Colloidal Chemical Nanomotors
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Beschreibung
Synthetic sophisticated nanostructures represent a fundamental building block for the development of nanotechnology. The fabrication of nanoparticles complex in structure and material composition is key to build nanomachines that can operate as man-made nanoscale motors, which autonomously convert external energy into motion.
To achieve this, asymmetric nanoparticles were fabricated combining a physical vapor deposition technique known as NanoGLAD and wet chemical synthesis.
This thesis primarily concerns three complex colloidal systems that have been developed:
i)Hollow nanocup inclusion complexes that have a single Au nanoparticle in their pocket. The Au particle can be released with an external trigger.
ii)The smallest self-propelling nanocolloids that have been made to date, which give rise to a local concentration gradient that causes enhanced diffusion of the particles.
iii)Enzyme-powered pumps that have been assembled using bacteriophages as biological nanoscaffolds. This construct also can be used for enzyme recovery after heterogeneous catalysis.
Autor*in
Mariana Alarcon Correa
Themen in »Colloidal Chemical Nanomotors«
Inorganic inclusion complexes Janus particles Nanofabrication bacteriophages biohybrid materials enhanced diffusion enzymatic micropumps enzyme recovery self-propelling nanoparticles