Highly Efficient Hydrogen Production in the Photoreforming of Lignocellulosic Biomass Catalyzed by Cu, In‐Doped ZnS Derived from ZIF‐8. Issue 2 (2nd December 2021)

• Record Type: Journal Article
• Authors: Nagakawa, Haruki; Nagata, Morio
• Is Part Of: Advanced materials interfaces. Volume 9:Issue 2(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2021-12-02
• Subjects: lignocellulose -- photocatalysis -- photoreforming -- zeolitic imidazolate framework -- zinc sulfide; Materials science -- Periodicals; 620.11
• DOI: 10.1002/admi.202101581
• Languages: English
• ISSNs: 2196-7350

Abstract

Abstract: Cu, In‐doped ZnS (CIZS) is fabricated from a metal–organic framework (MOF) precursor, namely a Cu, In‐doped zeolitic imidazolate framework (ZIF‐8). The prepared CIZS shows high activity for hydrogen production in the photoreforming reaction of lignocellulosic biomass under simulated sunlight. The activity is 125‐fold greater than that of undoped ZnS produced by the same method. Compared to CIZS synthesized by the conventional solvothermal method for sulfide photocatalysts, the CIZS synthesized via a MOF is characterized by high crystallinity and an 8.9‐fold increase in hydrogen production activity. This catalyst also exhibits better performance than conventional photoreforming catalysts, while it is free from toxic substances, such as Cd, or expensive cocatalysts, like Pt. In addition, the prepared CIZS is stable in photocatalytic reactions and achieves an apparent quantum yield of ≈28% under 360‐nm light irradiation. Abstract : Cu, In‐doped ZnS (CIZS) is produced from a ZIF‐8 precursor to catalyze the photoreforming of lignocellulosic biomass under simulated sunlight. The hydrogen production rate is 125‐fold and 8.9‐fold greater than those using ZnS without doping and CIZS prepared by the conventional solvothermal method, respectively. The apparent quantum yield is found to be 28% at 360 nm.