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J Nanosci Nanotechnol ; 20(8): 4746-4752, 2020 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-32126651


In this work, a novel WO³ · H²O spherical structure which was self-assembled by nanorods was achieved by using hydrothermal method. A comprehensive growth mechanism was proposed to explain the formation of three different type nanostructures. Flexible gas sensors were successfully fabricated based on such unique nanostructures. We found that these nanorods and nanoparticle's self-assembled spherical structure showed excellent gas response to ammonia. This result may provide great benefit potential to further study for the preparation and gas performance of such self-assembled structure of WO³ · H²O.

Nat Commun ; 4: 1971, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23736123


Adopting the emerging technology of printed electronics in manufacturing novel ultrathin flat panel displays attracts both academic and industrial interests because of the challenge in the device physics and the potential of reducing production costs. Here we produce all-solution processed polymer light-emitting diode displays by solution-depositing the cathode and utilizing a multifunctional buffer layer between the cathode and the organic layers. The use of ink-jetted conducting nanoparticles as the cathode yields high-resolution cathode patterns without any mechanical stress on the organic layers. The buffer layer, which offers the functions of solvent-proof electron injection and proper affinity, is fabricated by mixing the water/alcohol-soluble polymer and a curable epoxy adhesive. Our 1.5-inch polymer light-emitting diode displays are fabricated without any dead pixels or dead lines. The all-solution process eliminates the need for high vacuum for thermal evaporation of the cathode, which paves the way to industrial roll-to-roll manufacturing of flat panel displays.

Langmuir ; 27(24): 14710-5, 2011 Dec 20.
Artigo em Inglês | MEDLINE | ID: mdl-22043855


Organic nanowire (NW) transistor arrays with a mobility of as high as 1.26 cm(2)·V(-1)·S(-1) are fabricated by combining the dip-coating process to align the NW into arrays with the inkjet printing process to pattern the source/drain electrodes. A narrow gap of ~20 µm has been obtained by modifying the inkjet process. The all-solution process is proven to be a low-cost, high-yield, simple approach to fabricating high-performance organic NW transistor arrays over a large area.

Eletrônica/métodos , Nanotecnologia/métodos , Nanofios/química , Impressão/métodos , Cristalização , Eletrodos , Eletrônica/instrumentação , Nanofios/análise , Impressão/instrumentação , Transistores Eletrônicos
Langmuir ; 25(2): 665-71, 2009 Jan 20.
Artigo em Inglês | MEDLINE | ID: mdl-19090657


Aligned organic nanowire arrays are grown in situ and patterned via dip coating. By optimizing the stick-slip motion, the solvent evaporation conditions, and the solution concentration, parallel organic nanowire arrays with tunable length and desirable density and periodicity are directly grown and aligned on the substrate. Organic FETs based on the organic nanowire array have been successfully fabricated with a mobility of 1 x 10(-4) cm(2) .V(-1).s(-1).

Nanofios/química , Tiofenos/química , Estrutura Molecular , Nanotecnologia/métodos , Tamanho da Partícula , Soluções , Propriedades de Superfície , Xilenos/química