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科技與工程學院
光電工程研究所
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73896
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search.filters.author.Ting-Wei Liao
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search.filters.author.廖庭維
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search.filters.subject.Silicon Quantum Dots
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search.filters.subject.Photodetectors
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search.filters.subject.光檢測器
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search.filters.subject.矽量子點
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2008
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矽量子點光檢測器之研究
(
2008
)
廖庭維
;
Ting-Wei Liao
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在本篇論文中,提供一種具多重奈米量子點檢測光子之光電子元件,藉由“重複堆疊結構”形成矽量子點與穿透接面,做為光檢測器之檢測構件,進而製作出矽量子點光檢測器。 在光檢測之實驗中,將針對奈米級光檢測器元件結構做光電效應特性之量測,利用不同波長之光源照射至矽量子點,藉由矽量子點扮演光轉換為電之主要角色,量測結果顯示,此元件吸收光源進而產生光電流之轉換效率非常高,具有高敏感與非常靈敏之光切換特性,並且元件本身之雜訊與暗電流特性都非常低。另外,經過長時間之光檢測實驗測量之後,其光電效應之特性也不會改變。元件在不同波長(300 nm ~ 1000 nm)之光源照射下,所得量子效率與光響應度非常高。因此,針對量測結果,進一步分析元件中光子與電子間主要之交互作用,即探討半導體矽量子點光檢測器之主要工作原理與其影響。
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