Sunday, May 30, 2021

Constructing Stable and Porous Covalent Organic Frameworks for Efficient Iodine Vapor Capture

xlomafota13 shared this article with you from Inoreader

pubmed-meta-image.png

Macromol Rapid Commun. 2021 May 29:e2100032. doi: 10.1002/marc.202100032. Online ahead of print.

ABSTRACT

Covalent organic frameworks (COF) with periodic porous structures and tunable functionalities are a new class of crystalline polymers connected via strong covalent bonds. Constructing COF materials with high stability and porosity is attracting and essential for COFs' further functional exploration. In this work, two new covalent organic frameworks (TTA-TMTA-COF and TTA-FMTA-CO F) with high surface area, large pore volume, and excellent chemical stability toward harsh conditions are designed and synthesized by integrating the methoxy functional groups into the networks. Both two COFs are further employed for iodine removal since radioactive iodine in nuclear waste has seriously threatened the natural environment and human health. TTA-TMTA-COF and TTA-FMTA-COF can capture 3.21 and 5.07 g g-1 iodine, respectively. Notably, the iodine capture capacity for iodine of TTA-FMTA-COF does not show any decline after being recycled five times. These results demonstrate both COFs possess ultrahigh capacity and excellent recyclability.

PMID:34050692 | DOI:10.1002/marc.202100032

View on the web

No comments:

Post a Comment

Collaboration request

Hi there How would you like to earn a 35% commission for each sale for life by selling SEO services Every website owner requires the ...