Exploratory Synthesis of Low-Silica Nanozeolites through Geopolymer Chemistry

Shaojiang Chen, Wenwen Zhang, Lukas P. Sorge, Dong Kyun Seo

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Nanozeolites are of great interest with the premise of their efficiency in traditional applications such as catalysis and separation, as well as their emerging applications including chemical sensors, medicine, and food industry. We report a new geopolymerization route for the synthesis of nanozeolites with different crystal structures by exploring the Na-Al-Si-H 2 O quaternary phase space under a mild hydrothermal condition. Nanostructured faujasite (FAU), cancrinite (CAN), and sodalite (SOD) zeolites with a crystallite size smaller than 40 nm were successfully produced from our exploration, as well as a submicron-sized Linde-Type A (LTA) zeolite. The transmission electron microscopy and nitrogen sorption analysis on representative zeolite samples showed that FAU and SOD zeolites exhibit textural mesopores, while CAN products have a more open aggregate structure. Our findings establish the geopolymerization as a convenient route for production of low-silica nanozeolites.

Original languageEnglish (US)
Pages (from-to)1167-1171
Number of pages5
JournalCrystal Growth and Design
Issue number2
StatePublished - Feb 6 2019

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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