Fabrication of a High‐Brightness Blue‐Light‐Emitting Diode Using a ZnO‐Nanowire Array Grown on p‐GaN Thin Film

Zhang, Xiaomei; Lu, Ming-Yen; Zhang, Yue; Chen, Lih-J.; Wang, Zhong Lin

doi:10.1002/adma.200802686

Cited by 446 publications

(221 citation statements)

References 25 publications

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“…Whereas the redshifted violet emission band centered at about 430 nm was ascribed to the transitions from the conduction band or shallow donors to deep Mg acceptor levels in the p-GaN thin film substrate [372,377,380]. The blue emission at around 460 nm was assigned to the radiative interfacial recombination of the electrons from n-ZnO and holes from p-GaN [380][381][382]. The interface states generally act as nonradiative centers that annihilate free electrons and holes.…”

Section: Inorganic Heterojunction Ledsmentioning

confidence: 99%

One-dimensional ZnO nanostructures: Solution growth and functional properties

2011

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One-dimensional (1D) ZnO nanostructures have been studied intensively and extensively over the last decade not only for their remarkable chemical and physical properties, but also for their current and future diverse technological applications. This article gives a comprehensive overview of the progress that has been made within the context of 1D ZnO nanostructures synthesized via wet chemical methods. We will cover the synthetic methodologies and corresponding growth mechanisms, different structures, doping and alloying, positioncontrolled growth on substrates, and finally, their functional properties as catalysts, hydrophobic surfaces, sensors, and in nanoelectronic, optical, optoelectronic, and energy harvesting devices.

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Section: Inorganic Heterojunction Ledsmentioning

confidence: 99%

One-dimensional ZnO nanostructures: Solution growth and functional properties

2011

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“…The round-shaped spot is originated from the whole disk-shaped ZnO nanowires layer. Most previous works exhibited a strong EL emission from forward bias beyond 10 V at higher wavelength [148][149][150][151][152]. Another study showed different EL behavior from other nZnO/p-GaN heterojunctions where the EL generated only from either the n-ZnO or p-GaN side [143].…”

Section: Hybrid / Heterostructuresmentioning

confidence: 93%

Zinc Oxide Nanophotonics

Choi

Aharonovich

2015

Nanophotonics

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Abstract:The emerging field of nanophotonics initiated a dedicated study of single photon sources and optical resonators in new class of materials. One such material is zinc oxide (ZnO) that has been long considered only for classical light-emitting applications. However, it recently showed promise for quantum photonics technologies. In this review, we highlight the recent advances in studying single emitters in ZnO, engineering of optical cavities and practical nanophotonics devices including nanolasers and electrically triggered devices. We finalize with an outlook at this promising area, as well as provide perspectives and open questions in solid state nanophotonics employing ZnO.

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“…[17][18][19]. It has large exciton binding energy (60mV) and hexagonal shape, and is significantly applied in optics, electronics, sensors and actuators [20,21]. Based on morphological structure and the organization of ZnO, its properties and applications can be determined [22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of Photosensitization Behavior of 1-(4-fluorophenyl)-2-(naphthalen-1-yl)-4, 5-diphenyl-1H-imidazole by Nanocrystalline ZnO

Kalaiarasi¹,

Ashok²,

Prabakaran³

2018

DJ JECF

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1 H NMR, 13 C NMR, mass spectral and elemental analysis data are used to synthesize and characterize photosensitive imidazole derivative of 1-(4-Fluorophenyl)-2-(Naphthalen-1-yl)-4, 5-Diphenyl-1H-Imidazole [FNDI]. Nano crystalline ZnO synthesized by sol-gel method is characterized by absorption (UV), fluorescence (PL), Fourier-Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy (SEM) and Energy Dispersive X ray Spectroscopy (EDS). The nanocrystalline ZnO surface is bounded by the imidazole derivative. Fluorescence enhancement is explained based on Photo-induced Electron Transfer (PET) method, and calculation of apparent binding constant is done. Due to the ligand adsorption on the ZnO nanoparticle, the LUMO and HOMO energy levels of imidazole derivative are lowered, and strong adsorption occurs due to the chemical affinity between the N 2 atom of the imidazole derivative and the Zn ion. Fluorescence enhancement occurs due to the electron injection from photo excited imidazole derivative to the ZnO conduction band.

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Fabrication of a High‐Brightness Blue‐Light‐Emitting Diode Using a ZnO‐Nanowire Array Grown on p‐GaN Thin Film

Cited by 446 publications

References 25 publications

One-dimensional ZnO nanostructures: Solution growth and functional properties

One-dimensional ZnO nanostructures: Solution growth and functional properties

Zinc Oxide Nanophotonics

Enhancement of Photosensitization Behavior of 1-(4-fluorophenyl)-2-(naphthalen-1-yl)-4, 5-diphenyl-1H-imidazole by Nanocrystalline ZnO

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