Home > Publications database > A new type of noncovalent surface–π stacking interaction occurring on peroxide-modified titania nanosheets driven by vertical π-state polarization > print |
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005 | 20240712112840.0 | ||
024 | 7 | _ | |a 10.1039/D0SC06601J |2 doi |
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100 | 1 | _ | |a Shenqian, Ma |0 P:(DE-HGF)0 |b 0 |
245 | _ | _ | |a A new type of noncovalent surface–π stacking interaction occurring on peroxide-modified titania nanosheets driven by vertical π-state polarization |
260 | _ | _ | |a Cambridge |c 2021 |b RSC |
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520 | _ | _ | |a Noncovalent π stacking of aromatic molecules is a universal form of noncovalent interactions normally occurring on planar structures (such as aromatic molecules and graphene) based on sp2-hybridized atoms. Here we reveal a new type of noncovalent surface–π stacking unusually occurring between aromatic groups and peroxide-modified titania (PMT) nanosheets, which can drive versatile aromatic adsorptions. We experimentally explore the underlying electronic-level origin by probing the perturbed changes of unoccupied Ti 3d states with near-edge X-ray absorption fine structures (NEXAFS), and find that aromatic groups can vertically attract π electrons in the surface peroxo-Ti states and increase their delocalization regions. Our discovery updates the concept of noncovalent π-stacking interactions by extending the substrates from carbon-based structures to a transition metal oxide, and presents an approach to exploit the surface chemistry of nanomaterials based on noncovalent interactions. |
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700 | 1 | _ | |a Jun, Zhou |0 P:(DE-HGF)0 |b 2 |
700 | 1 | _ | |a Yang-gang, Wang |0 P:(DE-HGF)0 |b 3 |
700 | 1 | _ | |a Jiaou, Wang |0 P:(DE-HGF)0 |b 4 |
700 | 1 | _ | |a Shengqi, Chu |0 P:(DE-HGF)0 |b 5 |
700 | 1 | _ | |a Liu, Zigeng |0 P:(DE-Juel1)172733 |b 6 |
700 | 1 | _ | |a Leyu, Wang |0 P:(DE-HGF)0 |b 7 |
700 | 1 | _ | |a Guolei, Xiang |0 P:(DE-HGF)0 |b 8 |e Corresponding author |
773 | _ | _ | |a 10.1039/D0SC06601J |g Vol. 12, no. 12, p. 4411 - 4417 |0 PERI:(DE-600)2559110-1 |n 12 |p 4411 - 4417 |t Chemical science |v 12 |y 2021 |x 2041-6539 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/888458/files/d0sc06601j.pdf |y OpenAccess |
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