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@ARTICLE{vanHameren:172470,
      author       = {van Hameren, Richard and van Buul, Arend M. and Visser,
                      Dirk and Heenan, Richard K. and King, Stephen M. and Rowan,
                      Alan E. and Nolte, Roeland J. M. and Pyckhout-Hintzen, Wim
                      and Elemans, Johannes A. A. W. and Feiters, Martin C.},
      title        = {{S}olution scattering studies of the hierarchical assembly
                      of porphyrin trimers based on benzene triscarboxamide},
      journal      = {Soft matter},
      volume       = {10},
      number       = {48},
      issn         = {1744-6848},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2014-05939},
      pages        = {9688-9694},
      year         = {2014},
      abstract     = {The self-assembly of achiral and chiral porphyrin trimers
                      based on benzene triscarboxamide in solution is studied with
                      the help of NMR, FT-IR, UV-vis, and CD spectroscopy. These
                      studies revealed that in apolar solvents the porphyrin
                      trimers self-assembled in columnar stacks via a combination
                      of hydrogen bonding and π–π stacking interactions. While
                      the critical aggregation constant is about 0.2 mM in
                      chloroform, aggregation already occurs at micromolar
                      concentrations in n-hexane. Small angle neutron scattering
                      (SANS) studies in chloroform, toluene, and n-hexane
                      confirmed aggregation of the trimers into columnar stacks.
                      In chloroform and n-hexane, but not in toluene, the trimers
                      gelated the solvent. In chloroform the stacks of the achiral
                      trimer were found to contain on average about 70 molecules,
                      while in toluene the stacks were much smaller and contained
                      on average 7–9 molecules. In n-hexane the SANS studies
                      revealed that the chiral trimer formed a gel with an average
                      mesh size of the transient network of chains of
                      approximately 90 nm, with chains being built up from
                      effective cylindrical aggregates with an average length of
                      20 nm.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1 / JCNS (München) ;
                      Jülich Centre for Neutron Science JCNS (München) ;
                      JCNS-FRM-II},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218},
      pnm          = {451 - Soft Matter Composites (POF2-451) / 54G - JCNS
                      (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-451 / G:(DE-HGF)POF2-54G24},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345530400012},
      pubmed       = {pmid:25363515},
      doi          = {10.1039/C4SM01489H},
      url          = {https://juser.fz-juelich.de/record/172470},
}