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March 20th 2014
Seminar
Hydrogen is the perfect fuel of the future, because it has a high energy density and gives zero emission upon burning. Ideally it should be produced from water in a sustainable way, for example using solar light to drive water electrolysis. In this lecture the concept of an integrated water splitting microsystem, based on silicon-based microwires combined with a membrane that physically separates the produced oxygen and hydrogen gases but in the meantime allows ionic transport between
March 19th 2014
Seminar
Earth Abundant Materials for Solar Fuels: An Atomic Layer Deposition Approach Commercial solar energy conversion is currently enjoying remarkable growth. However, our fundamental understanding of the materials and surface chemistry that influence the interfaces necessary to achieve more affordable energy solutions has just begun. As such, we aim to ascertain and influence the arrangement of atoms at interfaces, which dictate the underlying physics in assemblies that convert solar radiation to electricity or fuels.
March 6th 2014
Seminar
Today, Li-ion batteries provide the highest energy density of all existing systems. However, most car manufacturers agree that the Li-ion technology is still not satisfactory for long distance EV use. Higher energy density, reduced costs and improved safety are needed. This also concerns other applications like rechargeables for medical implants.
February 27th 2014
Seminar
Peter will discuss: TRACING THE GROWTH OF GALAXIES AND THEIR BLACK HOLES Surveys of luminous active galaxies as well as surveys of the faint galaxy population have yielded new insight into the symbiotic occurrence of star formation and black hole accretion in galaxies, through cosmic time.
These phenomena and their implications will be discussed, within the general picture of cosmic star-formation.
February 20th 2014
Seminar
Developing software that controls the operation of a large number of hardware components, so called control software, is a complex task. One approach to reduce the complexity uses a hierarchical architecture for the software. At the leafs in the hierarchy we find the device drivers that directly control the hardware. Going up in the hierarchy, similar subsystems are grouped together into more coarse-grained subsystems.

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