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Sökning: id:"swepub:oai:lup.lub.lu.se:fb8b99ea-cff1-4264-bd55-3fdf7cd8d083" > Ultrafast charge tr...

Ultrafast charge transfer dynamics in 2D covalent organic frameworks/Re-complex hybrid photocatalyst

Pan, Qinying (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Abdellah, Mohamed (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,South Valley University,Lund Univ, Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.;South Valley Univ, Qena Fac Sci, Dept Chem, Qena 83523, Egypt.
Cao, Yuehan (författare)
Southwest Petroleum University,Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China.
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Lin, Weihua (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Lund Univ, Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.
Liu, Yang (författare)
Southwest Petroleum University,Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China.
Meng, Jie (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Zhou, Quan (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Energy Convers & Storage, DK-2800 Lyngby, Denmark.
Zhao, Qian (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Yan, Xiaomei (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Li, Zonglong (författare)
Tsinghua University,Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China.
Cui, Hao (författare)
Tsinghua University,Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China.
Cao, Huili (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Fang, Wenting (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Tanner, David Ackland (författare)
Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.
Abdel-Hafiez, Mahmoud (författare)
Uppsala universitet,Uppsala University,National University of Science & Technology (MISIS),Energimaterialens fysik,Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.
Zhou, Ying (författare)
Southwest Petroleum University,Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China.
Pullerits, Tonu (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Lund Univ, Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.
Canton, Sophie E. (författare)
European XFEL GmbH,European XFEL, Holzkoppel 4, D-22869 Schenefeld, Germany.
Xu, Hong (författare)
Tsinghua University,Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China.
Zheng, Kaibo (författare)
Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Technical University of Denmark,Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.;Lund Univ, Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.
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Technical University of Denmark Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark (creator_code:org_t)
2022-02-11
2022
Engelska.
Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 13:1
Relaterad länk:
http://dx.doi.org/10... (free)
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https://www.nature.c...
https://doi.org/10.1...
https://uu.diva-port... (primary) (Raw object)
https://lup.lub.lu.s...
https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Rhenium(I)-carbonyl-diimine complexes have emerged as promising photocatalysts for carbon dioxide reduction with covalent organic frameworks recognized as perfect sensitizers and scaffold support. Such Re complexes/covalent organic frameworks hybrid catalysts have demonstrated high carbon dioxide reduction activities but with strong excitation energy-dependence. In this paper, we rationalize this behavior by the excitation energy-dependent pathways of internal photo-induced charge transfer studied via transient optical spectroscopies and time-dependent density-functional theory calculation. Under band-edge excitation, the excited electrons are quickly injected from covalent organic frameworks moiety into catalytic RheniumI center within picosecond but followed by fast backward geminate recombination. While under excitation with high-energy photon, the injected electrons are located at high-energy levels in RheniumI centers with longer lifetime. Besides those injected electrons to RheniumI center, there still remain some long-lived electrons in covalent organic frameworks moiety which is transferred back from RheniumI. This facilitates the two-electron reaction of carbon dioxide conversion to carbon monoxide.

Ämnesord

NATURVETENSKAP  -- Kemi -- Fysikalisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Physical Chemistry (hsv//eng)

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