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Taye Zewdu Tarekegn
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QD-Dye Hybrids for Liquid Junction Solar Cells
The quantum maximum of solar cells reached 7% which is half way to its
DSSC counterparts. Actively explored issues concerning these semiconductor
sensitized solar cells basically involve the four building blocks of the
devices: wide band-gap material , coun...

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Towards High Quality Semiconducting Nanocrystals
I) Introduction As
´there is plenty of room at the bottom´ prediction, exploiting the very tiny
building blocks of unique mechanical, optical and electrical properties for
various applications have been a global trend and an active research arena of
huge in...

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Smallest geez alphabets inscribed on silicon wafers
These are possibly the smallest 'geez fidel' inscriptions your eyes have ever seen. The image has been taken using a scanning electron microscope from the cleanest facility in Spain located at Universitat Autonoma de Barcelona (UAB) in 2010. You can think o...

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A New Vision for A New Ethiopia
By Kebour Ghenna “Society in every state is a blessing, but government even in its best state is but a necessary evil; in its worst state an intolerable one”. Thomas Paine Last week someone asked me what would I say are the three immediate problems facing E...

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On Super Perovskites...
One morning at ICIQ: The Professor came in shrieking with excitement "perovskites as* holes". The first time I came across the name and quietly looked for what they are. He lavished his thoughts 'these set of ceramics of no use are going...cracks for celdas...

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