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博士論文
国立国会図書館館内限定公開
収録元データベースで確認する
国立国会図書館デジタルコレクション
デジタルデータあり(新潟大学)
STUDY OF LOCALIZED SURFACE PLASMON AND GRATING-COUPLED SURFACE PLASMON ENHANCED PHOTOELECTROLYTIC ELECTRODE AND ORGANIC PHOTOVOLTAICS
- 国立国会図書館永続的識別子
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- This dissertation demonstrates the usage of localized surface plasmon (LSPR) and grating-coupled surface plasmon resonance (GCSPR) to enhance the phot...
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デジタル
- 資料種別
- 博士論文
- 著者・編者
- Nootchanat, Supeera
- 出版事項
- 出版年月日等
- 2015-09-24
- 出版年(W3CDTF)
- 2015-09-24
- 並列タイトル等
- STUDY OF LOCALIZED SURFACE PLASMON AND GRATING-COUPLED SURFACE PLASMON ENHANCED PHOTOELECTROLYTIC ELECTRODE AND ORGANIC PHOTOVOLTAICS局在表面プラズモンとグレーティングカップリング表面プラズモン共鳴増強電界を利用した光触媒電極・有機太陽電池の研究
- 授与機関名
- 新潟大学
- 授与年月日
- 2015-09-24
- 授与年月日(W3CDTF)
- 2015-09-24
- 報告番号
- 甲第4086号
- 学位
- 博士(工学)
- 博論授与番号
- 甲第4086号
- 本文の言語コード
- eng
- 件名標目
- 一般注記
- This dissertation demonstrates the usage of localized surface plasmon (LSPR) and grating-coupled surface plasmon resonance (GCSPR) to enhance the photocatalytic activity of a thin film photocatalyst, particularly TiO_2 (P25), and the performance of thin film organic photovoltaic. In the first study, we show the improvement of the photocurrent of the TiO_2 photocatalyst film in water splitting reaction by using localized surface plasmon of gold nanoparticles. We prepared plasmonic gold nanoparticle (AuNP)–TiO_2 nanocomposite and deposited on transparent-conductive electrode (indium-tin-oxide (ITO) coated glass) to obtain AuNP–TiO_2 nanocomposite photoelectrocatalytic (PEC) electrode with the thickness of ~460 nm. The photocurrent that originates from the water-splitting reaction catalyzed by LSPR of the gold nanoparticles affected the generation of photocurrent by TiO_2 upon illumination with visible light was systematic measured. Using electrochemical impedance spectroscopy (EIS), the results suggest that the improvement in the photocurrent generation creates from an enhancement in electron–hole pair generation, which induced by the LSPR of the plasmonic gold nanoparticles, rather than the extension of the electron lifetime. Moreover, we not only show the effect of LSPR in enhancement of the photocurrent of TiO_2 under visible illumination but also introduced a new method to enhance the photocurrent of TiO_2 by a multiple plasmonic effect, i.e., the cooperation of LSPR of plasmonic gold nanoparticles and the GCSPR of a gold grating. For the second study, we emphasize on the improvement of the photocurrent and the photo-electricity conversion efficiency of thin film P3HT:PCBM solar cells by GCSPR. The Blu-ray disc recordable (BD-R) and Blu-ray disc (BD) grating pattern (Λ = 330 nm) were created on the active layer of the solar cell using pressure-less nanoimprinting technique, following by thermal evaporation of aluminum to obtain the BD-R and BD grating back electrode. The surface plasmon (SP) reflectivity curves of the fabricated solar cell reveal the decrease of the reflection spectra of the solar cells with BD-R and BD grating compare with the flat device. This can be implied to the increase of the trapped light in the device due to the BD and BD-R grating structures that can be assigned to two regions included (i) the increase of the light trapping at 400 – 650 nm attributed to the light scattering effect. (ii) The irradiation photon can be coupled into GCSPR that propagates along the surface of the diffraction grating which can be observed as the occurrence of the dip peaks at the wavelength longer than 650 nm. The I-V characterization results show the improvement of photocurrent about 10% and 5.6% for the BD-R and BD solar cell, respectively. Moreover, the enhancement of the photoconversion efficiency of 19.3% can be obtained from BD-R solar cell while those of solar cell with BD grating can be improve the photoconversion efficiency of 3.2% compared to flat solar cell.学位の種類: 博士(工学). 報告番号: 甲第4086号. 学位記番号: 新大院博(工)甲第437号. 学位授与年月日: 平成27年9月24日新大院博(工)甲第437号開始ページ : 1終了ページ : 84
- 国立国会図書館永続的識別子
- info:ndljp/pid/9577862
- コレクション(共通)
- コレクション(障害者向け資料:レベル1)
- コレクション(個別)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
- 収集根拠
- 博士論文(自動収集)
- 受理日(W3CDTF)
- 2016-01-05T14:58:43+09:00
- 作成日(W3CDTF)
- 2019-08-05
- 記録形式(IMT)
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否(NDL)
- 可
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション