A
Single Cu-Center Containing Enzyme-Mimic Enabling Full Photosynthesis
under CO2 Reduction
Posted on 2020-07-07 - 11:03
Polymeric
carbon nitride (CN) is one of the most promising metal-free photocatalysts
to alleviate the energy crisis and environmental pollution. Loading
cocatalysts is regarded as an effective way to improve the photocatalytic
efficiency of CNs. However, commonly used noble metal cocatalysts
limit their applications due to their rarity and high cost. Herein,
we present the effective synthesis of single-atom copper-modified
CN via supramolecular preorganization with subsequent
condensation, which provides effective charge transfer pathways by
an “infused” delocalized state with variable-valence
catalysis at the same time. The C–Cu–N2 single-atom
catalytic site can activate CO2 molecules and reduces the
energy barrier toward photocatalytic CO2 reduction. Excellent
performance for photocatalytic CO2 reduction was found.
This work thereby provides a general protocol of designing a noble-metal-free
photocatalyst with infused metal centers toward a wide range of applications.
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Wang, Jiu; Heil, Tobias; Zhu, Bicheng; Tung, Ching-Wei; Yu, Jiaguo; Chen, Hao Ming; et al. (2020). A
Single Cu-Center Containing Enzyme-Mimic Enabling Full Photosynthesis
under CO2 Reduction. ACS Publications. Collection. https://doi.org/10.1021/acsnano.0c02940
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AUTHORS (8)
JW
Jiu Wang
TH
Tobias Heil
BZ
Bicheng Zhu
CT
Ching-Wei Tung
JY
Jiaguo Yu
HC
Hao Ming Chen
MA
Markus Antonietti
SC
Shaowen Cao
KEYWORDS
metal-free photocatalystsCO 2 moleculesmetal cocatalysts limitCO 2 Reduction Polymeric carbon nitrideLoading cocatalystssupramolecular preorganizationphotocatalytic efficiencyenergy crisismetal centersapplicationsingle-atom copper-modified CNnoble-metal-free photocatalystSingle Cu-Center Containing Enzyme-...Excellent performancecharge transfer pathwaysenergy barrierphotocatalytic CO 2 reductionvariable-valence catalysis