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含缺電子芳香單位雙噻吩並吡咯和雙噻吩並噻吩低能隙共軛高分子的合成及其太陽...

國立高雄大學化學工程及材料工程學系碩士班

含缺電子芳香單位雙噻吩並吡咯和雙噻吩並噻吩低能隙共軛高分子的合成及其太陽能電池應用 = Synthesis of Dithienopyrrole and Dithienothiophene-based Low Bandgap Conjugated Polymers Containing Electron-deficient Aromatic Units and Their Application in Polymer Solar Cells

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Synthesis of Dithienopyrrole and Dithienothiophene-based Low Bandgap Conjugated Polymers Containing Electron-deficient Aromatic Units and Their Application in Polymer Solar Cells
作者:	洪輔祥,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	民100
面頁冊數:	153葉部份彩圖，表格 : 30公分;
標題:	太陽能電池
標題:	solar cell
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/04439831733962951835
附註:	參考書目：葉137-142
摘要註:	由於光伏能量轉換中的一項重要限制因素是活化層的吸收光譜範圍與太陽光發射範圍未能配合，為了增進吸光效率，高分子的光學能隙極為重要，調控共軛高分子能階的一種重要方式即是給體-受體方法。本論文主要目的在於設計具有低能隙(low band gap)之活化層電子給體(electrondonor)材料，藉由給體-受體型交錯式之結構可降低共軛高分子之能隙，且以此新型之電子給體材料與富勒烯衍生物(6,6-苯基-C61丁酸甲酯, PCBM)混摻做為活化層製成太陽能電池，並與聚(3-己基噻吩)與富勒烯衍生物PCBM的本體異質接面混摻型太陽能電池做效率之比較。最後探討以不同的退火條件所製成之元件相分離型態和光電轉換效率之差異。本論文分成三部份，第一部分為合成太陽能電池元件構造層材料：活化層(ative layer)材料PDDTBT、PDTPF (P1~P2)。第二部分利用紅外線光譜分析（FT-IR）、核磁共振光譜（1H-NMR）鑑定光電材料皆合成成功及凝膠滲透層析(GPC)測得光電高分子材料之分子量及其聚合分佈指數值(PDI)，以紫外-可見光光譜(UV-Vis)及螢光光譜(PL)觀察光電材料之光學性質及能隙後，可由循環伏安圖譜(CV)估算出光電材料之最高滿軌域(HOMO)能量及最低空軌域(LUMO)能量，並以熱示差掃瞄卡計(DSC)分析出材料之熱性質，以原子力顯微鏡(AFM)觀察其表面型態。第三部分使用上述合成的光電材料應用於高分子本體異質結太陽能電池元件，並進行光電轉換效率的量測，得到下述結果：1. 以 ITO/PEDOT:PSS/P1 或P2:PCBM/Al 為元件構造，以紫外-可見光光譜、螢光光譜、原子力顯微鏡(AFM)觀察活化層在不同退火溫度及時間下之特徵及相分離型態，並量測其元件光電轉換效率和外部量子效率，發現當P1:PCBM 退火條件為175℃, 302min 時，有最高光電轉換效率0.525 %和外部量子效率22%(480nm 處)；P2 退火條件為175℃, 30min 時，有最佳的效率值0.524%和外部量子效率16%(475nm 處)。 The main purpose of this research is to design a series of low band gap electron donormaterials for the active layer of solar cells, which have been prepared from thedonor-acceptor alternating type conjugated polymers. These conjugated copolymers havebeen blended with PCBM to form the active layer. Solar cells composed of the newlydeveloped active layer have been compared with those based on BHJ of P3HT and PCBM forpower conversion efficiencies.Our study was divided into three parts. The first part was to synthesize the materials ofconstituted layers including (1) active layer: PDDTBT、PDTPF (P1~P2). All synthesizedoptoelectronic materials were confirmed with FTIR, 1H NMR and 13C NMR analyses.Molecular weights and polydispersity indices were obtained by GPC. Optical propertieswere observed with UV-Vis and PL. On the other hand, by the combination of bandgapvalues from UV-Vis spectroscopies with the oxidation-reduction potential values from cyclicvoltammetry, HOMO and LUMO values of all optoelectronic materials could be estimated.In addition, thermal properties of all synthesized materials were analyzed with DSC.The third part was the application of all of the synthesized materials in the constitutedlayers of polymer bulk heterojunction solar cells and the measurements of power conversionefficiency and external quantum efficiency. The results are as follows:Based on the ITO/PEDOT:PSS/P1 or P2:PCBM/Al device structure, the morphologies ofphase separation in the active layer under different thermal annealing conditions wereinvestigated and observed by UV-Vis, PL, AFM. After measuring PCE values, P1 wasconcluded that the highest PCE 0.525% and EQE 22% (at 480nm) of devices based on P1could be acquired under the annealing condition at 175℃ for 30 mins；the highest PCE0.524% and EQE 16% (at 475nm) of devices based on P2 could be acquired under theannealing condition at 175℃ for 30 mins.

含缺電子芳香單位雙噻吩並吡咯和雙噻吩並噻吩低能隙共軛高分子的合成及其太陽能電池應用 = Synthesis of Dithienopyrrole and Dithienothiophene-based Low Bandgap Conjugated Polymers Containing Electron-deficient Aromatic Units and Their Application in Polymer Solar Cells
洪, 輔祥

含缺電子芳香單位雙噻吩並吡咯和雙噻吩並噻吩低能隙共軛高分子的合成及其太陽能電池應用 = Synthesis of Dithienopyrrole and Dithienothiophene-based Low Bandgap Conjugated Polymers Containing Electron-deficient Aromatic Units and Their Application in Polymer Solar Cells / 洪輔祥撰 - [高雄市] : 撰者, 民100. - 153葉 ; 部份彩圖，表格 ; 30公分.
參考書目：葉137-142.
太陽能電池solar cell

含缺電子芳香單位雙噻吩並吡咯和雙噻吩並噻吩低能隙共軛高分子的合成及其太陽能電池應用 = Synthesis of Dithienopyrrole and Dithienothiophene-based Low Bandgap Conjugated Polymers Containing Electron-deficient Aromatic Units and Their Application in Polymer Solar Cells
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330 $a 由於光伏能量轉換中的一項重要限制因素是活化層的吸收光譜範圍與太陽光發射範圍未能配合，為了增進吸光效率，高分子的光學能隙極為重要，調控共軛高分子能階的一種重要方式即是給體-受體方法。本論文主要目的在於設計具有低能隙(low band gap)之活化層電子給體(electrondonor)材料，藉由給體-受體型交錯式之結構可降低共軛高分子之能隙，且以此新型之電子給體材料與富勒烯衍生物(6,6-苯基-C61丁酸甲酯, PCBM)混摻做為活化層製成太陽能電池，並與聚(3-己基噻吩)與富勒烯衍生物PCBM的本體異質接面混摻型太陽能電池做效率之比較。最後探討以不同的退火條件所製成之元件相分離型態和光電轉換效率之差異。本論文分成三部份，第一部分為合成太陽能電池元件構造層材料：活化層(ative layer)材料PDDTBT、PDTPF (P1~P2)。第二部分利用紅外線光譜分析（FT-IR）、核磁共振光譜（1H-NMR）鑑定光電材料皆合成成功及凝膠滲透層析(GPC)測得光電高分子材料之分子量及其聚合分佈指數值(PDI)，以紫外-可見光光譜(UV-Vis)及螢光光譜(PL)觀察光電材料之光學性質及能隙後，可由循環伏安圖譜(CV)估算出光電材料之最高滿軌域(HOMO)能量及最低空軌域(LUMO)能量，並以熱示差掃瞄卡計(DSC)分析出材料之熱性質，以原子力顯微鏡(AFM)觀察其表面型態。第三部分使用上述合成的光電材料應用於高分子本體異質結太陽能電池元件，並進行光電轉換效率的量測，得到下述結果：1. 以 ITO/PEDOT:PSS/P1 或P2:PCBM/Al 為元件構造，以紫外-可見光光譜、螢光光譜、原子力顯微鏡(AFM)觀察活化層在不同退火溫度及時間下之特徵及相分離型態，並量測其元件光電轉換效率和外部量子效率，發現當P1:PCBM 退火條件為175℃, 302min 時，有最高光電轉換效率0.525 %和外部量子效率22%(480nm 處)；P2 退火條件為175℃, 30min 時，有最佳的效率值0.524%和外部量子效率16%(475nm 處)。 The main purpose of this research is to design a series of low band gap electron donormaterials for the active layer of solar cells, which have been prepared from thedonor-acceptor alternating type conjugated polymers. These conjugated copolymers havebeen blended with PCBM to form the active layer. Solar cells composed of the newlydeveloped active layer have been compared with those based on BHJ of P3HT and PCBM forpower conversion efficiencies.Our study was divided into three parts. The first part was to synthesize the materials ofconstituted layers including (1) active layer: PDDTBT、PDTPF (P1~P2). All synthesizedoptoelectronic materials were confirmed with FTIR, 1H NMR and 13C NMR analyses.Molecular weights and polydispersity indices were obtained by GPC. Optical propertieswere observed with UV-Vis and PL. On the other hand, by the combination of bandgapvalues from UV-Vis spectroscopies with the oxidation-reduction potential values from cyclicvoltammetry, HOMO and LUMO values of all optoelectronic materials could be estimated.In addition, thermal properties of all synthesized materials were analyzed with DSC.The third part was the application of all of the synthesized materials in the constitutedlayers of polymer bulk heterojunction solar cells and the measurements of power conversionefficiency and external quantum efficiency. The results are as follows:Based on the ITO/PEDOT:PSS/P1 or P2:PCBM/Al device structure, the morphologies ofphase separation in the active layer under different thermal annealing conditions wereinvestigated and observed by UV-Vis, PL, AFM. After measuring PCE values, P1 wasconcluded that the highest PCE 0.525% and EQE 22% (at 480nm) of devices based on P1could be acquired under the annealing condition at 175℃ for 30 mins；the highest PCE0.524% and EQE 16% (at 475nm) of devices based on P2 could be acquired under theannealing condition at 175℃ for 30 mins.
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