Imperial College London

Dr Megumi Yoshida (Ito)

Faculty of Natural SciencesDepartment of Physics

Research Associate



+44 (0)20 7594 7305megumi.yoshida06




1001Huxley BuildingSouth Kensington Campus





Megumi joined Imperial College London as a physics undergraduate student in 2006 and worked on molecular upconversion in 2009 (funded through Imperial College London UROP scheme), luminescent solar concentrator in 2010-2011 as a part of MSci project. She started PhD project to investigate ways to achieve intermediate band solar cells using quantum well structures in 2010, which was joinly funded by SHARP laboratory of Europe, Imperial College International Scholarship 2010, Imperial College London department of Physics and EPSRC. She started working as a research assistant in 2014 under EPSRC funded "The Quantum Ratchet Concept for Ultra efficient Solar Cells" and promoted to a research associate after being awarded PhD in 2015. She is currently looking at the ways to achieve quantum rachet intermediate band solar cells using a multi quantum well super-lattice and organic moleculs.

Affiliation: Quantum Photovoltaics, Experiment Solid State, Department of Physics, Imperual Colllege London



Curtin OJ, Yoshida M, Pusch A, et al., 2016, Quantum Cascade Photon Ratchets for Intermediate-Band Solar Cells, Ieee Journal of Photovoltaics, Vol:6, ISSN:2156-3381, Pages:673-678

Hylton NP, Hinrichsen TF, Vaquero-Stainer AR, et al., 2016, Photoluminescence upconversion at GaAs/InGaP2 interfaces driven by a sequential two-photon absorption mechanism, Physical Review B, Vol:93, ISSN:2469-9950

Pusch A, Yoshida M, Hylton NP, et al., 2016, Limiting efficiencies for intermediate band solar cells with partial absorptivity: the case for a quantum ratchet, Progress in Photovoltaics, Vol:24, ISSN:1062-7995, Pages:656-662

Okada Y, Ekins-Daukes NJ, Kita T, et al., 2015, Intermediate band solar cells: Recent progress and future directions, Applied Physics Reviews, Vol:2, ISSN:1931-9401


Pusch A, Yoshida M, Hylton NP, et al., 2016, The Purpose of a Photon Ratchet in Intermediate Band Solar Cells, 43rd IEEE Photovoltaic Specialists Conference (PVSC), IEEE, Pages:9-12, ISSN:0160-8371

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