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@ARTICLE{Hu:861479,
      author       = {Hu, Bojian and Sun, Shengtong and Wu, Baohu and Wu, Peiyi},
      title        = {{C}olloidally {S}table {M}onolayer {N}anosheets with
                      {C}olorimetric {R}esponses},
      journal      = {Small},
      volume       = {15},
      number       = {5},
      issn         = {1613-6829},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2019-01944},
      pages        = {1804975 -},
      year         = {2019},
      abstract     = {Despite the discovery of chromogenic‐layered materials
                      for decades of years, fabrication of colloidally stable
                      monolayer organic 2D nanosheets in aqueous media with
                      colorimetric responses is still challenging. Herein reported
                      is the first solution synthesis of chromic monolayer
                      nanosheets via the topochemical polymerization of
                      self‐assembled amphiphilic diacetylenes in aqueous media.
                      The polydiacetylene (PDA) nanosheets are ≈3–4 nm thick
                      in solution and only ≈1.9 nm thick in the dried state,
                      while the lateral size can reach several micrometers.
                      Moreover, the aqueous stability endows PDA nanosheets with
                      excellent processability, which can further assemble into
                      films via vacuum filtration or act as an ink for
                      high‐resolution inkjet printing. The filtrated films and
                      printed patterns exhibit fully reversible blue‐to‐red
                      thermochromism, and the film also displays an interesting
                      reversible colorimetric transition in response to
                      near‐infrared light, which is not reported for other
                      PDA‐only systems. The present colloidal PDA nanosheets
                      should represent a new kind of chromic organic 2D
                      nanomaterials that may be applied as novel building blocks
                      for developing intelligent hybrid materials and may also
                      find diverse sensing, display and/or anticounterfeiting
                      applications.},
      cin          = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30589208},
      UT           = {WOS:000458673800018},
      doi          = {10.1002/smll.201804975},
      url          = {https://juser.fz-juelich.de/record/861479},
}