Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Chung-Wen Ko"'
Autor:
Hebing Nie, Manohar Reddy Busireddy, Hung-Min Shih, Chung-Wen Ko, Jiun-Tai Chen, Chia-Chih Chang, Chain-Shu Hsu
Publikováno v:
ACS Applied Materials & Interfaces. 15:1718-1725
Developing new electron transport layers has been an effective way to fabricate high-performance bulk-heterojunction organic solar cells (OSCs). Resolving the longstanding problems associated with commonly used zinc oxide (ZnO), such as electron trap
Autor:
Yi-Jia Su, Hebing Nie, Chun-Feng Chang, Sheng-Ci Huang, Yi-Hsuan Huang, Tsung-Wei Chen, Kuo-Kai Hsu, Tzu-Yuan Lee, Hung-Min Shih, Chung-Wen Ko, Jiun-Tai Chen, Chain-Shu Hsu
Publikováno v:
ACS applied materialsinterfaces. 13(49)
In this work, two asymmetric non-fullerene acceptors (NFAs), BTP-EHBO-4F and BTP-PHD-4F, are designed to be applied in green-solvent-processable organic photovoltaics (OPVs). BTP-EHBO-4F and BTP-PHD-4F show good solubilities in green solvent
Publikováno v:
Thin Solid Films. 498:244-248
A prototypical organic light-emitting diode (OLED), anode/organic layers/cathode, is investigated via bias-dependent capacitance measurement of two-layer (HTL/ETL) and four-layer (HIL/HTL/EML/ETL) structure at low frequency. As applied voltage was la
Publikováno v:
Chemistry of Materials. 14:1884-1890
Amorphous 2,3-disubstituted thiophenes and 2,3,5-trisubstituted thiophenes which contain two and four peripheral triarylamine moieties, respectively, have been synthesized and characterized. The compounds are weakly to moderately fluorescent with a l
Publikováno v:
Chemistry of Materials. 14:1354-1361
A series of 3,6-disubstituted carbazole and 1,3,5-trisubstituted benzene derivatives incorporating thienyl aromatic (phenyl, fluorenyl, and carbazolyl) conjugation and end-capped diphenylamine were synthesized by iterative C−N and C−C coupling pr
Autor:
Yu-Tai Tao, Chung-Wen Ko
Publikováno v:
Synthetic Metals. 126:37-41
A promising fluorene derivative 9,9-bis{4-[di-( p -biphenyl)aminophenyl]}fluorene (BPAPF) of high glass-transition temperature ( T g =167 °C) was synthesized and assessed as the hole-transporting material (HTM) in electroluminescent devices. Devices
Publikováno v:
Chemistry of Materials. 14:357-361
Efficient green-emitting OLEDs were fabricated by using the carbazole derivative 9-ethyl-N,N‘-diphenyl-N,N‘-dipyren-1-yl-9H-carbazole-3,6-diamine (C-Et) as a dopant in different layers in a multilayered structure. Depending on the energy levels o
Publikováno v:
Journal of Materials Chemistry. 12:42-46
Three derivatives of 2-anilino-5-phenylpenta-2,4-dienenitrile, i.e.1–3, were assessed as the emitting materials in organic electroluminescent devices. A single hetero-junction device was fabricated using 2 (or 3) as the emitter, which was doped 3%
Publikováno v:
Chemistry of Materials. 13:2626-2631
Star-shaped compounds containing a triphenylamine as the central core and three diphenylthienylamines (NAr1Ar2(th): 3a, Ar1 = Ar2 = Ph; 3b, Ar1 = Ph and Ar2 = 3-tolyl; 3c, Ar1 = Ph and Ar2 = 1-naphthyl; 3d, NAr1Ar2 = carbazolyl) as the peripheral fun
Autor:
Chung-Wen Ko, Hong-Cheu Lin
Publikováno v:
Thin Solid Films. 363:81-85
A series of novel electroluminescent bispyridyl compounds, which contain central thiophene, benzene, and naphthalene cores, are synthesized and used as light emitting diode (LED) dopants in LED polymer blends. Several single-layer electroluminescent