4.7 Article

Efficient photocatalytic degradation of methyl violet using two new 3D MOFs directed by different carboxylate spacers

Journal

CRYSTENGCOMM
Volume 23, Issue 3, Pages 741-747

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ce01632b

Keywords

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Funding

  1. Sichuan University of Science and Engineering [2019RC21]
  2. Project of Zigong Science Technology [2019YYJC06]
  3. Open Project Program of Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province [CSPC202008]
  4. Education Committee of Sichuan Province [17ZA0275]
  5. King Saud University, Riyadh, Saudi Arabia [RSP-2020/141]
  6. Guangdong University Youth Innovation Talent Project [2020KQNCX024]

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Two highly stable metal-organic frameworks were designed and synthesized, showing outstanding photocatalytic behaviors for the disintegration of methyl violet under UV irradiation, using different assembly materials.
Two highly stable metal-organic frameworks (MOFs) assembled by a flexible 1,4-bis(2-methylimidazol-1-yl) butane (bib), and two different aromatic carboxylate coligands, namely, [Zn(BDC-OH2)(bib)] (1) and [Cd-3(BTC)(2)(bib)(DMF)(3)] (2) (H2BDC-OH2 = 2,5-dihydroxyterephthalic acid, H3BTC = 1,3,5-benzenetribenzoic acid), were designed and synthesized. 1 showed a 4-fold interpenetration of 4-connected dia-type topological net. In 2, the 3D topological structure can be viewed as a (3,4,5)-connected network, and its Schlali point is {4.6(2)}(2) {4(2).6.8(3)} {4(6).8(9)}. Different auxiliary carboxylate ligands were examined with respect to the building of various structures. 1 and 2 have outstanding photocatalytic behaviors for the disintegration of methyl violet (MV) under UV irradiation.

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