diffraction, UV-vis spectroscopy, x-ray photoelectron spectroscopy and luminescence spectroscopy. This procedure produced crystalline materials with particle sizes below 10 nm. The synthesis technique leads to defects in the cry...

2012
Kadir Ozden Yerdelen

In this study, solvent-free and phase transfer catalysis conditions coupled with microwave irradiation and their advantages in synthesis of N-alkylation of primary anilines were reported. In this way two different microwave processing techniques were compared in terms of reaction yields. Consequently, microwave irradiation significantly reduced reaction times compared to traditional heating met...

2011
Vladimír Církva Stanislav Relich

This review article is the second of the comprehensive series on survey of the microwave photochemical and photocatalytic processes, and is focused specially on the microwave-assisted photochemical applications of the electrodeless discharge lamps (EDLs) in organic synthesis. The concept of microwave organic photochemistry is an important issue in synthetic chemistry and material science, and i...

Journal: :Physical chemistry chemical physics : PCCP 2013
Jose Tharun George Mathai Roshith Roshan Amal Cherian Kathalikkattil Kim Bomi Dae-Won Park

Microwave-assisted quaternization of glycine (GLY) resulted in the synthesis of an efficient catalyst, quaternized glycine (QGLY), for the solventless synthesis of cyclic carbonates from epoxides and CO2 under mild reaction conditions. Density functional theory was used to simulate the synergistic influence of the COOH group and the halide ion of QGLY in enhancing the catalytic activity.

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