尺寸相依銀奈米粒子激發局域性表面電漿共振於氧化鋅奈米柱陣列其發光光譜提升之研究
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2015
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Abstract
本研究，利用銀薄膜快速熱退火製程銀奈米粒子，增強氧化鋅光激發光及電激發光之n型氧化鋅奈米柱陣列/p型氮化鎵發光二極體。相較於單純n型氧化鋅奈米柱陣列/p型氮化鎵發光二極體，摻雜尺寸相依大小的銀奈米粒子具有提升氧化鋅奈米柱陣列光激發光和電激發光的特性。n型氧化鋅奈米柱陣列/p型氮化鎵發光二極體的光強度增強提升，結果可歸因於銀奈米粒子激發局域性表面電漿共振在氧化鋅奈米柱陣列所增強的機制。
Enhanced electroluminescence (EL) of n-ZnO nanorod arrays/p-GaN light-emitting diodes (LEDs) based on an-ZnO/Ag nanoparticle utilizing the excellent properties of Ag nanoparticle. The LEDs using ZnO/Ag nanoparticle composite nanorod with proper size of Ag showed enhanced EL and photoluminescence (PL) with respect to that of LEDs with only pure ZnO nanorod arrays. The results were attributed to Ag nanoparticles localized surface plasma resonance excited in n-ZnO nanorod arrays.
Enhanced electroluminescence (EL) of n-ZnO nanorod arrays/p-GaN light-emitting diodes (LEDs) based on an-ZnO/Ag nanoparticle utilizing the excellent properties of Ag nanoparticle. The LEDs using ZnO/Ag nanoparticle composite nanorod with proper size of Ag showed enhanced EL and photoluminescence (PL) with respect to that of LEDs with only pure ZnO nanorod arrays. The results were attributed to Ag nanoparticles localized surface plasma resonance excited in n-ZnO nanorod arrays.
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銀奈米粒子, 氧化鋅奈米柱, 發光二極體, 表面電漿, Ag nanoparticle, n-ZnO nanorod arrays, light-emitting diodes, localized surface plasma