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Bartomeu Monserrat on Muck Rack

Bartomeu Monserrat

As seen in: Nature, Wiley Online Library, ACS Publications, Science Magazine, Royal Society of Chemistry, Physical Review B, Journal of Chemical Physics
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Articles

Mass-invariant universal optical conductivity from quantum geometry

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By Youngmin Ko, John Hintze, Luise Fast, Chang-geun Oh, Sun-Woo Kim, Kun Woo Kim, Bartomeu Monserrat, Jun-Won Rhim
| Science Magazine Verified
Abstract INTRODUCTION RESULTS AND DISCUSSION METHODS Acknowledgments Supplementary Materials REFERENCES Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Mass is a defining property of particles, shaping their fundamental nature and interactions. In condensed matter systems, the effective mass of electrons has long been regarded as a key factor influencing material properties, including their transport and optical responses.
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Excitonic topology and quantum geometry in organic semiconductors - Nature Communications

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By Bartomeu Monserrat
| Nature Verified
Abstract Excitons drive the optoelectronic properties of organic semiconductors which underpin devices including solar cells and light-emitting diodes. Here we show that excitons can exhibit topologically non-trivial states protected by inversion symmetry and identify a family of organic semiconductors realising the predicted excitonic topological phases.
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Decoupling excitons from high-frequency vibrations in organic molecules - Nature

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By Pratyush Ghosh, Antonios M. Alvertis, Petri Murto, Alexander J. Gillett, Shengzhi Dong, Hwan-Hee Cho, Emrys W. Evans, Bartomeu Monserrat, Feng LI, Christoph Schnedermann, Richard H. Friend
| Nature Verified
Abstract The coupling of excitons in π-conjugated molecules to high-frequency vibrational modes, particularly carbon–carbon stretch modes (1,000–1,600 cm−1) has been thought to be unavoidable1,2. These high-frequency modes accelerate non-radiative losses and limit the performance of light-emitting diodes, fluorescent biomarkers and photovoltaic devices.
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