Essays about: "raman applications"

Showing result 1 - 5 of 30 essays containing the words raman applications.

1. 1. Phonons in 1-D Graphene Nanoribbons Probed with Raman Spectroscopy : Unraveling Fundamental Properties in 9-atom-wide Graphene Nanoribbons

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Angel Victor Labordet Alvarez; [2023]
   Keywords : 9-armchair graphene nanoribbons 9-AGNRs ; polarization Raman Spectroscopy PRS ; temperature-dependent Raman spectroscopy; thermal sensitivity; thermal stability; Grüneisen parameter χ ; anharmonicities; vibrational modes G; D; RBLM .; 9-armchair grafen nanoribbons 9-AGNRs ; polarisation Raman spektroskopi PRS ; temperaturberoende Raman spektroskopi; termisk känslighet; termisk stabilitet; Grüneisen parameter χ ; anharmoniciteter; vibrationslägen G; D; RBLM .;

   Abstract : This report employs advanced Raman spectroscopy techniques to investigate the fundamental properties of 9-AGNRs comprehensively. It is divided into two main sections addressing distinct aspects of 9-AGNR behavior. In the first section, Polarization Raman spectroscopy (PRS) probes phonon mode symmetries in 9-AGNRs. READ MORE

3. 2. Synthesis and Characterization of Multi-component Metal Oxides based on Ru-Co-Mo as Oxygen Evolving Electrocatalysts

   University essay from Umeå universitet/Institutionen för fysik

   Author : Jonas Tejbo; [2023]
   Keywords : catalyst; metal-oxide; electrolysis;

   Abstract : Finding materials based on non-rare earth metals is vital for the global transition to a more sustainable economy. Discovering useful properties in common metal oxides is a promising avenue for new materials. READ MORE

4. 3. Study of luminescent and energy properties of CsPbBr3 and CsPbI3 nanoplatelets

   University essay from Uppsala universitet/Institutionen för fysik och astronomi

   Author : Taddeo Salique; [2022]
   Keywords : quantum confinement; nanoplatelets; CsPbBr3; CsPbI3; semiconductor; exciton; perovskite nanocrystals;

   Abstract : Halide perovskite semiconductor nanocrystals have been studied a lot recently because they allow a precise control over the entire visible emission spectrum and as a result, the possibility of a variety of light-emitting applications. In this study, cesium lead bromide CsPbBr3 and cesium lead iodide CsPbI3 nanoplatelets of 3, 4 and 5 monolayers (ML) have been synthesized. READ MORE

5. 4. Synthesis of Graphene - Carbon Nanotube Hybrid Structures

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Aniruddha Paul; [2021]
   Keywords : Graphene; Carbon nanotubes; Graphene-CNT hybrid structures; Chemical Vapor Deposition CVD ; Grafen; Kolnanorör; Grafen-CNT-hybridstrukturer; Kemisk ångdeposition CVD ;

   Abstract : Graphene and Carbon nanotubes (CNTs) have been researched for more than a decade due to their extraordinary properties and advantages towards applications like electronics, structural re-enforcements, thermal management and energy storage. Graphene-CNT hybrid structures have been predicted to further enhance the exceptional properties and overcome some of the shortcomings of the individual materials. READ MORE

6. 5. Iron-catalyzed graphitization of biochar to produce graphitic carbon materials

   University essay from KTH/Materialvetenskap

   Author : Ziyi Shi; [2021]
   Keywords : graphite; biochar; catalyst; catalytic graphitization; grafit; biokol; katalysator; katalytisk grafitisering;

   Abstract : Demand for high-quality graphite is expected to experience an extraordinary growth rate, in large part due to its wide range of industrial applications such as adsorbents, lubricants, electrodes, etc. This thesis developed a novel sustainable approach to produce green-graphite materials by applying biochar, acarbon-rich valuable by-product obtained from biomass, as a carbon precursor. READ MORE