Micro porous carbon spheres from cyclodextrin nanosponges

Marco Zanetti, Anastasia Anceschi, Giuliana Magnacca, Giulia Spezzati, Fabrizio Caldera, Giovanni Paolo Rosi, Francesco Trotta

Research output: Contribution to journalArticleAcademicpeer-review

31 Citations (Scopus)


A series of carbons were prepared by pyrolysis of hyper cross-linked cyclodextrins, also known as nanosponges (NS). Pore structure analysis showed that pores with a range size of 5–16 A can be created from β-CD an NS cross-linked with pyromellitic dianhydride (PY). NS cross-linked with hexamethylene diisocyanate (HD) was ineffective to produce pores. SEM observation reveals a peculiar morphology of the PY-NS carbon, made of perfectly spherical hollow particles. TGA and FT-IR studies demonstrate that the PY-NS is the more efficient carbon precursor.

Original languageEnglish
Pages (from-to)178-184
Number of pages7
JournalMicroporous and Mesoporous Materials
Publication statusPublished - 15 Nov 2016


  • Carbon
  • Carbonization
  • Cyclodextrin
  • Hollow spheres
  • Hyper cross-linked cyclodextrins
  • Microporous carbon
  • Nanosponges
  • Pyrolysis


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