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英语翻译
conjugated
ligands are particularly attractive building blocks for
self-assembly reactions,because cofacial molecular aggregation
can maximize the orbital interactions between two
p systems,thus leading to rich photophysical and photochemical
properties that can be harnessed for optoelectronic
applications and light-energy conversion reactions.[9] Intermolecular
PtII···PtII interactions play a key role in the close
packing of molecules.To date,quasi-one-dimensional nanowires
have been obtained by self-organization of organoplatinum(
II) complexes,presumably owing to the fact that
molecular propagation is faster along the PtII···PtII chain axis
than in the lateral directions.We and others have taken
advantage of this anisotropic growth mechanism to assemble
cationic organoplatinum(II) salts into nanostructures with
luminescent,semiconducting,liquid crystalline,and gelating
properties.[10] Herein we report free-standing and crystalline
nanosheets self-assembled from neutral pincer-type[11] cyclometalated
platinum(II) aryl acetylides.Indeed,intermolecular
PtII···PtII and C\2H···p(C\3C)[12] interactions in an orthogonal
configuration account for the quasi-2D molecular
organization herein.Notably,these organometallic nanosheets
luminesce in the red to near infrared (NIR) region,and
their electronic conductivity can be modulated by visible-light
irradiation.
conjugated
ligands are particularly attractive building blocks for
self-assembly reactions,because cofacial molecular aggregation
can maximize the orbital interactions between two
p systems,thus leading to rich photophysical and photochemical
properties that can be harnessed for optoelectronic
applications and light-energy conversion reactions.[9] Intermolecular
PtII···PtII interactions play a key role in the close
packing of molecules.To date,quasi-one-dimensional nanowires
have been obtained by self-organization of organoplatinum(
II) complexes,presumably owing to the fact that
molecular propagation is faster along the PtII···PtII chain axis
than in the lateral directions.We and others have taken
advantage of this anisotropic growth mechanism to assemble
cationic organoplatinum(II) salts into nanostructures with
luminescent,semiconducting,liquid crystalline,and gelating
properties.[10] Herein we report free-standing and crystalline
nanosheets self-assembled from neutral pincer-type[11] cyclometalated
platinum(II) aryl acetylides.Indeed,intermolecular
PtII···PtII and C\2H···p(C\3C)[12] interactions in an orthogonal
configuration account for the quasi-2D molecular
organization herein.Notably,these organometallic nanosheets
luminesce in the red to near infrared (NIR) region,and
their electronic conductivity can be modulated by visible-light
irradiation.
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