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21.
Marta Reig Cristian Gozálvez Dr. Vygintas Jankauskas Dr. Valentas Gaidelis Dr. Juozas V. Grazulevicius Dr. Lluís Fajarí Dr. Luis Juliá Dr. Dolores Velasco 《Chemistry (Weinheim an der Bergstrasse, Germany)》2016,22(51):18551-18558
A series of neutral long‐lived purely organic radicals based on the stable [4‐(N‐carbazolyl)‐2,6‐dichlorophenyl]bis(2,4,6‐trichlorophenyl)methyl radical adduct (Cbz‐TTM) is reported herein. All compounds exhibit ambipolar charge‐transport properties under ambient conditions owing to their radical character. High electron and hole mobilities up to 10?2 and 10?3 cm2 V?1 s?1, respectively, were achieved. Xerographic single‐layered photoreceptors were fabricated from the radicals studied herein, exhibiting good xerographic photosensitivity across the visible spectrum. 相似文献
22.
Vida Peciuraite Violeta Vaitkeviciene Saulius Grigalevicius Juozas V. Grazulevicius Vygintas Jankauskas 《Monatshefte für Chemie / Chemical Monthly》2006,18(4):1053-1062
Star-shaped molecules of di(9-alkylcarbazol-3-yl)arylamines were synthesized and found to constitute new glass-forming materials
with glass transition temperatures ranging from 40 to 147°C. The electron photoemission spectra of the molecular glasses were
recorded and ionisation potentials of 4.9–5.0 eV were established. Room temperature time of flight hole drift mobilities of
the di(9-alkylcarbazol-3-yl)phenylamines molecularly dispersed in polycarbonate-Z approached 5 · 10−6 cm2/Vs at high electric fields. Some of the compounds were converted to cross-linkable derivatives, which are potential components
for insoluble charge transport layers. 相似文献
23.
Vida Peciuraite Violeta Vaitkeviciene Saulius Grigalevicius Juozas V. Grazulevicius Vygintas Jankauskas 《Monatshefte für Chemie / Chemical Monthly》2006,137(8):1053-1062
Summary. Star-shaped molecules of di(9-alkylcarbazol-3-yl)arylamines were synthesized and found to constitute new glass-forming materials
with glass transition temperatures ranging from 40 to 147°C. The electron photoemission spectra of the molecular glasses were
recorded and ionisation potentials of 4.9–5.0 eV were established. Room temperature time of flight hole drift mobilities of
the di(9-alkylcarbazol-3-yl)phenylamines molecularly dispersed in polycarbonate-Z approached 5 · 10−6 cm2/Vs at high electric fields. Some of the compounds were converted to cross-linkable derivatives, which are potential components
for insoluble charge transport layers. 相似文献
24.
Asta Michaleviciute Jolita Ostrauskaite Gintaras Buika Juozas Vidas Grazulevicius Vygintas Jankauskas Francois Tran Van Claude Chevrot 《Monatshefte für Chemie / Chemical Monthly》2008,139(9):1011-1017
The synthesis, optical, thermal, and photoelectrical properties of new thiophene-based hydrazones are reported. The ionization
potentials of the films of thiophene-based hydrazones, measured by the electron photoemission technique, range from 4.99 to
5.58 eV. Hole-drift mobilities in the solid solutions in bisphenol-Z polycarbonate (PC-Z) of the synthesized hydrazones were studied by time of flight technique. Room temperature charge mobilities in the solid
solution of 5,2″-diformyl-2,2′:5′,5″-terthiophene di(N,N-diphenylhydrazone) in PC-Z exceeded 10−5 cm2/Vs at high applied electric fields.
Correspondence: Juozas Vidas Grazulevicius, Department of Organic Technology, Kaunas University of Technology, Radvilenu pl.
19, LT-50254 Kaunas, Lithuania. 相似文献
25.
Highly Efficient Perovskite Solar Cells Employing an Easily Attainable Bifluorenylidene‐Based Hole‐Transporting Material
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Kasparas Rakstys Dr. Michael Saliba Dr. Peng Gao Paul Gratia Egidijus Kamarauskas Dr. Sanghyun Paek Dr. Vygintas Jankauskas Prof. Dr. Mohammad Khaja Nazeeruddin 《Angewandte Chemie (International ed. in English)》2016,55(26):7464-7468
The 4,4′‐dimethoxydiphenylamine‐substituted 9,9′‐bifluorenylidene ( KR216 ) hole transporting material has been synthesized using a straightforward two‐step procedure from commercially available and inexpensive starting reagents, mimicking the synthetically challenging 9,9′‐spirobifluorene moiety of the well‐studied spiro‐OMeTAD. A power conversion efficiency of 17.8 % has been reached employing a novel HTM in a perovskite solar cells. 相似文献
26.
Synthesis and Investigation of the V‐shaped Tröger′s Base Derivatives as Hole‐transporting Materials
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Titas Braukyla Dr. Nobuya Sakai Dr. Maryte Daskeviciene Dr. Vygintas Jankauskas Egidijus Kamarauskas Dr. Tadas Malinauskas Prof. Henry J. Snaith Prof. Vytautas Getautis 《化学:亚洲杂志》2016,11(14):2049-2056
V‐shaped Tröger′s base core has been investigated as a central linking unit in the synthesis of new charge‐transporting materials for optoelectronic applications. The studied molecules have been synthesized in two steps from relatively inexpensive starting materials, and demonstrate high glass transition temperatures, good stability of the amorphous state, and comparatively high hole drift mobility (up to 0.011 cm2 V?1 s?1). 相似文献
27.
Vytautas Getautis Albina Stanisauskaite Tadas Malinauskas Jolanta Stumbraite Valentas Gaidelis Vygintas Jankauskas 《Monatshefte für Chemie / Chemical Monthly》2006,137(11):1401-1409
Summary. Hydrazones containing 1-phenyl-1,2,3,4-tetrahydroquinoline units were synthesized starting from diphenylamine. These compounds
were found to constitute novel hole transporting materials and were characterized by the time of flight method. The hole drift
mobility in these compounds exceeds 10−6 cm2 V−1 s−1 at an electric field of 106 V cm−1. 相似文献