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1. Inside Back Cover: Additive-Free Transparent Triarylamine-Based Polymeric Hole-Transport Materials for Stable Perovskite Solar Cells (ChemSusChem 18/2016)

Author

Matsui, Taisuke, primary, Petrikyte, Ieva, additional, Malinauskas, Tadas, additional, Domanski, Konrad, additional, Daskeviciene, Maryte, additional, Steponaitis, Matas, additional, Gratia, Paul, additional, Tress, Wolfgang, additional, Correa-Baena, Juan-Pablo, additional, Abate, Antonio, additional, Hagfeldt, Anders, additional, Grätzel, Michael, additional, Nazeeruddin, Mohammad Khaja, additional, Getautis, Vytautas, additional, and Saliba, Michael, additional

Published
2016
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2. Additive‐Free Transparent Triarylamine‐Based Polymeric Hole‐Transport Materials for Stable Perovskite Solar Cells

Author

Matsui, Taisuke, primary, Petrikyte, Ieva, additional, Malinauskas, Tadas, additional, Domanski, Konrad, additional, Daskeviciene, Maryte, additional, Steponaitis, Matas, additional, Gratia, Paul, additional, Tress, Wolfgang, additional, Correa‐Baena, Juan‐Pablo, additional, Abate, Antonio, additional, Hagfeldt, Anders, additional, Grätzel, Michael, additional, Nazeeruddin, Mohammad Khaja, additional, Getautis, Vytautas, additional, and Saliba, Michael, additional

Published
2016
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4. Phenylethenyl‐Substituted Triphenylamines: Efficient, Easily Obtainable, and Inexpensive Hole‐Transporting Materials

Author

Malinauskas, Tadas, primary, Daskeviciene, Maryte, additional, Bubniene, Giedre, additional, Petrikyte, Ieva, additional, Raisys, Steponas, additional, Kazlauskas, Karolis, additional, Gaidelis, Valentas, additional, Jankauskas, Vygintas, additional, Maldzius, Robertas, additional, Jursenas, Saulius, additional, and Getautis, Vytautas, additional

Published
2013
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5. Efficiency enhancement of perovskite solar cells via incorporation of phenylethenyl side arms into indolocarbazole-based hole transporting materials

Author

Petrikyte, Ieva, Zimmermann, Iwan, Rakstys, Kasparas, Daskeviciene, Maryte, Malinauskas, Tadas, Jankauskas, Vygintas, Getautis, Vytautas, and Nazeeruddin, Mohammad Khaja

Subjects
PHOTOVOLTAIC CELLS, HIGH-MOBILITY, TRIINDOLES, STABILITY, DESIGN, DERIVATIVES, THIN-FILM TRANSISTORS, CORE, HYSTERESIS, TRIAZATRUXENE
Abstract

Small-molecule hole transporting materials based on an indolocar-bazole core were synthesized and incorporated into perovskite solar cells, which displayed a power conversion efficiency up to 15.24%. The investigated hole transporting materials were synthesized in three steps from commercially available and relatively inexpensive starting materials without using expensive catalysts. Various electro-optical measurements (UV-vis, CV, hole mobility, DSC, TGA, ionization potential) have been carried out to characterize the new hole transporting materials.

6. Phenylethenyl-substituted triphenylamines: efficient, easily obtainable, and inexpensive hole-transporting materials.

Author

Malinauskas T, Daskeviciene M, Bubniene G, Petrikyte I, Raisys S, Kazlauskas K, Gaidelis V, Jankauskas V, Maldzius R, Jursenas S, and Getautis V

Abstract

Star-shaped charge-transporting materials with a triphenylamine (TPA) core and various phenylethenyl side arm(s) were obtained in a one-step synthetic procedure from commercially available and relatively inexpensive starting materials. Crystallinity, glass-transition temperature, size of the π-conjugated system, energy levels, and the way molecules pack in the solid state can be significantly influenced by variation of the structure of these side arm(s). An increase in the number of phenylethenyl side arms was found to hinder intramolecular motions of the TPA core, and thereby provide significant enhancement of the fluorescence quantum yield of the TPA derivatives in solution. On the other hand, a larger number of side arms facilitated exciton migration through the dense side-arm network formed in the solid state and, thus, considerably reduces fluorescence efficiency by migration-assisted nonradiative relaxation. This dense network enables charges to move more rapidly through the hole-transport material layer, which results in very good charge drift mobility (μ up to 0.017 cm(2) V (-1) s(-1))., (Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)

Published
2013
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