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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.Wu, Wen-Kai
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search.filters.author.吳文凱
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search.filters.subject.Distributed bragg reflector
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search.filters.subject.Chemical vapor deposition method
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search.filters.subject.Perovskite quantum dots
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search.filters.subject.Photodector
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search.filters.subject.Tamm plasma
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微共振腔鈣鈦礦量子點異質接面光偵測器元件之特性探討
(
2023
)
吳文凱
;
Wu, Wen-Kai
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本篇最初使用化學氣象沉積法製作鈣鈦礦層,將鈣鈦礦作為增益介質,結合一個P型材料氧化鎳和一個N型材料氧化鋅製作成光偵測器,並加入金屬電極銀和布拉格反射鏡形成塔米電漿結構。由於本實驗利用化學氣象沉積法製作的鈣鈦礦層無法達成COMSOL模擬所需的厚度,因此改由熱注入法來製作,將鈣鈦礦層變成量子點的型態。 熱注入法製作出的鈣鈦礦量子點彼此間有許多的不連續的邊界,因此我們利用PMMA溶液覆蓋於鈣鈦礦層上方,不但填補了鈣鈦礦量子點裡晶粒間的空缺,也可以避免上方的氧化鋅與下方的氧化鎳接觸。量測方面利用COMSOL模擬了解該結構的低反射模態位置,並使用470 nm的LED作為光訊號來源使鈣鈦礦層產生光電流,最後比較有無布拉格反射鏡對鈣鈦礦光偵測器的影響。
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