1 - 10 of 21 articles
The discussion on future sources of energy is heating up, particularly regarding the roles of nuclear and renewable resources. Using photovoltaics alone, we show that, despite claims to the contrary, renewable resources are capable of replacing the contribution from nuclear energy.
What exactly happens inside a crumpled sheet? New simulations, taking into account that the sheet can't pass through itself, reveal that crumpled sheets are more rigid than one might have guessed.
The observation of quantum optical effects in engineered semiconductor structures creates the opportunity to harvest these phenomena in designer devices.
The device properties of polymer semiconductors are heavily dependent on the morphology of the constituent materials. Some of the morphological characteristics of thiophene-based polymers are now being unravelled.
Atomic-scale microscopy of perovskite heterostructures not only provides an understanding of the origin of interface roughness, but also a recipe for improved electronic devices.
When Einstein showed that light amplification needed a collection of atoms in ‘population inversion’ (that is, where more than half the atoms are in an excited state, ready to emit light rather than absorb it) he was using thermodynamic arguments
. Later on, quantum theory predicted
In photonic crystals (PCs), strong scattering and destructive wave interference lead to a modification of the photon density of states in particular energy regions and along certain crystallographic directions
. The consequences of this range from suppression and enhancement of luminescence...
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