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Title: Construction of Porous Tetrazine-Functionalized Networks: From Two- to Three-Dimensional Counterparts with Tunable Properties

Journal Article · · Chemistry Methods
 [1];  [2];  [3];  [2];  [2];  [3];  [4];  [2];  [2]; ORCiD logo [2]; ORCiD logo [5]
  1. University of Tennessee, Knoxville, TN (United States); ZJU-Hangzhou Global Scientific and Technological Innovation Center (China)
  2. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  3. University of Tennessee, Knoxville, TN (United States)
  4. Jiangsu University, Zhenjiang (China)
  5. University of Tennessee, Knoxville, TN (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Porous organic networks (PONs) linked by aza-fused rings are extensively studied and demonstrated wide applications in diverse fields. It is a long-term attractive and challenging subject to explore novel PONs functionalized by unexplored aza-fused moieties. Herein, a series of tetrazine-linked PONs (Tz-PONs) were constructed from two-dimensional to three-dimensional counterparts with tunable properties. The reaction pathway composed of the amidrazone intermediates formation using multiply substituted aromatic nitrile monomers was catalyzed by zinc salts with Lewis super acidity in the presence of hydrazine, and the subsequent tetrazine formation was assisted by sodium nitrite solution. Textural property of the as-constructed scaffolds could be tuned by the acidity of the zinc salts, as well as the organic solvents. As an initial assessment, those Tz-PONs displayed different photo absorption behavior, which may influence the corresponding photocatalysis.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division (CSGB)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
2507389
Journal Information:
Chemistry Methods, Journal Name: Chemistry Methods Journal Issue: 4 Vol. 5; ISSN 2628-9725
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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