Phase-enabled metal-organic framework homojunction for highly selective CO2 photoreduction

Yannan Liu, Chuanshuang Chen, Jesus Valdez, Debora Motta Meira, Wanting He, Yong Wang, Catalin Harnagea, Qiongqiong Lu, Tugrul Guner, Hao Wang, Cheng-Hao Liu, Qingzhe Zhang, Shengyun Huang, Aycan Yurtsever, Mohamed Chaker and Dongling Ma ()
Additional contact information
Yannan Liu: Institut National de la Recherche Scientifque (INRS)
Chuanshuang Chen: Shanghai Jiao Tong University
Jesus Valdez: Institut National de la Recherche Scientifque (INRS)
Debora Motta Meira: CLS@APS sector 20, Advanced Photon Source, Argonne National Laboratory
Wanting He: Institut National de la Recherche Scientifque (INRS)
Yong Wang: Institut National de la Recherche Scientifque (INRS)
Catalin Harnagea: Institut National de la Recherche Scientifque (INRS)
Qiongqiong Lu: Leibniz Institute for Solid State and Materials Research (IFW) Dresden e.V.
Tugrul Guner: Institut National de la Recherche Scientifque (INRS)
Hao Wang: Shanghai Jiao Tong University
Cheng-Hao Liu: McGill University
Qingzhe Zhang: Institut National de la Recherche Scientifque (INRS)
Shengyun Huang: Institut National de la Recherche Scientifque (INRS)
Aycan Yurtsever: Institut National de la Recherche Scientifque (INRS)
Mohamed Chaker: Institut National de la Recherche Scientifque (INRS)
Dongling Ma: Institut National de la Recherche Scientifque (INRS)

Nature Communications, 2021, vol. 12, issue 1, 1-13

Abstract: Abstract Conversion of clean solar energy to chemical fuels is one of the promising and up-and-coming applications of metal–organic frameworks. However, fast recombination of photogenerated charge carriers in these frameworks remains the most significant limitation for their photocatalytic application. Although the construction of homojunctions is a promising solution, it remains very challenging to synthesize them. Herein, we report a well-defined hierarchical homojunction based on metal–organic frameworks via a facile one-pot synthesis route directed by hollow transition metal nanoparticles. The homojunction is enabled by two concentric stacked nanoplates with slightly different crystal phases. The enhanced charge separation in the homojunction was visualized by in-situ surface photovoltage microscopy. Moreover, the as-prepared nanostacks displayed a visible-light-driven carbon dioxide reduction with very high carbon monooxide selectivity, and excellent stability. Our work provides a powerful platform to synthesize capable metal–organic framework complexes and sheds light on the hierarchical structure-function relationships of metal–organic frameworks.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21401-2

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DOI: 10.1038/s41467-021-21401-2

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