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含菲基─咪唑分子之接枝式共軛高分子的合成及其有機光伏電池應用 = Syn...

國立高雄大學化學工程及材料工程學系碩士班

含菲基─咪唑分子之接枝式共軛高分子的合成及其有機光伏電池應用 = Synthesis of Grafted Conjugated Polymer with Pendant Phenanthrenyl-Imidazole Moieties for Organic Photovoltaic Cell Applications

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Synthesis of Grafted Conjugated Polymer with Pendant Phenanthrenyl-Imidazole Moieties for Organic Photovoltaic Cell Applications
作者:	陳雅君,
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:	2012[民101]
面頁冊數:	102面圖，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/00078567901395909663
附註:	參考書目：面72-78
附註:	含附錄
其他題名:	含菲基咪唑分子之接枝式共軛高分子的合成及其有機光伏電池應用
摘要註:	造成高分子有機太陽能電池光電轉換效率低的一項重要限制因素是由於活性層的吸收光譜範圍與太陽光發射範圍未能配合，因此為得到低能隙給體材料，發展一個吸收範圍廣的共軛高分子極為重要。本論文主要目的在於設計具有低能隙 (low band gap)之活性層電子給體 (electron donor)材料，以菲基-咪唑 (phenanthrenyl-imidazle)衍生物為受體側鏈之接枝式共軛高分子給體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)混摻做為活性層製成太陽能電池，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。最後探討以不同的製程參數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: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：活性層 (ative layer)材料。第二部分利用紅外線光譜分析（FT-IR）、核磁共振光譜（1H-NMR）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。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。以ITO/PEDOT:PSS/PDTDPI:PCBM/Al為元件構造，以紫外-可見光光譜、螢光光譜及原子力顯微鏡觀察活性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，發現當PDTDPI:PCBM退火條件為125℃, 30 min時，有最高光電轉換效率0.003 %和外部量子效率5.25 % (300nm)。 The mismatch between absorption spectra of the conjugated polymers and the solar spectrum is one of the main reasons for the low power conversion efficiencies (PCEs) of polymer solar cells (PSCs). Development of new broad absorption conjugated polymers becomes extremely important to acquire low bandgap donor materials. One of the approaches is to tune the energy levels of the conjugated copolymers by grafting coplanar pendant chains of the acceptor type on the main chains of the donor type to form the graft copolymers. The coplanarity of the acceptor units will increase the charge mobility of the conjugated polymers. The main purpose of this research is to synthesize conjugated copolymers of the above-mentioned type. Solar cells comprised of the newly developed donor materials were blended with phenyl-C61-butyric acid methyl ester (PCBM) as the active layers and compared with those bulk heterojunction (BHJ) PSCs based on P3HT:PCBM for power conversion efficiencies. Our study was divided into three parts. The first part was to synthesize the donor materials of type: PDTDPI. Subsequently, all synthesized optoelectronic materials were confirmed with FTIR and NMR analyses. Molecular weights and polydispersity indices were obtained by GPC. Optical properties were observed with UV-vis and Photoiuminescence (PL) spectra. On the other hand, by the combination of bandgap values from UV-vis spectroscopies with the oxidation-reduction potential values from cyclic voltammetry, HOMO and LUMO values of all optoelectronic materials could be estimated. In addition, thermal properties of all synthesized materials were analyzed with Thermogravimetric (TGA) and Differential Scanning Calorimetry (DSC).The third part was the application of all of the synthesized materials in the active layers of polymer BHJ solar cells and the measurements of power conversion efficiency. The results are as follows:Based on the ITO/PEDOT:PSS/PDTDPI:PC61BM/Al device structure, the power conversion efficiency (PCE) under the illumination of AM 1.5 (100 mW/cm2) was 2.605E-4%, respectively. In addition, the morphologies of phase separation in the active layer under different thermal annealing conditions were investigated and observed by UV-vis, PL, AFM. After measuring PCE values, it was concluded that the highest PCE 0.003 % and EQE 5.25 % (at 300 nm) of devices based on PDTDPI could be acquired under the annealing condition at 125℃ for 30 mins.

含菲基─咪唑分子之接枝式共軛高分子的合成及其有機光伏電池應用 = Synthesis of Grafted Conjugated Polymer with Pendant Phenanthrenyl-Imidazole Moieties for Organic Photovoltaic Cell Applications
陳, 雅君

含菲基─咪唑分子之接枝式共軛高分子的合成及其有機光伏電池應用 = Synthesis of Grafted Conjugated Polymer with Pendant Phenanthrenyl-Imidazole Moieties for Organic Photovoltaic Cell Applications / 陳雅君撰 - [高雄市] : 撰者, 2012[民101]. - 102面 ; 圖，表格 ; 30公分.
參考書目：面72-78含附錄.
太陽能電池solar cell

含菲基─咪唑分子之接枝式共軛高分子的合成及其有機光伏電池應用 = Synthesis of Grafted Conjugated Polymer with Pendant Phenanthrenyl-Imidazole Moieties for Organic Photovoltaic Cell Applications
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330 $a 造成高分子有機太陽能電池光電轉換效率低的一項重要限制因素是由於活性層的吸收光譜範圍與太陽光發射範圍未能配合，因此為得到低能隙給體材料，發展一個吸收範圍廣的共軛高分子極為重要。本論文主要目的在於設計具有低能隙 (low band gap)之活性層電子給體 (electron donor)材料，以菲基-咪唑 (phenanthrenyl-imidazle)衍生物為受體側鏈之接枝式共軛高分子給體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)混摻做為活性層製成太陽能電池，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。最後探討以不同的製程參數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: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：活性層 (ative layer)材料。第二部分利用紅外線光譜分析（FT-IR）、核磁共振光譜（1H-NMR）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。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。以ITO/PEDOT:PSS/PDTDPI:PCBM/Al為元件構造，以紫外-可見光光譜、螢光光譜及原子力顯微鏡觀察活性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，發現當PDTDPI:PCBM退火條件為125℃, 30 min時，有最高光電轉換效率0.003 %和外部量子效率5.25 % (300nm)。 The mismatch between absorption spectra of the conjugated polymers and the solar spectrum is one of the main reasons for the low power conversion efficiencies (PCEs) of polymer solar cells (PSCs). Development of new broad absorption conjugated polymers becomes extremely important to acquire low bandgap donor materials. One of the approaches is to tune the energy levels of the conjugated copolymers by grafting coplanar pendant chains of the acceptor type on the main chains of the donor type to form the graft copolymers. The coplanarity of the acceptor units will increase the charge mobility of the conjugated polymers. The main purpose of this research is to synthesize conjugated copolymers of the above-mentioned type. Solar cells comprised of the newly developed donor materials were blended with phenyl-C61-butyric acid methyl ester (PCBM) as the active layers and compared with those bulk heterojunction (BHJ) PSCs based on P3HT:PCBM for power conversion efficiencies. Our study was divided into three parts. The first part was to synthesize the donor materials of type: PDTDPI. Subsequently, all synthesized optoelectronic materials were confirmed with FTIR and NMR analyses. Molecular weights and polydispersity indices were obtained by GPC. Optical properties were observed with UV-vis and Photoiuminescence (PL) spectra. On the other hand, by the combination of bandgap values from UV-vis spectroscopies with the oxidation-reduction potential values from cyclic voltammetry, HOMO and LUMO values of all optoelectronic materials could be estimated. In addition, thermal properties of all synthesized materials were analyzed with Thermogravimetric (TGA) and Differential Scanning Calorimetry (DSC).The third part was the application of all of the synthesized materials in the active layers of polymer BHJ solar cells and the measurements of power conversion efficiency. The results are as follows:Based on the ITO/PEDOT:PSS/PDTDPI:PC61BM/Al device structure, the power conversion efficiency (PCE) under the illumination of AM 1.5 (100 mW/cm2) was 2.605E-4%, respectively. In addition, the morphologies of phase separation in the active layer under different thermal annealing conditions were investigated and observed by UV-vis, PL, AFM. After measuring PCE values, it was concluded that the highest PCE 0.003 % and EQE 5.25 % (at 300 nm) of devices based on PDTDPI could be acquired under the annealing condition at 125℃ for 30 mins.
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