[Mo3S13]2− als Modellsystem für die katalytische Wasserstoffentwicklung durch MoSx: Untersuchung der Protonierungsstellen in der Gasphase durch Infrarot‐Mehrphotonendissoziationsspektroskopie

An effective strategy to enhance the performance of inorganic semiconductors is moving towards organic‐inorganic hybrid materials. Here, we report the design of core–shell hybrid materials based on a TiO2 core functionalized with a polyampholytic (poly(dehydroalanine)‐graft‐(n‐propyl phosphonic acid acrylamide) shell (PDha‐g‐PAA@TiO2). The PDha‐g‐PAA shell facilitates the efficient immobilization of the photosensitizer Eosin Y (EY) and enables electronic interactions between EY and the TiO2 core. This resulted in high visible‐light‐driven H2 generation. The enhanced light‐driven catalytic activity is attributed to the unique core–shell design with the graft copolymer acting as bridge and facilitating electron and proton transfer, thereby also preventing the degradation of EY. Further catalytic enhancement of PDha‐g‐PAA@TiO2 was possible by introducing [Mo3S13]2− cluster anions as hydrogen‐evolution cocatalyst. This novel design approach is an example for a multi‐component system in which reactivity can in future be independently tuned by selection of the desired molecular or polymeric species.

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Polyampholytic Graft Copolymers as Matrix for TiO₂/Eosin Y/[Mo₃S₁₃]²⁻ Hybrid Materials and Light‐Driven Catalysis

Nabiyan

Max

Neumann

et al. 2021

Chemistry A European J

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[Mo₃S₁₃]²⁻ als Modellsystem für die katalytische Wasserstoffentwicklung durch MoS_x: Untersuchung der Protonierungsstellen in der Gasphase durch Infrarot‐Mehrphotonendissoziationsspektroskopie

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References 60 publications

Polyampholytic Graft Copolymers as Matrix for TiO₂/Eosin Y/[Mo₃S₁₃]²⁻ Hybrid Materials and Light‐Driven Catalysis

Polyampholytic Graft Copolymers as Matrix for TiO₂/Eosin Y/[Mo₃S₁₃]²⁻ Hybrid Materials and Light‐Driven Catalysis

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[Mo3S13]2− als Modellsystem für die katalytische Wasserstoffentwicklung durch MoSx: Untersuchung der Protonierungsstellen in der Gasphase durch Infrarot‐Mehrphotonendissoziationsspektroskopie

Cited by 1 publication

References 60 publications

Polyampholytic Graft Copolymers as Matrix for TiO2/Eosin Y/[Mo3S13]2− Hybrid Materials and Light‐Driven Catalysis

Polyampholytic Graft Copolymers as Matrix for TiO2/Eosin Y/[Mo3S13]2− Hybrid Materials and Light‐Driven Catalysis

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Product

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[Mo₃S₁₃]²⁻ als Modellsystem für die katalytische Wasserstoffentwicklung durch MoS_x: Untersuchung der Protonierungsstellen in der Gasphase durch Infrarot‐Mehrphotonendissoziationsspektroskopie

Polyampholytic Graft Copolymers as Matrix for TiO₂/Eosin Y/[Mo₃S₁₃]²⁻ Hybrid Materials and Light‐Driven Catalysis

Polyampholytic Graft Copolymers as Matrix for TiO₂/Eosin Y/[Mo₃S₁₃]²⁻ Hybrid Materials and Light‐Driven Catalysis