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Researcher/Technical Project Manager at University of Bath from United Kingdom · Gloucester

The University of Bath is a leading UK research university, dedicated to making a positive impact to the world we live in. The superb facilities and practical support available at the University has created an ethos and environment which inspires a culture of innovation and fresh thinking. The University’s researchers engage closely with industry, the public and policy makers to explore challenging projects that examine the questions and inform the solutions that make a difference to society. The University of Bath offers innovative and demanding degree programmes to the world’s brightest students, giving them the skills they need to succeed in the most competitive work environments. It is located in the UNESCO World Heritage City of Bath, UK. The city was established as a Roman spa town and is famous for its spectacular Georgian architecture.

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ICFO NEST Fellow at ICFO from Spain · Barcelona Area

I enjoy developing and understanding new materials that can improve existing technologies and create new ones. My current research is focused on semiconductor nanomaterials and thin films for optoelectronic applications like solar cells. I work on the synthesis and characterization of inorganic semiconductor and metallic thin films and nanoparticles. I use nanomaterials to make solar cells (photovoltaics) and other type of devices like thin film transistors (FETs) and photodetectors. Ultimately, I measure the efficiency and various optical and electronic properties of those devices and use the results as feedback to to innovate on and improve the conditions used during material growth and processing. Some material and thin film fabrication techniques I apply in my research are: -Physical Vapor Deposition (PVD) e.g. sputtering, thermal evaporation) -Thermal annealing processes i.e. rapid thermal annealing (RTP) -Colloidal synthesis of nanoparticles and quantum dots i.e. hot injection method -Sol-Gel i.e. for fabrication of oxide thin films In my work I use a number of material characterization techniques like -TEM, HREM, SAED, XRD, XPS, UPS, FT-IR, Raman, TGA, SEM, FIB, EDX, UV-Vis, PL, Cyclic Voltammetry Some of the most common optoelectronic measurements and analysis methods I utilize for understanding the physics of my semiconductor materials and devices are: -J-V characteristics under solar light -External quantum efficiency (EQE) measurements at short circuit and applied bias conditions -C-V characteristics and Mott-Schottky analysis -Transient photo- voltage and current (TPV, TPC) measurements -Stress and aging test of solar cells under various environmental conditions Some types of materials I am very familiar with are: -Quantum dots (e.g. PbS, CdS, PbSe) -Semiconductor Nanoparticles (e.g. Bi2S3, SnS) -Wide bandgap semiconductor films (e.g. ZnO, Ti2O) -Semiconductor polymers (e.g. P3HT, MEH-PPV).

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Professor / PhD. at University of Lleida from Spain