Results 41 to 50 of about 380,947 (342)

Discovery of two new phases of zirconium tetrakis(8-hydroxyquinolinolate): synthesis, crystal structure and their electron transporting characteristics in organic light emitting diodes (OLEDs) [PDF]

, 2011
Two new phases of zirconium tetrakis(8-hydroxyquinolinolate) (Zrq4) have been synthesised and characterised by single crystal X-ray diffraction. Their electrical, electronic, optical and thermal properties have been studied.
Alexander J. Blake, Allen, Antipán-Lara, Brown, Cole, D'Andrade, Daniel Bailey, Era, Frazer, Greef, Haines, Heeger, Hughes, Ichikawa, Juan Antipan-Lara, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kathirgamanathan, Kondakov, Kulkarni, Lewis, Muttulingam Kumaraverl, Okumoto, Poopathy Kathirgamanathan, Reinnke, Sasabe, Seenivasagam Ravichandran, Sheldrick, Sivagnanasundram Surendrakumar, Spek, Subramaniam Ganeshamurugan, Tanaka, Ueno, Vanga R. Reddy, Vincent Arkley   +42 more
core   +1 more source

Manipulation and control of the interfacial polarization in organic light-emitting diodes by dipolar doping

AIP Advances, 2016
Most of the commonly used electron transporting materials in organic light-emitting diodes exhibit interfacial polarization resulting from partially aligned permanent dipole moments of the molecules.
Lars Jäger, Tobias D. Schmidt, Wolfgang Brütting   +2 more
doaj   +1 more source

Mitigating the Efficiency Loss of Organic Photovoltaic Cells Using Phosphomolybdic Acid‐Doped PEDOT:PSS as Hole Transporting Layer

Advanced Energy & Sustainability Research, 2023
A phosphomolybdic acid (PMA)‐doped poly(3,4‐ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) hole transporting layer (HTL) is developed to effectively optimize the anode interface of inverted organic photovoltaic (OPV) devices.
Yi-Ming Chang, Wei-Long Li, Chia-Hua Tsai, Nai-Wei Teng   +3 more
doaj   +1 more source

Utilizing a Spiro Core with Acridine- and Phenothiazine-Based New Hole Transporting Materials for Highly Efficient Green Phosphorescent Organic Light-Emitting Diodes

Molecules, 2018
Two new hole transporting materials, 2,7-bis(9,9-diphenylacridin-10(9H)-yl)-9,9′ spirobi[fluorene] (SP1) and 2,7-di(10H-phenothiazin-10-yl)-9,9′-spirobi[fluorene] (SP2), were designed and synthesized by using the Buchwald–Hartwig coupling reaction with a
Ramanaskanda Braveenth, Il-Ji Bae, Ji-Hun Han, Wu Qiong, Guk Seon, Kanthasamy Raagulan, Kihun Yang, Young Hee Park, Miyoung Kim, Kyu Yun Chai   +9 more
doaj   +1 more source

Efficient and Hole-Transporting-Layer-Free CsPbI2 Br Planar Heterojunction Perovskite Solar Cells through Rubidium Passivation.

ChemSusChem, 2019
Recently, inorganic perovskite CsPbI2 Br has gained much attention for photovoltaic applications owing to its excellent thermal stability. However, low device performance and high open-voltage loss, which are the result of its intrinsic trap states, are ...
Yixin Guo, Fei Zhao, J. Tao, Jinchun Jiang, Jungang Zhang, Jianping Yang, Zhigao Hu, J. Chu   +7 more
semanticscholar   +1 more source

Chemical Stabilization of Perovskite Solar Cells with Functional Fulleropyrrolidines. [PDF]

, 2017
While perovskite solar cells have invigorated the photovoltaic research community due to their excellent power conversion efficiencies (PCEs), these devices notably suffer from poor stability. To address this crucial issue, a solution-processable organic
Duzhko, Volodimyr V, Emrick, Todd, Kittilstved, Kevin R, Liu, Yao, Page, Zachariah A, Russell, Thomas P, Zhou, Dongming   +6 more
core   +1 more source

White Organic Light-Emitting Diodes with fine chromaticity tuning via ultrathin layer position shifting [PDF]

, 2006
Non-doped white organic light-emitting diodes using an ultrathin yellow-emitting layer of rubrene (5,6,11,12-tetraphenylnaphtacene) inserted on either side of the interface between a hole-transporting NPB (4,4'-bis[N-(1-naphtyl)-N-phenylamino]biphenyl ...
Ades, Dominique, Castex, Marie-Claude, Chenais, Sebastien, Choukri, Hakim, Fischer, Alexis, Forget, Sebastien, Geffroy, Bernard, Siove, Alain   +7 more
core   +3 more sources

Di(arylcarbazole) Substituted Oxetanes as Efficient Hole Transporting Materials with High Thermal and Morphological Stability for OLEDs

Molecules, 2023
A group of di(arylcarbazole)-substituted oxetanes has been prepared in Suzuki reactions by using the key starting material 3,3-di[3-iodocarbazol-9-yl]methyloxetane and various boronic acids (fluorophenylboronic acid, phenylboronic acid or naphthalene-1 ...
Daiva Tavgeniene, Baohua Zhang, Saulius Grigalevicius   +2 more
doaj   +1 more source

Enhanced Photovoltaic Performances of Graphene/Si Solar Cells by Insertion of an MoS2 Thin Film

, 2015
Atomically thin layered materials such as graphene and transition-metal dichalcogenides exhibit great potential as active materials in optoelectronic devices because of their high carrier-transporting properties and strong light-matter interactions. Here,
Funahashi, Kazuma, Kozawa, Daichi, Matsuda, Kazunari, Miyauchi, Yuhei, Mouri, Shinichiro, Takenobu, Taishi, Tsuboi, Yuka, Wang, Feijiu   +7 more
core   +1 more source

High Performance Perovskite Solar Cells [PDF]

, 2015
Perovskite solar cells fabricated from organometal halide light harvesters have captured significant attention due to their tremendously low device costs as well as unprecedented rapid progress on power conversion efficiency (PCE).
Lin, F, Tong, X, Wang, ZM, Wu, J
core   +1 more source