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Di-Yan Wang et al.
Advanced materials (Deerfield Beach, Fla.), 24(25), 3415-3420 (2012-06-08)
A heterojunction photodiode with NIR photoresponse using solution processable pyrite FeS(2) nanocrystal ink is demonstrated which has the advantages of earth-abundance and non-toxicity. The device consists of a FeS(2) nanocrystal (NC) thin film sandwiched with semiconducting metal oxides with a
Hanmei Hu et al.
Journal of nanoscience and nanotechnology, 14(6), 4462-4468 (2014-04-18)
A mild one-pot hydrothermal route has been successfully designed to controllably prepare orthorhombic alpha-MoO3 nanobelts and monoclinic MoO2 microaxletrees respectively by adjusting the dosage of (NH4)6M07O24 x 4H2O (AHM). The products are characterized by X-ray diffraction (XRD), field-emission scanning electron
Fengxian Xie et al.
Advanced materials (Deerfield Beach, Fla.), 25(14), 2051-2055 (2013-02-07)
A simple one-step method is reported to synthesize low-temperature solution-processed transition metal oxides (TMOs) of molybdenum oxide and vanadium oxide with oxygen vacancies for a good hole-transport layer (HTL). The oxygen vacancy plays an essential role for TMOs when they
S Mahlik et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 24(21), 215402-215402 (2012-05-01)
Steady state and time resolved luminescence measurements of CaMoO(4) doped with Pr(3+) as a function of hydrostatic pressure in the 1-175 kbar range are presented. It has been observed that with increasing pressure the spectral features shift towards lower energies
Kinetics and mechanism of molybdenum (VI) oxide reduction.
Sloczynski J.
Journal of Solid State Chemistry, 118(1), 84-92 (1995)
Patrick R Brown et al.
Nano letters, 11(7), 2955-2961 (2011-06-15)
The ability to engineer interfacial energy offsets in photovoltaic devices is one of the keys to their optimization. Here, we demonstrate that improvements in power conversion efficiency may be attained for ZnO/PbS heterojunction quantum dot photovoltaics through the incorporation of
Claudio Girotto et al.
ACS applied materials & interfaces, 3(9), 3244-3247 (2011-08-13)
We report on a sol-gel-based technique to fabricate MoO(3) thin films as a hole-injection layer for solution-processed or thermally evaporated organic solar cells. The solution-processed MoO(3) (sMoO(3)) films are demonstrated to have equal performance to hole-injection layers composed of either
Yi-Hsien Lee et al.
Advanced materials (Deerfield Beach, Fla.), 24(17), 2320-2325 (2012-04-03)
Large-area MoS(2) atomic layers are synthesized on SiO(2) substrates by chemical vapor deposition using MoO(3) and S powders as the reactants. Optical, microscopic and electrical measurements suggest that the synthetic process leads to the growth of MoS(2) monolayer. The TEM
Jens Meyer et al.
Advanced materials (Deerfield Beach, Fla.), 24(40), 5408-5427 (2012-09-05)
During the last few years, transition metal oxides (TMO) such as molybdenum tri-oxide (MoO(3) ), vanadium pent-oxide (V(2) O(5) ) or tungsten tri-oxide (WO(3) ) have been extensively studied because of their exceptional electronic properties for charge injection and extraction
Zachary M Hudson et al.
Advanced materials (Deerfield Beach, Fla.), 24(21), 2922-2928 (2012-05-04)
Highly efficient single-layer organic light-emitting diodes (OLEDs) are demonstrated using new N-heterocyclic carbazole-based host materials. Phosphorescent OLEDs with a structure of ITO/MoO(3) /host/host:dopant/host/Cs(2) CO(3) /Al are fabricated in which the new materials act simultaneously as electron-transport, hole-transport, and host layer.
A Chithambararaj et al.
Physical chemistry chemical physics : PCCP, 15(35), 14761-14769 (2013-08-02)
A detailed study on visible light photocatalytic degradation of methylene blue (MB) has been investigated in aqueous heterogeneous media containing hexagonal phase molybdenum oxide (h-MoO3) nanocrystals (NCs) which was identified as a new material for visible light driven photocatalysis. A
Design of transparent anodes for resonant cavity enhanced light harvesting in organic solar cells.
Nicholas P Sergeant et al.
Advanced materials (Deerfield Beach, Fla.), 24(6), 728-732 (2012-01-04)
Seiichiro Murase et al.
Advanced materials (Deerfield Beach, Fla.), 24(18), 2459-2462 (2012-04-11)
An MoO(3) film spin-coated from a solution prepared by an extremely facile and cost-effective synthetic method is introduced as an anode buffer layer of bulk-heterojunction polymer photovoltaic devices. The device efficiency using the MoO(3) anode buffer layer is comparable to
A M Abdelghany et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 569-574 (2013-06-27)
Borophosphate glasses of the basic composition (50P2O5, 30B2O3, 20Na2O mol%) containing different doping molybdenum oxide percents (0.16-0.98) were prepared by melting and annealing method. Infrared and UV-visible absorption spectroscopic measurements before and after gamma irradiation were carried out. The base
Yu-Zhan Wang et al.
The Journal of chemical physics, 134(3), 034706-034706 (2011-01-26)
The electronic structures at the MoO(3)∕Co interface were investigated using synchrotron-based ultraviolet and x-ray photoelectron spectroscopy. It was found that interfacial chemical reactions lead to the reduction of Mo oxidation states and the formation of Co-O bonds. These interfacial chemical
Eagleson M.
Concise Encyclopedia Chemistry, 509-509 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 224-224 (1994)
Jian Liu et al.
Advanced materials (Deerfield Beach, Fla.), 24(20), 2774-2779 (2012-04-19)
High-efficiency inverted polymer solar cells based on PCDTBT:PC(70)BM blend with the MoO(3)-Al composite film as the cathode buffer layer and the MoO(3)/Al as the anode have been demonstrated. A V(OC) of 0.88 V, a J(SC) of 10.88 mA cm(-2), a
Ding Zhou et al.
Nature communications, 5, 4716-4716 (2014-09-03)
Porous graphene, which features nano-scaled pores on the sheets, is mostly investigated by computational studies. The pores on the graphene sheets may contribute to the improved mass transfer and may show potential applications in many fields. To date, the preparation
MoO3 films spin-coated from a nanoparticle suspension for efficient hole-injection in organic electronics.
Jens Meyer et al.
Advanced materials (Deerfield Beach, Fla.), 23(1), 70-73 (2010-10-27)
Cordt Zollfrank et al.
Materials science & engineering. C, Materials for biological applications, 32(1), 47-54 (2012-11-28)
Serious infectious complications of patients in healthcare settings are often transmitted by materials and devices colonised by microorganisms (nosocomial infections). Current strategies to generate material surfaces with an antimicrobial activity suffer from the consumption of the antimicrobial agent and emerging
Efficient, large area ITO-and-PEDOT-free organic solar cell sub-modules.
Hui Jin et al.
Advanced materials (Deerfield Beach, Fla.), 24(19), 2572-2577 (2012-04-11)
Zhuangzhi Wu et al.
Ultrasonics sonochemistry, 18(1), 288-292 (2010-07-27)
Metastable hexagonal h-MoO(3) nanorods were synthesized by a simple sonochemical method, and then were transformed into thermodynamically stable a-MoO(3) microbelts by calcination. The obtained samples were characterized by X-ray diffraction (XRD), differential thermal analysis (DTA), field-emission scanning electron microscopy (FESEM)
Kathrin Lorenz et al.
Biointerphases, 6(1), 16-21 (2011-03-25)
In the present work, the authors produce a Ti surface with a TiO₂ nanotube coating and investigate the electrochemical filling of these layers with MoO₃. The authors demonstrate that using a potential cycling technique, a homogenous MoO₃ coating can be
Kourosh Kalantar-zadeh et al.
Nanoscale, 2(3), 429-433 (2010-07-21)
The formation of MoO(3) sheets of nanoscale thickness is described. They are made from several fundamental sheets of orthorhombic alpha-MoO(3), which can be processed in large quantities via a low cost synthesis route that combines thermal evaporation and mechanical exfoliation.
High-activity MgO-supported CoMo hydrodesulfurization catalysts prepared by non-aqueous impregnation.
Kaluza L, et al.
Applied Catalysis. B, Environmental, 162, 430-436 (2015)
Hao-Wu Lin et al.
Advanced materials (Deerfield Beach, Fla.), 24(17), 2269-2272 (2012-04-05)
Small-molecule organic solar cells with microcavity structures utilizing very thin solar-absorbing active layers are simulated and fabricated. By carefully fine-tuning the in-cell spacer layer and out-of-cell capping layer, highly efficient top-illuminated indium tin oxide-free solar cells are created on glass
Lili Cai et al.
Nano letters, 11(2), 872-877 (2011-01-26)
We report an atmospheric, catalyst-free, rapid flame synthesis technique for growing single, branched, and flower-like α-MoO(3) nanobelt arrays on diverse substrates. The growth rate, morphology, and surface coverage density of the α-MoO(3) nanobelts were controlled by varying the flame equivalence
Tailored 3D interface for efficiency improvement in encapsulation-free hybrid light-emitting diodes.
Eugenia Martínez-Ferrero et al.
ACS applied materials & interfaces, 3(9), 3248-3251 (2011-08-03)
The modification of the planar organic/inorganic interface of the hybrid light-emitting diodes by the addition of a tailored nanoporous crystalline metal oxide increases up to 1 order of magnitude the efficiency of the resulting devices. In this Letter, we present
Trupti Kotbagi et al.
ChemSusChem, 5(8), 1467-1473 (2012-07-24)
The transesterification of diethyl oxalate (DEO) with phenol to form diphenyl oxalate (DPO) has been carried out in the liquid phase over very efficient MoO(3)/TiO(2) solid-acid sol-gel catalysts. A selectivity of 100 % with a remarkable maximum yield of 88
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