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author：

Lu, L. (Lu, L..) [1] | Yang, Z. (Yang, Z..) [2] | Huang, M. (Huang, M..) [3] | Xu, J. (Xu, J..) [4] | Zhou, J. (Zhou, J..) [5] | Briseghella, B. (Briseghella, B..) [6] | Marano, G.C. (Marano, G.C..) [7]

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Scopus

Abstract：

The　g-C3N4/CoAl-LDH　nanoflowers　with　a　strong　photocatalytic　activity　under　UV–visible　light　irradiation　was　synthesized　and　applied　with　different　dosages　to　prepare　photocatalytic　cement　mortars　(PCM).　Besides　the　photocatalytic　assessment　by　NOx　degradation,　the　effect　of　g-C3N4/CoAl-LDH　on　the　microstructural　and　mechanical　properties　of　cement　mortars　were　investigated　by　means　of　X-ray　diffraction　(XRD),　X-ray　computed　tomography　(X-CT),　mercury　intrusion　porosimetry　(MIP),　capillary　water　absorption　and　strength　tests.　The　results　show　that　in　addition　to　the　unique　air　self-purification　characteristics,　g-C3N4/CoAl-LDH　can　promote　cement　hydration　with　filling　effect　and　further　improve　the　microstructural　and　mechanical　properties　of　mortar.　Moreover,　the　ability　of　g-C3N4/CoAl-LDH　to　capture　CO32−　can　alleviate　the　influence　of　carbonation　on　photocatalytic　performance.　Therefore,　g-C3N4/CoAl-LDH　exhibits　lasting　photocatalytic　performance　in　cement-based　materials.　This　work　is　expected　to　contribute　to　the　effort　of　searching　for　new　multifunctional　nano-additives　for　improved　sustainability　of　building　materials.　©　2023　Elsevier　Ltd

Keyword：

Carbonation g-C3N4/CoAl-LDH Microstructural and mechanical properties Photocatalytic mortar

Community：

  • [ 1 ] [Lu L.]Joint International Research Laboratory of Deterioration and Control of Costal and Marine Infrastructures and Materials, College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Yang Z.]Joint International Research Laboratory of Deterioration and Control of Costal and Marine Infrastructures and Materials, College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Huang M.]Joint International Research Laboratory of Deterioration and Control of Costal and Marine Infrastructures and Materials, College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Xu J.]Joint International Research Laboratory of Deterioration and Control of Costal and Marine Infrastructures and Materials, College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Zhou J.]Tianruida (Fujian) Construction Group Co, Ltd, Fuzhou, 350108, China
  • [ 6 ] [Briseghella B.]Joint International Research Laboratory of Deterioration and Control of Costal and Marine Infrastructures and Materials, College of Civil Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Marano G.C.]Department of Structural, Geotechnical and Building Engineering, Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino, 10129, Italy

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Source ：

Journal of Building Engineering

ISSN： 2352-7102

Year： 2023

Volume： 74

6 . 7

JCR@2023

6 . 7 0 0

JCR@2023

ESI HC Threshold：35

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 13

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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