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Showing 10 out of a total of 11 results for community: Universitat de Barcelona. (0.623 seconds)

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Towards High Performance Nanostructured Thermoelectric Materials. A Bottom-Up Approach

Cadavid, Doris (Date of defense: 12-03-2014)
En esta tesis se usa la estrategia de “Bottom-up” para la producción de materiales termoeléctricos nano-estructurados con alta eficiencia termoeléctrica. Esta técnica proporciona un amplio rango de posibilidades para ...
Bottom-up Engineering of Thermoelectric Nanomaterials and Devices from Solution-Processed Nanoparticle Building Blocks

Ortega Torres, Silvia (Date of defense: 20-07-2017)
In the world around us, it is easy to think in different situations in which there are temperature gradients available. These could be converted into a great source of energy if using the proper technology. Thermoelectric ...
Solution Growth and Functional Properties of Vertically Aligned ZnO Nanowires

Fan, Jiandong (Date of defense: 19-07-2013)
This dissertation has focused on three main topics: (1) Synthesis and characterization of ZnO:Cl NWs; (2) Hetero and homo nanostructures based on ZnO:Cl NWs for efficient PEC cells; (3) Photovoltaic performance of DSCs ...
Shape Control and Functional Properties of Copper Chalcogenide Colloidal Nanocrystals

Li, Wenhua (Date of defense: 01-10-2013)
The high quality CuxS nanocrystals were synthesized (Chapter 3) and the profound understanding and skills to prepare colloidal nanocrystals has been obtained and improved. It revealed a very simple synthetic route not only ...
Solution-Processing of Chalcogenide Nanoparticles and Thin Films for Photovoltaic Applications

Carreté, Àlex (Date of defense: 29-05-2015)
Thin film solar cells based on direct band gap semiconductors have attracted much research during last decades. Thin film technologies are currently commercial and display record power conversion efficiencies up to 20% at ...
Compositional Engineering of Colloidal Nanoparticles for Energy Conversion

Luo, Zhishan (Date of defense: 19-12-2016)
The main objective of this thesis focuses on compositional design and engineering colloidal NPs and their application in energy conversion. This principally included the synthesis and characterization of colloidal NPs, and ...
Functional Nanomaterials from the Bottom-up Assembly of Colloidal Nanoparticles. A Strategy Towards Efficient Thermoelectrics

Ibáñez Sabaté, Maria (Date of defense: 05-03-2013)
The work developed during this PhD has embraced several topics that I divide in three blocks. Each block contains two chapters in this dissertation. Additionally, a general introduction of the different topics is provided ...
Assembly of colloidal nanocrystals into porous nanomaterials

Berestok, Taisiia (Date of defense: 13-07-2018)
This thesis focuses on different aspects of NCs colloidal synthesis, the exploration of the relevant surface chemistries that afford NC assembly and the NC implementation into porous nanomaterials. The work is divided ...
Bottom-up Engineering of Chalcogenide Thermoelectric Nanomaterials

Liu, Yu (Date of defense: 12-07-2018)
In this thesis, it is detailed the bottom-up production and characterization of thermoelectric (TE) nanomaterials with significant enhanced performance by using colloidal nanocrystals (NCs) as building blocks. The production ...
Colloidal Metal Phosphide Nanocrystals for Electrochemical Energy Technologies

Liu, Junfeng (Date of defense: 10-05-2019)
Metal phosphides are an important class of functional materials that exhibit a wide range of applications for energy storage and conversion. However, the synthesis of metal phosphide nanoparticles and its scalability is ...