Enhanced photocatalytic CO₂reduction on biomineralized CdSviaan electron conduit in bacteria

Abstract

There is an increasing trend in semi-artificial photosynthesis systems that combine living cells with inorganic semiconductors to activate a bacterial catalytic network. However, these systems face various challenges, including electron-hole...

Polydopamine-Mediated CdS Crystal Growth Behavior and the Synergistic Photocatalytic–Adsorption Mechanisms in Removing Rhodamine B

“…Semiconductors, such as CdS, TiO 2 , and g-C 3 N 4 , are highly efficient and durable in catalyzing a wide range of photochemical and photoelectrochemical reactions. − Besides optimization of the crystal structure, particle size, and specific surface area of the semiconductors, exploring proper candidates to support these semiconductors can not only effectively improve the utilization efficiency by optimizing the dispersion state but also lead to synergistic effects, such as adsorption, photothermal, conductivity, and redox effects, which are unavailable on single-component catalysts. − Moreover, the support material may also modify the intrinsic properties of the semiconductor by the strong semiconductor–support interactions or creating active sites at the contact interface. − As a result, the overall photocatalytic activity of the hybrid material was greatly enhanced.…”

Biocompatible Cs2PtX6 (X = Cl, Br, I) Vacancy Ordered Perovskites and Shewanella oneidensis MR-1 Bacteria Hybrid for Potential Photocatalytic Solar Fuel Production

“…The electrons transferred to microorganisms are utilized at the enzymatic sites for the conversion of protons to hydrogen, or carbon dioxide to value added products. 10−18 This article is licensed under CC-BY-NC-ND 4 Most of the research reports utilized TiO 2 , 12,17−19 CdS, 13,16,20 Si, 21 and Bi 2 O 3 17 as absorbers with different microbes to carry our desired redox reactions. The charge transfer between absorber and microbe was achieved using a redox shuttle, predominantly based on methyl viologen.…”

“…Biomineralized cadmium sulfide hybrid with S.oneidensis MR-1 is reported to be very selective for carbon dioxide conversion to formate with yield over 2650 μmol g −1 h −1 . 20 The selfphotosensitzation of Moorella thermoacetica with CdS enables production of acetic acid over several days under light−dark cycles with high quantum yield. 14 In a titanium dioxide based semiconductor, the use of whole-cell recombinant Escherichia coli lead to hydrogen evolution.…”

“…Most of the research reports utilized TiO 2 , ,− CdS, ,, Si, and Bi 2 O 3 as absorbers with different microbes to carry our desired redox reactions. The charge transfer between absorber and microbe was achieved using a redox shuttle, predominantly based on methyl viologen.…”

“…The charge transfer between absorber and microbe was achieved using a redox shuttle, predominantly based on methyl viologen. Biomineralized cadmium sulfide hybrid with S.oneidensis MR-1 is reported to be very selective for carbon dioxide conversion to formate with yield over 2650 μmol g –1 h –1 . The self-photosensitzation of Moorella thermoacetica with CdS enables production of acetic acid over several days under light–dark cycles with high quantum yield .…”