biostudies-literatureDu YNatural Science Foundation of Shanxi ProvinceNational Natural Science Foundation of ChinaChina Postdoctoral Science Foundation10142-10153https://www.ebi.ac.uk/biostudies/studies/S-EPMC8968189biostudies-literatureUnknown12(16)CuAl-LDO, CuAl-LDO/TiO₂ and CuAl-LDO/TiO₂NTs catalysts were obtained from TiO₂ modified LDHs precursor which were prepared by <i>in situ</i> assembly method. Then catalysts were evaluated in the selective catalytic reduction of NO _<i>x</i> with NH₃(NH₃-SCR), and the results showed that the CuAl-LDO/TiO₂NTs catalyst exhibited preferable deNO _<i>x</i> performance (more than 80% NO _<i>x</i> conversion and higher than 90% N₂ selectivity at a temperature range of 210-330 °C) as well as good SO₂ resistance. With the aid of series of characterizations such as XRD, N₂ adsorption/desorption, XPS, NH₃-TPD, H₂-TPR, and <i>in situ</i> DRIFTS, it coulRSC advancesDeNO _<i>x</i> performance enhancement of Cu-based oxides <i>via</i> employing a TiO₂ phase to modify LDH precursors.PMC89681892020M670706201901D2114455197843652000092Liu XLiu JDu RDu YWu XfalseDeNO _<i>x</i> performance enhancement of Cu-based oxides <i>via</i> employing a TiO₂ phase to modify LDH precursors.CuAl-LDO, CuAl-LDO/TiO₂ and CuAl-LDO/TiO₂NTs catalysts were obtained from TiO₂ modified LDHs precursor which were prepared by <i>in situ</i> assembly method. Then catalysts were evaluated in the selective catalytic reduction of NO _<i>x</i> with NH₃(NH₃-SCR), and the results showed that the CuAl-LDO/TiO₂NTs catalyst exhibited preferable deNO _<i>x</i> performance (more than 80% NO _<i>x</i> conversion and higher than 90% N₂ selectivity at a temperature range of 210-330 °C) as well as good SO₂ resistance. With the aid of series of characterizations such as XRD, N₂ adsorption/desorption, XPS, NH₃-TPD, H₂-TPR, and <i>in situ</i> DRIFTS, it coul2022-01-01T00:00:00Z2022 Mar2025-04-04T07:34:44.183Z2025-04-04T07:34:44.183ZS-EPMC89681893542492710.1039/d2ra00316c