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author：

Wang, S. (Wang, S..) [1] | Zhuang, Z. (Zhuang, Z..) [2] | Chen, X. (Chen, X..) [3] | Wang, Y. (Wang, Y..) [4] | Li, X. (Li, X..) [5] | Yang, M. (Yang, M..) [6] | Wu, Y. (Wu, Y..) [7] | Peng, Q. (Peng, Q..) [8] | Chen, C. (Chen, C..) [9] | Li, Y. (Li, Y..) [10]

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Scopus

Abstract：

γ-valerolactone　(GVL)　is　a　key　value-added　chemical　catalytically　produced　from　levulinic　acid　(LA),　an　important　biomass　derivative　platform　chemical.　Here　an　ultra-efficient　3D　Ru　catalyst　generated　by　in　situ　reduction　of　RuZnOx　nanoboxes　is　reported;　the　catalyst　features　a　well-defined　structure　of　highly　dispersed　in　situ　oxide-derived　Ru　(IOD-Ru)　clusters　(≈1 nm　in　size)　spatially　confined　within　the　3D　nanocages　with　rich　mesopores,　which　guarantees　a　maximized　atom　utilization　with　a　high　exposure　of　Ru　active　sites　as　well　as　a　3D　accessibility　for　substrate　molecules.　The　IOD-Ru　exhibits　ultrahigh　performance　for　the　hydrogenation　of　LA　into　GVL　with　a　record-breaking　turnover　frequency　(TOF)　up　to　59400　h−1,　14　times　higher　than　that　of　the　ex　situ　reduction　of　RuZnOx　nanoboxes　catalyst.　Structural　characterizations　and　theoretical　calculations　collectively　indicate　that　the　defect-rich　and　coordination-unsaturated　IOD-Ru　sites　can　boost　the　activation　of　the　carbonyl　group　in　LA　with　a　significantly　lowered　energy　barrier　of　hydrogenation.　©　2023　Wiley-VCH　GmbH.

Keyword：

in situ reduction levulinic acid Ru clusters RuZnOx nanoboxes γ-valerolactone

Community：

  • [ 1 ] [Wang S.]Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
  • [ 2 ] [Zhuang Z.]Department of Chemistry, Tsinghua University, Beijing, 100084, China
  • [ 3 ] [Zhuang Z.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Chen X.]Beijing Advanced Innovation Center for Materials Genome Engineering, Institute of Solid State Chemistry, University of Science and Technology Beijing, Beijing, 100083, China
  • [ 5 ] [Wang Y.]Department of Chemistry, Tsinghua University, Beijing, 100084, China
  • [ 6 ] [Li X.]Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
  • [ 7 ] [Yang M.]Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
  • [ 8 ] [Wu Y.]Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
  • [ 9 ] [Peng Q.]Department of Chemistry, Tsinghua University, Beijing, 100084, China
  • [ 10 ] [Chen C.]Department of Chemistry, Tsinghua University, Beijing, 100084, China
  • [ 11 ] [Li Y.]Department of Chemistry, Tsinghua University, Beijing, 100084, China

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Small

ISSN： 1613-6810

Year： 2023

Issue： 7

Volume： 20

1 3 . 0

JCR@2023

1 3 . 0 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：1

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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