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@ARTICLE{Shen:638019,
      author       = {Shen, Zhou and Samoli, Margarita and Erdem, Onur and
                      Bielecki, Johan and Samanta, Amit K. and E, Juncheng and
                      Estillore, Armando D. and Kim, Chan and Kim, Yoonhee and
                      Koliyadu, Jayanath and Letrun, Romain and Locardi, Federico
                      and Lübke, Jannik and Mall, Abhishek and Monrroy Vilan e
                      Melo, Diogo Filipe and Mills, Grant and Rafie-Zinedine, Safi
                      and Round, Adam and Sato, Tokushi and de Wijn, Raphael and
                      Wollweber, Tamme and Worbs, Lena and Zhuang, Yulong and
                      Mancuso, Adrian P. and Bean, Richard and Chapman, Henry N.
                      and Küpper, Jochen and Infante, Ivan and Lange, Holger and
                      Hens, Zeger and Ayyer, Kartik},
      title        = {{D}irect {O}bservation of the {E}xciton-{P}olaron in
                      {S}ingle {C}s{P}b{B}r$_3$ {Q}uantum {D}ots},
      journal      = {ACS nano},
      volume       = {19},
      number       = {31},
      issn         = {1936-0851},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PUBDB-2025-03967},
      pages        = {28372 - 28382},
      year         = {2025},
      abstract     = {The Outstanding optoelectronic properties of lead halide
                      perovskites have been related to the formation of polarons.
                      Nevertheless, the observation of the atomistic deformation
                      brought about by one electron–hole pair in these materials
                      has remained elusive. Here, we measure the transient
                      structure of single CsPbBr$_3$ quantum dots (QDs) after
                      resonant excitation in the single exciton limit using serial
                      femtosecond crystallography (SFX). By reconstructing the
                      three-dimensional (3D) differential diffraction pattern and
                      building on density functional theory (DFT) calculations, we
                      assign the lattice distortion after photoexcitation to the
                      combined presence of a delocalized electron and a localized
                      hole, forming a mixed large/small exciton-polaron. This
                      result creates a clear picture of the polaronic deformation
                      in CsPbBr$_3$ QDs and demonstrates the exceptional
                      sensitivity of SFX to lattice distortions in few-nanometer
                      crystallites. We plan to use this experimental platform for
                      future studies of electron–lattice interactions.},
      cin          = {FS-CFEL-CMI / UNI/CUI / UNI/EXP / MPSD-CNI / FS-CFEL-1},
      ddc          = {540},
      cid          = {I:(DE-H253)FS-CFEL-CMI-20220405 /
                      $I:(DE-H253)UNI_CUI-20121230$ /
                      $I:(DE-H253)UNI_EXP-20120731$ / I:(DE-H253)MPSD-CNI-20241210
                      / I:(DE-H253)FS-CFEL-1-20120731},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / AIM, DFG project G:(GEPRIS)390715994 - EXC
                      2056: CUI: Advanced Imaging of Matter (390715994)},
      pid          = {G:(DE-HGF)POF4-631 / G:(GEPRIS)390715994},
      experiment   = {EXP:(DE-H253)CFEL-Exp-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:40751687},
      doi          = {10.1021/acsnano.5c06716},
      url          = {https://bib-pubdb1.desy.de/record/638019},
}