Photocatalytic degradation of methylene blue in ZIF-8

Abstract

ZIF-8 was used to perform photocatalytic degradation of methylene blue, a typical organic dye.

Three coordination compounds of cobalt with organic carboxylic acids and 1,10-phenanthroline as ligands: syntheses, structures and photocatalytic properties

“…Multicarboxylate ligands, such as quaterphenyl-4,2 00 ,5 00 ,4 0 -tetracarboxylic acid (H 4 qptb), 3,4-dicarboxyl-(3 0 ,4 0 -dicarboxylazophenyl) benzene (H 2 dczpb) and 4,4 0 -oxydiphthalic acid (H 2 odpa), as illustrated in Scheme 1, have been used as both multifunctional organic ligands and counterions, not only because of their various coordination modes, but also because of their ability to act as hydrogenbond acceptors and donors in the assembly of supramolecular structures [11][12][13][14]. In this paper, H 4 qptb, H 2 dczpb and H 2 odpa, along with 1,10-phenanthroline (phen), a typical N-donor chelating ligand (Scheme 1), were utilized to construct three cobalt-based coordination compounds, namely [Co 2 (phen) 4 (H 2 qptb)](H 3 qptb) 2 (1), [Co 2 (phen) 4 (H 2 dczpb) 2 ]Á5H 2 O (2) and [Co 2 (phen) 4 (H 2 odpa) 2 …”

“…Recently, a number of reports on the use of coordination compounds as photocatalysts for the degradation of organic pollutant [1][2][3][4], CO 2 reduction [5][6][7] and Cr(VI) reduction [8,9] have been presented. Being compared with traditional semiconductor photocatalysts like TiO 2 , ZnO, Fe 2 O 3 , CdS, GaP and ZnS, photocatalytic coordination compounds possess several advantages; for example, the well-defined crystalline structures of coordination compounds can help to clarify the structure-property relationships of these solid photocatalysts; their modular nature allows the rational design and fine-tuning of these catalysts at the molecular level; and their intrinsic porosity and high surface area can facilitate fast transport of guest molecules through the open channels, resulting in high photocatalytic reaction efficiencies [1].…”

Zinc Imidazolate Metal–Organic Frameworks (ZIF‐8) for Electrochemical Reduction of CO2 to CO

“…[17][18][19] Among various ZIFs, ZIF-8 have been further investigated ase lectrode materials fors upercapacitors, water electrolysis,p hotocatalysts, etc. [20][21][22][23] ZIF-8 served as porous electrode material for supercapacitora sr eported by Yamauchi et al, and delivered high electrochemical capacitance and good stability. [24] It can be calcined to form C, N-doped ZnO for use in dye degradationa nd water oxidation.…”

Two Zinc Based Coordination Compounds Constructed from Two Azophenyl Ligands: Syntheses, Crystal Structure, and Photocatalytic Performance

“…Recent researches indeed demonstrated that some coordination compound materials are a new class of photocatalysts usable in photocatalytic degradation of organic pollutants under UV/visible/UV-Visible irradiation [17][18][19][20][21]. Based on the richness of metal-containing nodes and organic bridging linkers, as well as the controllability of synthesis, it is easy to construct coordination compound with tailorable capacity to absorb light, and thereby initiating desirable photocatalytic degradation of organic pollutants with them as photocatalysts.…”