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Selected Electrochemical Properties of 4,4'-((1E,1'E)-((1,2,4-Thiadiazole-3,5-diyl)bis(azaneylylidene))bis(methaneylylidene))bis(N,N-di-p-tolylaniline) towards Perovskite Solar Cells with 14.4% Efficiency.

ABSTRACT: Planar perovskite solar cells were fabricated on F-doped SnO2 (FTO) coated glass substrates, with 4,4'-((1E,1'E)-((1,2,4-thiadiazole-3,5-diyl)bis(azaneylylidene))bis(methaneylylidene))bis(N,N-di-p-tolylaniline) (bTAThDaz) as hole transport material. This imine was synthesized in one step reaction, starting from commercially available and relatively inexpensive reagents. Electrochemical, optical, electrical, thermal and structural studies including thermal images and current-voltage measurements of the full solar cell devices characterize the imine in details. HOMO-LUMO of bTAThDaz were investigated by cyclic voltammetry (CV) and energy-resolved electrochemical impedance spectroscopy (ER-EIS) and were found at -5.19 eV and -2.52 eV (CV) and at -5.5 eV and -2.3 eV (ER-EIS). The imine exhibited 5% weight loss at 156 °C. The electrical behavior and photovoltaic performance of the perovskite solar cell was examined for FTO/TiO2/perovskite/bTAThDaz/Ag device architecture. Constructed devices exhibited good time and air stability together with quite small effect of hysteresis. The observed solar conversion efficiency was 14.4%.

SUBMITTER: Bogdanowicz KA 

PROVIDER: S-EPMC7321367 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Selected Electrochemical Properties of 4,4'-((1E,1'E)-((1,2,4-Thiadiazole-3,5-diyl)bis(azaneylylidene))bis(methaneylylidene))bis(<i>N</i>,<i>N</i>-di-p-tolylaniline) towards Perovskite Solar Cells with 14.4% Efficiency.

Bogdanowicz Krzysztof Artur KA   Jewłoszewicz Beata B   Iwan Agnieszka A   Dysz Karolina K   Przybyl Wojciech W   Januszko Adam A   Marzec Monika M   Cichy Kacper K   Świerczek Konrad K   Kavan Ladislav L   Zukalová Markéta M   Nadazdy Vojtech V   Subair Riyas R   Majkova Eva E   Micusik Matej M   Omastova Maria M   Özeren Mehmer Derya MD   Kamarás Katalin K   Heo Do Yeon DY   Kim Soo Young SY  

Materials (Basel, Switzerland) 20200527 11

Planar perovskite solar cells were fabricated on F-doped SnO<sub>2</sub> (FTO) coated glass substrates, with 4,4'-((1E,1'E)-((1,2,4-thiadiazole-3,5-diyl)bis(azaneylylidene))bis(methaneylylidene))bis(<i>N</i>,<i>N</i>-di-p-tolylaniline) (bTAThDaz) as hole transport material. This imine was synthesized in one step reaction, starting from commercially available and relatively inexpensive reagents. Electrochemical, optical, electrical, thermal and structural studies including thermal images and curr  ...[more]

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