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pro vyhledávání: '"Hood, Samantha N."'
Autor:
Whalley, Lucy D., van Gerwen, Puck, Frost, Jarvist M., Kim, Sunghyun, Hood, Samantha N., Walsh, Aron
Improvement in the optoelectronic performance of halide perovskite semiconductors requires the identification and suppression of non-radiative carrier trapping processes. The iodine interstitial has been established as a deep level defect, and implic
Externí odkaz:
http://arxiv.org/abs/2105.02097
Publikováno v:
Chem. Sci. 12, 2276 (2021)
Charge transport is well understood in both highly ordered materials (band conduction) or highly disordered ones (hopping conduction). In moderately disordered materials -- including many organic semiconductors -- the approximations valid in either e
Externí odkaz:
http://arxiv.org/abs/2007.13986
Defects influence the properties and functionality of all crystalline materials. For instance, point defects participate in electronic (e.g. carrier generation and recombination) and optical (e.g. absorption and emission) processes critical to solar
Externí odkaz:
http://arxiv.org/abs/2005.01941
Publikováno v:
Phys. Rev. B 100, 041202 (2019)
Lattice vibrations of point defects are essential for understanding non-radiative electron and hole capture in semiconductors as they govern properties including persistent photoconductivity and Shockley-Read-Hall recombination rate. Although the har
Externí odkaz:
http://arxiv.org/abs/1904.01348
There is evidence that interface recombination in Cu2ZnSnS4 solar cells contributes to the open-circuit voltage deficit. Our hybrid density functional theory calculations suggest that electron-hole recombination at the Cu2ZnSnS4/CdS interface is caus
Externí odkaz:
http://arxiv.org/abs/1811.01867
The performance of kesterite thin-film solar cells is limited by a low open-circuit voltage due to defect-mediated electron-hole recombination. We calculate the non-radiative carrier-capture cross sections and Shockley-Read-Hall recombination coeffic
Externí odkaz:
http://arxiv.org/abs/1810.11259
Autor:
Hood, Samantha N., Kassal, Ivan
Publikováno v:
J. Phys. Chem. Lett. 7, 4495 (2016)
Although organic heterojunctions can separate charges with near-unity efficiency and on a sub-picosecond timescale, the full details of the charge-separation process remain unclear. In typical models, the Coulomb binding between the electron and the
Externí odkaz:
http://arxiv.org/abs/1603.06304
Autor:
Szigeti, Stuart S., Tonekaboni, Behnam, Lau, Wing Yung S., Hood, Samantha N., Haine, Simon A.
Publikováno v:
Phys. Rev. A 90, 063630 (2014)
We investigate the prospect of enhancing the phase sensitivity of atom interferometers in the Mach-Zehnder configuration with squeezed light. Ultimately, this enhancement is achieved by transferring the quantum state of squeezed light to one or more
Externí odkaz:
http://arxiv.org/abs/1408.0067
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