A time constant of 13 fs was measured via transient absorption for electron transfer from the excited singlet state of the chromophore perylene into anatase TiO 2 , when the chromophore was bonded to the surface via a carboxyl group. This result suggests that a similarly short time constant should b
Nanocomposite solar cells: the requirement and challenge of kinetic charge separation
β Scribed by Helmut Tributsch
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 494 KB
- Volume
- 13
- Category
- Article
- ISSN
- 1432-8488
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Kinetic energy release (KER) was studied by experimental methods and semiempirical (MNDO and AMl) molecular orbital calculations in the case of various charge separation processes: loss of a methyl ion from [CH,-C,-CH,] \*+, ICH,-C,-CH3]\*+ and [N,Ndimethyl-p-phenylenediamine] '+. It was found that
## Abstract The effects of interface polarization charge on the photovoltaic characteristics of GaN/InGaN solar cells have been analyzed in detail using 2D driftβdiffusion simulations. The polarization charge at the GaN/InGaN interface creates an electric field that forces carriers generated by lig