지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수15
2021
1. Introduction 12. Theory 42.1. Organic solar cells 42.2. Working principle of organic solar cells 62.2.1. Light absorption 62.2.2. Exciton diffusion 72.2.3. Excition dissociation 72.2.4. Charge transport and collection 72.3. Conversion efficiency of organic solar cells parameters 92.3.1. Open-circuit voltage (Voc) 102.3.2. Short-circuit current density (Jsc) 102.3.3. Fill factor (FF) 102.3.4. Power conversion efficiency (PCE) 112.4. Materials of organic solar cells 122.5. Perovskite solar cells. 142.5.1. Background of perovskite 142.5.2. Working principle of perovskite solar cells 152.5.3. Device architectures of perovskite solar cells 163. Experimental 173.1. Materials and instruments 173.2. Synthetic route of donor materials 183.2.1. Synthesis of 1-bromo-4-((2-hexyldecyl)oxy)naphthalene (1) 183.2.2. Synthesis of 2-(4-((2-hexyldecyl)oxy)naphthalene-1-yl)thiophene (2) 183.2.3. Synthesis of 4,8-bis(5-(4-((2-hexyldecyl)oxy)naphthalene-1-yl)thiophene-2-yl)benzo[1, 2-b:4,5-b'']dithiophene (3) 193.2.4. Synthesis of (4,8-bis(5-(4-((2-hexyldecyl)oxy)naphthalen-1-yl)thiophen-2-yl)benzo[1,2-b:4,5-b'']dithiophene-2,6-diyl)bis(trimethylstannane) (Nap2) 193.3. Synthetic route of acceptor materials 223.3.1. Synthesis of 5,6-difluoro-1H-benzo[d][1,2,3]triazole (1) 223.3.2. Synthesis of 5,6-difluoro-2-(hex-5-en-1-yl)-2H-benzo[d][1,2,3]triazole (2) 223.3.3. Synthesis of 5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)he xyl)-2H-benzo[d][1,2,3]triazole (3) 233.3.4. Synthesis of 5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)he xyl)-4,7-bis(trimethylsilyl)-2H-benzo[d][1,2,3]triazole (4) 233.3.5. Synthesis of 4,7-dibromo-5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisil oxan-3-yl) hexyl)-2H-benzo[d][1,2,3]triazole (5) 243.3.6. Synthesis of tributyl(6-undecylthieno[3,2-b]thiophene-2-yl)stannane (5a) 243.3.7. Synthesis of tributyl(thieno[3,2-b]thiophene-2-yl)stannane (5b) 243.3.8. Synthesis of 5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)he xyl)-4,7-bis(6-undecylthieno[3,2-b]thiophen-2-yl)-2H-benzo[d][1,2,3]triazole (6a) 253.3.9. Synthesis of 5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)he xyl)-4,7-bis(thieno[3,2-b]thiophen-2-yl)-2H-benzo[d][1,2,3]triazole (6b) 253.3.10. Synthesis of 4,7-bis(5-bromo-6-undecylthieno[3,2-b]thiophen-2-yl)-5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)hexyl)-2H-benzo[d][1,2,3]triazole (SiBTA1) 263.3.11. Synthesis of 4,7-bis(5-bromothieno[3,2-b]thiophen-2-yl)-5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)hexyl)-2H-benzo[d][1,2,3]triazole (SiBTA2) 263.4. General polymerization procedure for Nap-SiBTA1, Nap-SiBTA2, Nap2-SiBTA2 293.4.1. Synthesis of Poly[4-(5-(4,8-bis(5-(6-((2-hexyldecyl)oxy)naphthalen-2-yl)thiophen-2-yl)benzo[1,2-b:4,5-b'']dithiophen-2-yl)-6-undecylthieno[3,2-b]thiophen-2-yl)-5,6-difluoro-2-(6-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)hexyl)-7-(6-undecylthieno[3,2-b]thiophen-2-yl)-2H-benzo[d][1,2,3]triazole] (Nap-SiBTA1) 303.4.2. Synthesis of Poly[4-(5-(4,8-bis(5-(6-((2-hexyldecyl)oxy)naphthalen-2-yl)thiophen-2-yl)benzo[1,2-b:4,5-b'']dithiophen-2-yl)thieno[3,2-b]thiophen-2-yl)-5,6-difluoro-2-(6-(1,1,1, 3,5,5,5-heptamethyltrisiloxan-3-yl)hexyl)-7-(thieno[3,2-b]thiophen-2-yl)-2H-benzo[d][1,2,3] triazole] (Nap-SiBTA2) 303.4.3. Synthesis of Poly[4-(5-(4,8-bis(5-(4-((2-hexyldecyl)oxy)naphthalen-1-yl)thiophen-2-yl)benzo[1,2-b:4,5-b'']dithiophen-2-yl)thieno[3,2-b]thiophen-2-yl)-5,6-difluoro-2-(6-(1,1, 1, 3,5,5,5-heptamethyltrisiloxan-3-yl)hexyl)-7-(thieno[3,2-b]thiophen-2-yl)-2H-benzo[d][1, 2, 3]triazole] (Nap2-SiBTA2) 313.5. Fabrication of organic solar cells 333.6. Fabrication of perovskite solar cells 353.7. Measurements and characterization of the solar cells 374. Results and Discussion 384.1. Synthesis and characterization 384.2. Thermal properties 464.3. Optical properties 484.4. Electrochemical properties 524.5. Photovoltaic properties of organic solar cells 554.6. Hole and electron mobility studies 594.7. Surface morphology of organic solar cells 624.8. Contact angle studies 644.9. Charge transporting properties of perovskite solar cells 664.10. Photovoltaic performances of perovskite solar cells 675. Conclusion 73Reference 74요약 78
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