Laura Herz

Laura Maria Herz FInstP is a Professor of Physics at the University of Oxford. She works on femtosecond spectroscopy for the analysis of semiconductor materials.[1]

Laura Herz

FInstP
Born
Laura Maria Herz
EducationSchool Sisters of Notre Dame
Alma materUniversity of Bonn
University of Cambridge (PhD)
AwardsNevill Mott Medal and Prize (2018)
Scientific career
FieldsCondensed matter physics
semiconductors
Ultrafast spectroscopy
Photovoltaics
Conjugated polymers[1]
InstitutionsUniversity of Oxford
University of Cambridge
ThesisAggregation effects in conjugated polymer films studied by time-resolved photoluminescence spectroscopy (2002)
Websitewww-herz.physics.ox.ac.uk

Early life and education

Herz studied physics at the University of Bonn and graduated in 1999.[2] She worked for two years as an exchange student at University of New South Wales.[3] She joined the University of Cambridge for her doctoral studies, earning a PhD in 2002.[2][4] Here she worked on exciton and polaron dynamics in organic semiconductors.[5]

Research and career

After her PhD, Herz was appointed a postdoctoral research fellow at St John's College, Cambridge, in 2001.[2] She was awarded an Engineering and Physical Sciences Research Council (EPSRC) Advanced Research Fellowship in 2006.[6] Herz became a Professor in 2010.[2]

Herz is an expert in perovskite semiconductors.[7] She has researched the origins of the high charge-carrier mobilities in perovskite materials.[8] She demonstrated that their high efficiency in solar cells was due to long charge-carrier diffusion lengths and non-Langevin recombination.[9][10] She identified that perovskite light emission is broad and can be used in Ultrafast lasers.[11] She recognised that the origin of this broadening is Fröhlich coupling to longitudinal optical phonons.[12]

Herz is also interested in self-assembly and nanoscale effects.[13] She works on Biomimetics light harvesting structures made of porphyrin nanorings[14][15] to explore delocalised excited states.[16][17] She is the co-director of the Imperial College London Centre for Doctoral Training in Plastic Electronic Materials.[2]

She appeared on the BBC Radio 4 show In Our Time in 2015.[18] She will join University of Bayreuth in 2018 to deliver a series of lectures.[19]

Awards and honours

Her awards and honours include:

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References
  1. Laura Herz publications indexed by Google Scholar
  2. "CV - Laura M Herz". www-herz.physics.ox.ac.uk. Retrieved 2018-09-17.
  3. "Public Seminar Laura Herz - 31 March 2016". School of Photovoltaic and Renewable Energy Engineering. 2016-03-12. Retrieved 2018-09-17.
  4. Herz, Laura Maria (2002). Aggregation effects in conjugated polymer films studied by time-resolved photoluminescence spectroscopy. jisc.ac.uk (PhD thesis). University of Cambridge. OCLC 894595356. EThOS uk.bl.ethos.620191.
  5. Silva, Carlos; Russell, David M.; Dhoot, Anoop S.; Herz, Laura M.; Daniel, Clément; Greenham, Neil C.; Arias, Ana C.; Setayesh, Sepas; Müllen, Klaus (2002). "Exciton and polaron dynamics in a step-ladder polymeric semiconductor: the influence of interchain order". Journal of Physics: Condensed Matter. 14 (42): 9803. Bibcode:2002JPCM...14.9803S. doi:10.1088/0953-8984/14/42/302. ISSN 0953-8984.
  6. "KAUST Solar Center Research Conference 2016". ksc.kaust.edu.sa. Retrieved 2018-09-17.
  7. Johnston, Michael B.; Herz, Laura M. (2015-12-10). "Hybrid Perovskites for Photovoltaics: Charge-Carrier Recombination, Diffusion, and Radiative Efficiencies". Accounts of Chemical Research. 49 (1): 146–154. doi:10.1021/acs.accounts.5b00411. ISSN 0001-4842. PMID 26653572.
  8. Herz, Laura M. (2017-06-08). "Charge-Carrier Mobilities in Metal Halide Perovskites: Fundamental Mechanisms and Limits". ACS Energy Letters. 2 (7): 1539–1548. doi:10.1021/acsenergylett.7b00276. ISSN 2380-8195.
  9. UNSWSPREE (2016-04-04), UNSW SPREE 201603-31 Laura Herz - Charge-Carrier Diffusion in Hybrid Metal Halide Perovskites, retrieved 2018-09-17
  10. Stranks, Samuel D.; Eperon, Giles E.; Grancini, Giulia; Menelaou, Christopher; Alcocer, Marcelo J. P.; Leijtens, Tomas; Herz, Laura M.; Petrozza, Annamaria; Snaith, Henry J. (2013). "Electron-Hole Diffusion Lengths Exceeding 1 Micrometer in an Organometal Trihalide Perovskite Absorber". Science. 342 (6156): 341–344. Bibcode:2013Sci...342..341S. doi:10.1126/science.1243982. ISSN 0036-8075. PMID 24136964.
  11. Eperon, Giles E.; Stranks, Samuel D.; Menelaou, Christopher; Johnston, Michael B.; Herz, Laura M.; Snaith, Henry J. (2014). "Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells". Energy & Environmental Science. 7 (3): 982. doi:10.1039/C3EE43822H. ISSN 1754-5692.
  12. Wright, Adam D.; Verdi, Carla; Milot, Rebecca L.; Eperon, Giles E.; Pérez-Osorio, Miguel A.; Snaith, Henry J.; Giustino, Feliciano; Johnston, Michael B.; Herz, Laura M. (2016-05-26). "Electron–phonon coupling in hybrid lead halide perovskites". Nature Communications. 7: 11755. Bibcode:2016NatCo...711755W. doi:10.1038/ncomms11755. ISSN 2041-1723. PMC 4894981. PMID 27225329.
  13. "Speakers - IUPAC 2018". IUPAC 2018. Retrieved 2018-09-17.
  14. Parkinson, Patrick; Kamonsutthipaijit, Nuntaporn; Anderson, Harry L.; Herz, Laura M. (2016-05-17). "Size-Independent Energy Transfer in Biomimetic Nanoring Complexes". ACS Nano. 10 (6): 5933–5940. doi:10.1021/acsnano.6b01265. ISSN 1936-0851. PMC 4928140. PMID 27176553.
  15. Gong, Juliane Q.; Favereau, Ludovic; Anderson, Harry L.; Herz, Laura M. (2016-01-08). "Breaking the Symmetry in Molecular Nanorings". The Journal of Physical Chemistry Letters. 7 (2): 332–338. doi:10.1021/acs.jpclett.5b02617. ISSN 1948-7185. PMC 4745607. PMID 26735906.
  16. Rousseaux, Sophie A. L.; Gong, Juliane Q.; Haver, Renée; Odell, Barbara; Claridge, Tim D. W.; Herz, Laura M.; Anderson, Harry L. (2015-09-25). "Self-Assembly of Russian Doll Concentric Porphyrin Nanorings". Journal of the American Chemical Society. 137 (39): 12713–12718. doi:10.1021/jacs.5b07956. ISSN 0002-7863. PMC 4655919. PMID 26378660.
  17. Hoffmann, Markus; Kärnbratt, Joakim; Chang, Ming-Hua; Herz, Laura M.; Albinsson, Bo; Anderson, Harry L. (2008-06-23). "Enhanced π Conjugation around a Porphyrin[6] Nanoring". Angewandte Chemie International Edition. 47 (27): 4993–4996. doi:10.1002/anie.200801188. ISSN 1433-7851. PMID 18506860.
  18. "Michael Faraday, In Our Time - BBC Radio 4". BBC. Retrieved 2018-09-17.
  19. Bayreuth, Universität. "Leading researcher from Oxford comes to the University of Bayreuth". www.physik.uni-bayreuth.de. Retrieved 2018-09-17.
  20. Physics, Institute of. "2018 Nevill Mott Medal and Prize". www.iop.org. Retrieved 2018-09-17.
  21. "Success for MPLS staff in Oxford University Student Union teaching awards — Mathematical Physical and Life Sciences Division". www.mpls.ox.ac.uk. Retrieved 2018-09-17.
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