2012
DOI: 10.1002/ange.201207467
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Sequence‐Dependent Assembly to Control Molecular Interface Properties

Abstract: Functional molecular materials have been obtained by liquid/ vapor-phase epitaxy or layer-by-layer (LbL) assembly with 1) electro-optic responses sufficiently high to build highspeed electro-optical modulators, [1] 2) high-k dielectrics for fabricating organic field effect transistors (OFETs), [2] and 3) ultra-low-b materials to generate molecular wires. [3] Moreover, combining metal-ligand coordination chemistry with stepwise solution-based deposition resulted in the formation of crystalline assemblies, incl… Show more

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Cited by 9 publications
(24 citation statements)
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“…35 Note also that the fabrication of heterogeneous metallo−organic oligomers is the actual issue within the general framework of metallo−organic assembly on solid supports. 17,18 Significantly, assembly of differing metal complexes in alternating fashion, as presented in our case, has some advantages over other types of heterogeneous assembly. 18 ■ EXPERIMENTAL SECTION Synthesis and characterization data for 4′-pyridyl terpyridyl 36 and its metal complexes, such as Ru(pytpy) S2).…”
Section: ■ Introductionmentioning
confidence: 74%
See 1 more Smart Citation
“…35 Note also that the fabrication of heterogeneous metallo−organic oligomers is the actual issue within the general framework of metallo−organic assembly on solid supports. 17,18 Significantly, assembly of differing metal complexes in alternating fashion, as presented in our case, has some advantages over other types of heterogeneous assembly. 18 ■ EXPERIMENTAL SECTION Synthesis and characterization data for 4′-pyridyl terpyridyl 36 and its metal complexes, such as Ru(pytpy) S2).…”
Section: ■ Introductionmentioning
confidence: 74%
“…Several successful methodologies within the general “bottom-up” and “top-down” frameworks were developed to fabricate such molecular assemblies . Among them, the bottom-up, layer-by-layer (LBL) technique, described also as the stepwise coordination method, emerged as a facile, inexpensive, environment friendly, and well-controllable approach. This approach is widely used to grow metal complex wires composed either of metal ions and bridging metal ions or of organo–metal complexes and bridging ligands or bridging metal ions. , In addition, LBL attachment of functional molecular units to preorganized molecular templates makes possible the preparation of surface-confined inorganic–organic hybrid materials (SURIOHMs) with layered architectures as well as with enhanced optical and electrochemical properties …”
Section: Introductionmentioning
confidence: 99%
“…In more complicated sequence-dependent molecular layer-by-layer assemblies, the pathway of electron transfer can be controlled by tuning the surface−interface thickness of the molecular components. 16 Utilizing this approach, Lahav and van der Boom have varied the thicknesses of layers of Ru and Co complexes successively deposited onto an ITO flat surface to get an EC device that can shift redox properties under light irradiation. 17 This elegant approach allows control of (to open or keep closed) the electron-transport channel in EC materials and therefore opens the door for reversible energy storing devices that can undergo light-triggered charge release simultaneously accompanied by the device color change.…”
Section: Introductionmentioning
confidence: 99%
“…The molecular arrangement on surfaces is governed by molecular geometry and intermolecular interactions such as π–π stacking, hydrogen bonding, dipole–dipole interactions, and van der Waals interactions 7. In addition, the assembly order can be of critical importance in attaining desirable thin‐film properties 8. Initial organic layers are essential for determining device performance and properties 9…”
Section: Introductionmentioning
confidence: 99%