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Polymeric hole-transport materials with side-chain redox-active groups for perovskite solar cells with good reproducibility†
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2018-10-03 00:00:00 , DOI: 10.1039/c8cp04162h Rosinda Fuentes Pineda 1, 2, 3, 4, 5 , Benjamin R. M. Lake 1, 2, 3, 4, 5 , Joel Troughton 5, 6, 7, 8 , Irene Sanchez-Molina 5, 9, 10, 11 , Oleg Chepelin 1, 2, 3, 4, 5 , Saif Haque 5, 9, 10, 11 , Trystan Watson 5, 6, 7, 8 , Michael P. Shaver 1, 2, 3, 4, 5 , Neil Robertson 1, 2, 3, 4, 5
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2018-10-03 00:00:00 , DOI: 10.1039/c8cp04162h Rosinda Fuentes Pineda 1, 2, 3, 4, 5 , Benjamin R. M. Lake 1, 2, 3, 4, 5 , Joel Troughton 5, 6, 7, 8 , Irene Sanchez-Molina 5, 9, 10, 11 , Oleg Chepelin 1, 2, 3, 4, 5 , Saif Haque 5, 9, 10, 11 , Trystan Watson 5, 6, 7, 8 , Michael P. Shaver 1, 2, 3, 4, 5 , Neil Robertson 1, 2, 3, 4, 5
Affiliation
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Two monomers, M:OO and M:ON, and their corresponding polymers, P:OO and P:ON, were prepared from styrene derivatives N,N-diphenyl-4-vinyl-aniline with different substituents (–OCH3 and –N(CH3)2) in the N-phenyl para positions. The polymers were synthesised and fully characterised to study their function as hole transport materials (HTMs) in perovskite solar cells (PSCs). The thermal, optical and electrochemical properties and performance of these monomers and polymers as HTMs in PSCs were compared in terms of their structure. The polymers form more stable amorphous glassy states and showed higher thermal stability than the monomers. The different substituent in the para position influenced the highest occupied molecular orbital (HOMO) level, altering the oxidation potential. Both monomers and polymers were employed as HTMs in perovskite solar cells with a device configuration FTO/bl-TiO2/mp-TiO2/CH3NH3PbI3/HTM/Au resulting in power conversion efficiencies of 7.48% for M:OO, 5.14% for P:OO, 5.28% for P:ON and 3.52% for M:ON. Although showing comparatively low efficiencies, the polymers showed much superior reproducibility in comparison with Spiro-OMeTAD or the monomers, suggesting further optimisation of polymeric HTMs with redox side groups is warranted.
中文翻译：
具有侧链氧化还原活性基团的聚合物空穴传输材料，用于钙钛矿型太阳能电池，具有良好的重现性†
由具有不同取代基的苯乙烯衍生物N，N -N-二苯基-4-乙烯基苯胺（–OCH 3和–N （CH 3）2）在N-苯基对位职位。合成并充分表征了聚合物，以研究它们在钙钛矿太阳能电池（PSC）中作为空穴传输材料（HTM）的功能。比较了这些单体和聚合物在PSC中作为HTM的热，光学和电化学性能以及性能，并对其结构进行了比较。所述聚合物形成比单体更稳定的非晶态玻璃态并显示出更高的热稳定性。在不同的取代基对位位置的影响的最高占据分子轨道（HOMO）水平，改变氧化电位。钙钛矿型太阳能电池中的单体和聚合物均用作HTM，其装置配置为FTO / bl-TiO 2 / mp-TiO 2 / CH 3 NH 3 PbI 3/ HTM / Au导致M：OO的功率转换效率为7.48％，P：OO的功率转换效率为5.14％，P：ON的功率转换效率为5.28％，M：ON的功率转换效率为3.52％。尽管显示出相对较低的效率，但与Spiro-OMeTAD或单体相比，该聚合物显示出更高的重现性，这表明需要进一步优化具有氧化还原侧基的聚合物HTM。
更新日期：2018-10-03
中文翻译：
具有侧链氧化还原活性基团的聚合物空穴传输材料，用于钙钛矿型太阳能电池，具有良好的重现性†
由具有不同取代基的苯乙烯衍生物N，N -N-二苯基-4-乙烯基苯胺（–OCH 3和–N （CH 3）2）在N-苯基对位职位。合成并充分表征了聚合物，以研究它们在钙钛矿太阳能电池（PSC）中作为空穴传输材料（HTM）的功能。比较了这些单体和聚合物在PSC中作为HTM的热，光学和电化学性能以及性能，并对其结构进行了比较。所述聚合物形成比单体更稳定的非晶态玻璃态并显示出更高的热稳定性。在不同的取代基对位位置的影响的最高占据分子轨道（HOMO）水平，改变氧化电位。钙钛矿型太阳能电池中的单体和聚合物均用作HTM，其装置配置为FTO / bl-TiO 2 / mp-TiO 2 / CH 3 NH 3 PbI 3/ HTM / Au导致M：OO的功率转换效率为7.48％，P：OO的功率转换效率为5.14％，P：ON的功率转换效率为5.28％，M：ON的功率转换效率为3.52％。尽管显示出相对较低的效率，但与Spiro-OMeTAD或单体相比，该聚合物显示出更高的重现性，这表明需要进一步优化具有氧化还原侧基的聚合物HTM。
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