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Department of Physics

Electronic excitations in light-converting systems – Dr. Linn Leppert

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Publications

2019

Bridget A. Connor, Raisa I. Biega, L. Leppert, H. Karunadasa

Dimensional Reduction of the Small-Bandgap Double Perovskite Cs2AgTlBr6

Submitted

L. Leppert, T. Rangel, J. B. Neaton

Towards predictive band gaps for halide perovskites: Lessons from one-shot and eigenvalue self-consistent GW

Phys. Rev. Materials, Accepted Manuscript (2019), arXiv: 1903.11376

A. H. Slavney, B. Connor, L. Leppert, H. I. Karunadasa
A pencil-and-paper method for elucidating halide double perovskite band structures

Chem. Sci., Accepted Manuscript (2019), doi: 10.1039/C9SC03219C 

K. P. Lindquist, S. A. Mack, A. H. Slavney, L. Leppert, A. Gold-Parker, J. F. Stebbins, A. Salleo, M. F. Toney, J. B. Neaton, H. I. Karunadasa

Tuning the Bandgap of Cs2AgBiBr6 through Dilute Tin Alloying

Chem. Sci., Advance Article (2019), doi: 10.1039/C9SC02581B

2018


A. H. Slavney*, L. Leppert*, A. Saldivar Valdes, D. Bartesaghi, T. J. Savenije, J. B. Neaton, H. I. Karunadasa

Small-Bandgap Halide Double Perovskites

Angew. Chem. Int. Ed., 57, 12765 (2018), doi: 10.1002/anie.201807421

Chosen by editors as "hot paper"


B. A. Connor, L. Leppert, M. D. Smith, J. B. Neaton, H. I. Karunadasa

Layered Halide Double Perovskites: Dimensional Reduction of Cs2AgiBr6

J. Am. Chem. Soc. 140, 5235 (2018), doi: 10.1021/jacs.8b01543


2017

W. Drisdell, L. Leppert, C. Sutter-Fella, Y. Liang, Y. Li,  Q. Ngo, L. F. Wan, S. Gul, T. Kroll, D. Sokaras, A. Javey, J. Yano, J. B. Neaton, F. Toma, D. Prendergast, I. Sharp

Determining Atomic-scale Structure and Composition of Organo-lead Halide Perovskites by Combining High-resolution X-ray Absorption Spectroscopy and First-principles Calculations

ACS Energy Lett. 2, 1183 (2017), doi: 10.1021/acsenergylett.7b00182


A. H. Slavney, L. Leppert, D. Bartesaghi, A. Gold-Parker, M. F. Toney, T. J. Savenije, J. B. Neaton, H. I. Karunadasa
Defect-Induced Band-Edge Reconstruction of a Bismuth-Halide Double Perovskite for Visible-Light Absorption
J. Am. Chem. Soc. 139, 5015 (2017), doi:10.1021/jacs.7b01629


2016

L. Leppert, S. E. Reyes-Lillo, J. B. Neaton

Electric Field- and Strain-Induced Rashba Effect in Hybrid Halide Perovskites
J. Phys. Chem. Lett. 7, 3683 (2016), doi: 10.1021/acs.jpclett.6b01794


S. Y. Leblebici, L. Leppert, Y. Li, S. E. Reyes-Lillo, S. Wickenburg, E. Wong, J. Lee, M. Melli, D. Ziegler, D. K. Angell, D. F. Ogletree, P. D. Ashby, F. M. Toma, J. B. Neaton, I. D. Sharp, A. Weber-Bargioni
Facet-dependent photovoltaic efficiency variations in single grains of hybrid halide perovskite
Nature Energy 1, 16093 (2016), doi:10.1038/nenergy.2016.93


Lawrence Berkeley National Lab’s press release


2015

L. Leppert, R. Kempe, S. Kümmel
Hydrogen binding energies and electronic structure of Ni-Pd particles: a clue to their special catalytic properties
Phys. Chem. Chem. Phys. 17, 26140-26148  (2015), doi: 10.1039/C5CP04174K


P. V. Cherepanov, I. Melnyk, E. V. Skorb, P. Fratzl, E. Zolotoyabko, N. Dubrovinskaia, L. Dubrovinsky, Y. Avadhut, J. Senker, L. Leppert, S. Kümmel, D. V. Andreeva

Use of ultrasonic cavitation for near surface structuring of robust and low-cost AlNi catalysts for hydrogen production
Green Chem. (2015), doi: 10.1039/C5GC00047E


V. Vlcek, G. Steinle-Neumann, L. Leppert, R. Armiento, S. Kümmel
Improved ground-state electronic structure and optical dielectric constants with a semilocal exchange functional
Phys. Rev. B 91, 035107(1-9) (2015), doi: 10.1103/PhysRevB.91.035107


2014

G. Capelo, L. Leppert, R. Q. Albuquerque
The Concept of Localized Atomic Mobility : Unraveling Properties of Nanoparticles
J. Phys. Chem. C. 118, 21647-21654 (2014), doi: 10.1021/jp5058258


2013

V. Zamudio-Bayer*, L. Leppert*, K. Hirsch, A. Langenberg, J. Rittmann, M. Kossick, M. Vogel, R. Richter, A. Terasaki, T. Möller, B. v. Issendorff, S. Kümmel, J. T. Lau
Coordination-driven magnetic-to-nonmagnetic transition in manganese-doped silicon clusters
Phys. Rev. B 88, 115425(1-6) (2013), doi: 10.1103/PhysRevB.88.115425


L. Leppert, R. Q. Albuquerque, A. S. Foster, S. Kümmel
Interplay of Electronic Structure and Atomic Mobility in Nanoalloys of Au and Pt
J. Phys. Chem. C 117, 17268-17273 (2013), doi: 10.1021/jp404341v


2012

L. Leppert, R. Q. Albuquerque, S. Kümmel
Gold-platinum alloys and Vegard’s law on the nanoscale
Phys. Rev. B Rapid Comm. 86, 241403(1-5) (2012), doi: 10.1103/PhysRevB.86.241403


J. Kaiser, L. Leppert, H. Welz, F. Polzer, S. Wunder, N. Wanderka, M. Albrecht, T. Lunkenbein, J. Breu, S. Kümmel, Y. Lu , M. Ballauff
Catalytic activity of nanoalloys from gold and palladium
Phys. Chem. Chem. Phys. 14, 6487-6495 (2012), doi: 10.1039/C2CP23974D


2011

L. Leppert, S. Kümmel
The electronic structure of Gold-Platinum nanoparticles: Collecting clues for why they are special
J. Phys. Chem. C 115, 6694-6702 (2011), doi: 10.1021/jp112224t


Dissertation

L. Leppert
Structural and electronic properties of transition metal nanoalloys and magnetic compounds
University of Bayreuth, 2013, Link


arXiv:1903.11376

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