Deciphering ligand-controlled charge transfer from a metal–organic framework to cadmium sulfide for enhanced photocatalytic hydrogen evolution reaction
Abstract:The suitable choice of a cocatalyst has an important role in charge separation and transport and hence the hydrogen evolution activity of a photocatalyst. Herein, we have demonstrated the cocatalytic...
“…3,16–18 In this sense, the dicyanoaurate ion (DAu), as a building block, is an ideal unit to explore the use of aurophilicity as a supramolecular design element in the synthesis of heterobimetallic coordination complexes with physical properties of interest for technological goals. 3 Furthermore, this study is a contribution to understanding the impact that the different metal (Au and M) have on electronic structure modulation and derived applications, 19–24 specifically, in this case for dicyanides and dicyanoaurate derived materials.…”
The electronic structure and derived optical properties of five synthesized Metal-Dicyanoaurates(I), (K)M[Au(CN)2]x, (M = Mn, Co, Ni, Zn and Cd) coordination polymers are described from a combined experimental analysis and...
“…3,16–18 In this sense, the dicyanoaurate ion (DAu), as a building block, is an ideal unit to explore the use of aurophilicity as a supramolecular design element in the synthesis of heterobimetallic coordination complexes with physical properties of interest for technological goals. 3 Furthermore, this study is a contribution to understanding the impact that the different metal (Au and M) have on electronic structure modulation and derived applications, 19–24 specifically, in this case for dicyanides and dicyanoaurate derived materials.…”
The electronic structure and derived optical properties of five synthesized Metal-Dicyanoaurates(I), (K)M[Au(CN)2]x, (M = Mn, Co, Ni, Zn and Cd) coordination polymers are described from a combined experimental analysis and...
“…26 Talking about visible light active semiconductors, cadmium sulphide (CdS) has been preferred over various photocatalysts due to its excellent visible light absorption ability and sufficient band potentials suitable for proton reduction. 27,28 The incorporation of CdS with TiO 2 has been reported for its successful activation in visible light for catalysing dye degradation, 29 H 2 generation 30 and oxidation of organic molecules, 31 whereas no report has been published on its applicability for biomass-derived substrate hydrogenation.…”
Photocatalytic redox valorization of lignocellulosic biomass to fine chemicals is in its infancy stages where it can be effectively utilized for the sustainable energy conversion. In this direction, an effective...
With the advantages of large specific surface area and high porosity of general metal‐organic frame materials, russian blue analogs have broad application prospects in catalysis. In this work, a series of ultra‐thin N‐doped carbon coated Fe‐CoP (Fe‐CoP@NC) are prepared by phosphating Fe‐Co‐Co Prussian blue analogs (Fe‐Co‐Co PBA) in different degrees for the broad‐spectrum photocatalytic hydrogen evolution. The results show that Fe‐CoP@NC‐3 has the highest photocatalytic hydrogen production rate of 16.6 mmol h−1 g−1, which is 83 times greater than that of Fe‐Co‐Co PBA. The excellent stability of Fe‐CoP@NC‐3 is proved by cyclic experiments. The outstanding photocatalytic H2 production activity of Fe‐CoP@NC‐3 can be ascribed to the strong electron coupling effect between Fe‐CoP and N‐doped carbon layer. The photogenerated electrons of Fe‐CoP are transferred to the N‐doped carbon layer, which is electron transport mediator accelerating the electron transfer and synergetic improving the hydrogen evolution efficiency. This work provides an effective strategy for designing an ultra‐thin N‐doped carbon layer coated phosphide photocatalyst with strong electron coupling effect.
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