10.1002/anie.201800817
Angewandte Chemie International Edition
COMMUNICATION
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In summary, we have successfully synthesized zirconium-
porphyrinic MOF hollow nanotubes by
a
competitive
coordination strategy. The HNTM can act as a support to anchor
various single noble metal atoms (Ru, Au, Pd, Ir, Pt). Aberration-
corrected-STEM and X-ray absorption fine structure (XAFS)
spectroscopy are performed to certify that single atoms are
anchored successfully with -N4 structure of porphyrin units. As a
proof-of-concept, the HNTM-Ir/Pt shows excellent catalytic
performance for the visible-light photocatalytic H2 evolution from
water splitting, which mainly comes from the single-atom feature,
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separation of charge carriers and the reduced charge-transfer
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This work was supported by NSFC (21431003, 21521091),
China Ministry of Science and Technology under Contract of
2016YFA0202801, National Program on Key Basic Research
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Keywords: single atom • hollow nanotube • zirconium-based
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