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  • Tailoring the Optical Absorption of Water-Stable Zr(IV)- and Hf(IV)-Based Metal-Organic Framework Photocatalysts.

Tailoring the Optical Absorption of Water-Stable Zr(IV)- and Hf(IV)-Based Metal-Organic Framework Photocatalysts.

Chemistry, an Asian journal (2015-08-11)
Tan L H Doan, Ha L Nguyen, Hung Q Pham, Nguyen-Nguyen Pham-Tran, Thach N Le, Kyle E Cordova
ABSTRACT

New Zr(IV)- and Hf(IV)-based metal-organic framework photocatalysts, termed VNU-1 and VNU-2 (where VNU = Vietnam National University), were synthesized and their resulting structures fully characterized. By employing a highly π-conjugated linker, namely 1,4-bis(2-[4-carboxyphenyl]ethynyl)benzene, the optical absorption properties were effectively red-shifted into the visible light region. This strategy, coupled with the high water stability of the materials, led to enhanced MOF-driven photocatalytic degradation, under ultraviolet-visible light, of organic dye pollutants commonly found in wastewater.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
1,4-Diethynylbenzene, 96%
Sigma-Aldrich
Methyl 4-iodobenzoate, 97%