Direct-Writing Large-Area Cross-Aligned Ag Nanowires Network: Toward High-Performance Transparent Quantum Dot Light-Emitting Diodes

Meng, Lili; Zhang, Min; Deng, Hui; Xu, Bojie; Wang, Hongqin; Wang, Yunjun; Jiang, Lei; Liu, Huan

doi:10.31635/ccschem.020.202000402

Cited by 23 publications

(33 citation statements)

References 39 publications

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“…Unlike that model, 29 ours demonstrates reasonable limiting behaviour when R j c R s . Generalisations of the model to wires with a length distribution, 55,56 to waved or bent wires 11,54,57 as well to systems of ordered or aligned linear wires 8,[58][59][60][61] are straightforward.…”

Section: Discussionmentioning

confidence: 99%

Electrical conductivity of random metallic nanowire networks: an analytical consideration along with computer simulation

Tarasevich

Vodolazskaya

Eserkepov

2022

Phys. Chem. Chem. Phys.

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Section: Discussionmentioning

confidence: 99%

Electrical conductivity of random metallic nanowire networks: an analytical consideration along with computer simulation

Tarasevich

Vodolazskaya

Eserkepov

2022

Phys. Chem. Chem. Phys.

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“…(b) NW assembly in the liquid: (i) spin-coating-assisted assembly; (ii) agitation-assisted assembly; (iii) fluid-flow-assisted assembly; (iv) spray-coating-assisted assembly; (v) brush-flow-assisted assembly. (i)–(vi) are reproduced with permission from the following: (i) ref , Copyright 2020 ACS, (ii) ref , Copyright 2021 Wiley, (iii) refs and , Copyright 2019 ACS, (iv) ref , Copyright 2021 ACS, and (v) ref , Copyright 2020 CCS publishing group. (c) NW assembly by the solid template: (i) nanoimprinting-assisted assembly; (ii) ice-template assembly for the two-dimensional (2D) NW pattern; (iii) ice-template assembly for the three-dimensional (3D) NW architecture.…”

Section: Ordering Of Nanowires With Different Driving Forcesmentioning

confidence: 99%

Self-Assembly of Nanowires: From Dynamic Monitoring to Precision Control

Wang

Chen

et al. 2022

Acc. Chem. Res.

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Conspectus Natural biomaterials often show ordered nanowire structures (ONWS) which display unique structural color or superior mechanical performance. Meanwhile, plenty of modern nanodevices with ONWS have flourished with activities focused on both basic and applied research. Manipulating synthetic nanowire (NW) from a disordered state to a hierarchically ordered structure via various assembly strategies brings about intriguing and exotic chemical/physical properties. In the past decades, many methods have been developed to assemble NWs and fabricate organized architectures, such as Langmuir–Blodgett interfacial assembly, spin-coating assembly, fluid-flow-induced assembly, and ice-template assembly. Nevertheless, for practical applications, large-scale and high-efficiency assembly strategies toward precise controlled architectures are largely limited by the lack understanding of assembly mechanisms. Especially, the manipulation principles and driving forces behind the state-of-art assembly strategies are still unclear. Besides, the lesser research attention on dynamic kinetics also impedes the revelation of the NW self-assembly mechanism. With the emergence of advanced in situ techniques, such as synchrotron-based X-ray techniques and in situ transmission electron microscopy (TEM), the dynamic monitoring of NW behavior in many practical environments becomes possible. In addition, the alignment direction and the stacking manner of NW film are of significance to the final performance. There is a lack of connection between the properties of one-dimensional nanoscale building blocks and the functionalities of the macro-assembly structures. To this end, dynamic monitoring is highly desired, which enables the precision modulation of NW assembly structure, leading to the discovery or prediction of new structures, novel properties, and performance optimization. In this Account, we aim to uncover the underlying kinetics of NW assembly or local reaction and mass transportation processes, as well as to build a solid connection from individual NWs to NW assembly structures with enhanced properties and eventually to macroscopic materials application. We first review the recent progress in state-of-art NW assembly strategies for diverse aligned structures according to the manipulation principle and the driving forces. To systematically review the NW self-assembly strategies, we categorize these strategies into three states: NWs on the liquid interface via surface tension, NW assembly in liquid via solution-shearing flow field, and NW assembly at the solid interval via physical repulsive force. Then, we introduce the existing advanced characterization techniques, including synchrotron-based X-ray scattering and in situ TEM, to dynamically monitor the intermediate states of the NW assembly and transport processes. The comprehensive understanding of this thermodynamic and kinetic mechanism facilitates the rational design, large scale, and high-efficiency fabrication of NW assemblies, thus promoting their applications in tailored...

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“…1−4 Generally, conjugated polymers display the inferior charge mobility or other properties to organic small molecules due to the random arrangement and entanglement of molecular chains, resulting in quite complex microstructures in the films. 5,6 It is also well established that the order extent of microstructures in polymer films is paramount for decreasing energy barriers and increasing charge transport or other optoelectronic properties. 7−11 Generally, conjugated polymers are mostly semicrystalline and their molecular packing modes, which depend remarkably on the deposition conditions, have a significant influence on the charge transport.…”

Section: Introductionmentioning

confidence: 99%

“…In recent decades, functional conjugated polymers have received more and more interest in the field of organic flexible electronic devices, such as organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and organic light-emitting diodes (OLEDs), due to their unique mechanical flexibility and solution processability. − Generally, conjugated polymers display the inferior charge mobility or other properties to organic small molecules due to the random arrangement and entanglement of molecular chains, resulting in quite complex microstructures in the films. , It is also well established that the order extent of microstructures in polymer films is paramount for decreasing energy barriers and increasing charge transport or other optoelectronic properties. − Generally, conjugated polymers are mostly semicrystalline and their molecular packing modes, which depend remarkably on the deposition conditions, have a significant influence on the charge transport. For instance, Sirringhaus and colleagues found the effect of different molecular packing modes of poly(3-hexylthiophene) (P3HT) on the transistor properties.…”

Section: Introductionmentioning

confidence: 99%

Oriented Conjugated Copolymer Films with Controlled Crystal Forms and Molecular Stacking Modes for Enhanced Charge Transport and Photoresponsivity

Wang

Liu

Hua

et al. 2021

ACS Appl. Polym. Mater.

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Most of conjugated copolymers are semicrystalline. The crystal modification and crystalline morphology have an obvious effect on their charge transport. Therefore, controlling the crystal structures of conjugated copolymers is necessary for optimizing charge transport. Herein, large-area oriented poly [2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b′]dithiophene)alt-4,7(2,1,3-benzothiadiazole)] (PCPDTBT) crystalline films are produced by the epitaxial crystallization on oriented polyethylene (PE) substrates based on perfect two-dimensional lattice matching. Furthermore, the stacking modes of PCPDTBT crystals has been successfully controlled by epitaxy combined with chlorobenzene (CB) annealing or addition of 1,8-diiodooctane (DIO). PCPDTBT films spin-coated from CB solution on a PE substrate exist in both edge-on and face-on molecular chain orientations. The amount of edge-on stacking in CB-annealed PCPDTBT/PE films is much higher than that in the DIO-processed films. Moreover, the oriented PCPDTBT films exposed to CB vapor are confirmed to adopt the dimer crystal form. The addition of DIO can significantly improve the orientation extent of PCPDTBT main chains with a π-stacked form. The highly oriented films with a πstacked form demonstrate excellent carrier mobility (2.1 × 10 −2 cm 2 V −1 s −1 ) measured along the direction of PCPDTBT chains. The carrier mobility of DIO-processed PCPDTBT films along molecular chains is 76 times higher than that measured in the perpendicular direction of molecular chains. As a result, the ratio of anisotropic photoresponsivity of DIO-processed oriented PCPDTBT films can reach to 100. This work demonstrates a facile method to fabricate large-area and highly oriented PCPDTBT crystalline films with controlled crystal forms, which have potential applications in phototransistors.

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Direct-Writing Large-Area Cross-Aligned Ag Nanowires Network: Toward High-Performance Transparent Quantum Dot Light-Emitting Diodes

Abstract: We envision that these results will shed new light on easy fabrication of high-performance FTEs.

Cited by 23 publications

References 39 publications

Electrical conductivity of random metallic nanowire networks: an analytical consideration along with computer simulation

Electrical conductivity of random metallic nanowire networks: an analytical consideration along with computer simulation

Self-Assembly of Nanowires: From Dynamic Monitoring to Precision Control

Oriented Conjugated Copolymer Films with Controlled Crystal Forms and Molecular Stacking Modes for Enhanced Charge Transport and Photoresponsivity

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