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Dye Engineered Perovskite Solar Cells under Accelerated Thermal Stress and Prolonged Light Exposure
Author(s) -
Zaky Alaa A.,
Balis Nikolaos,
Gkini Konstantina,
Athanasekou Chrysoula,
Kaltzoglou Andreas,
Stergiopoulos Thomas,
Falaras Polycarpos
Publication year - 2020
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.202000771
Subject(s) - triphenylamine , materials science , perovskite (structure) , energy conversion efficiency , thermal stability , sensitization , layer (electronics) , photochemistry , chemical engineering , optoelectronics , nanotechnology , chemistry , engineering , immunology , biology
Herein, the thermal and light stability enhancement of planar perovskite solar cells (PSCs) based on the approach of dye‐sensitization of the titania compact layer with the triphenylamine‐based metal‐free organic (E)‐3‐(5‐(4‐(bis(2′,4′‐dibutoxy‐[1,1′‐biphenyl]‐4‐yl) amino) phenyl) thiophen‐2‐yl)‐2‐cyanoacrylic acid (D35) dye is reported. The D35 molecule is chemically adsorbed via a bidentate anchor group upon the TiO 2 underlayer. This enhances the power conversion efficiency of PSCs due to its well‐established versatile role, offering facilitation of electron charge transfer to the anode while favoring the growth of robust and homogenous perovskite layers. However, its influence in the PSC performance seems to expand further. The stability experiments showed an enhanced endurance for the devices after the insertion of D35, not only in shelf‐shield conditions but also after accelerated thermal tests and prolonged light exposure. This study confirms the plethoric role of dye sensitization strategy and its advantages to interfacial engineering via organic chromophores towards efficient and stable PSCs.