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22 protocols using bathocuproine

1

Preparation of Metal Sulfate Stock Solutions

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Copper sulfate, iron sulfate heptahydrate (FeSO4), zinc sulfate heptahydrate (ZnSO4), and manganese dichloride (MnCl2) were purchased from Sigma-Aldrich, dissolved in water as 100 mM stock solutions and stored at 4°C. The FeSO4 solution was always prepared fresh prior to use. bathocuproinedisulfonic acid was purchased from Fisher Scientific and stored as a 100 mM stock solution in water at −80°C. Stocks of test compounds were prepared in DMSO and stored at −80°C as follows: Neo (Sigma-Aldrich) 10 mM, DSF (Sigma-Aldrich) 40 mM, bathocuproine (Sigma-Aldrich) 1 mM, and GTSM 10 mM. GTSM was a kind gift from Dr. Stefan Bossmann, who synthesized the compound in his laboratory at Kansas State University following published protocols (Haeili et al., 2014 (link)).
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2

Synthesis of Perovskite Materials

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All solvents and chemicals were purchased and utilized as obtained. Nickel (II) acetylacetonate, zinc acetate and bathocuproine (BCP) were purchased from Sigma-Aldrich Co. LLC. CH3NH3PbI3-DMF (MAPbI3-DMF) was purchased from TCI Co., Ltd. All solvents and reagents were of the highest quality available and were used as received.
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3

Synthesis and Characterization of Perovskite Materials

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Formamidine iodide, methylammonium iodide were purchased from Greatcell Solar company. PbI2 (99.999%), PbBr2 (99.999%), SnI2 (99.999%), CdI2 (99.999%), SnF2 (99%), CsI (99.999%), N,N-dimethylformamide (99.8%, anhydrous), dimethyl sulfoxide (99.8%, anhydrous), 1,2-dichlorobenzene (99%), toluene (anhydrous, 99.8%), poly(bis(4-phenyl)(2,4,6-trimethylphenyl)amine)(PTAA) and bathocuproine (BCP) were purchased from Sigma-Aldrich. Acetone and isopropanol alcohol were purchased from VWR company. PCBM and C60 were purchased from NANO-C company. PEDOT:PSS (Clevios™ P VP AI 4083) was purchased from Heraues company.
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4

Perovskite Solar Cell Fabrication Protocol

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N, N-dimethylformamide (DMF, 99.8%), chlorobenzene (CB, 99.8%), PbI2 (99.999%), NH4Cl (99.5%), NH4I (99.999%), n-butylamine (BA) phenylethylamine (PEA), p-phenylenediamine (PPD) and bathocuproine (BCP, 99.99%) were purchased from Sigma-Aldrich. Methylammonium iodide (MAI), methylammonium bromide (MABr) and methylammonium chloride (MACl) were purchased from Greatcell Solar Ltd. Poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT: PSS) AL4083 was purchased from Heraeus Ltd. [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) was purchased from Solenne BV. Hydroiodic acid (HI, 55.0–58.0%) was purchased from Aladdin. All reagents and solvents were used directly if not specified.
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5

Perovskite Solar Cell Fabrication

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Patterned glass-based ITO was purchased from Shenzhen Huayu Union Technology Co., Ltd. Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT: PSS) was purchased from Heraeus Precious Metals GmbH. Tin iodide (SnI2), Cesium iodide (CsI), bathocuproine (BCP), tin powder (Sn), N, N-dimethylformamide (DMF), dimethyl sulfoxide (DMSO), toluene, tin (II) fluoride (SnF2), guanidine thiocyanate (GuaSCN), and ethylenediamine (EDA) were purchased from Sigma-Aldrich. Methylammonium iodide (MAI) and formamidinium iodide (FAI) were purchased from Greatcell Solar Materials. Lead iodide (PbI2) and [2-(9H-carbazol-9-yl)ethyl]phosphonic acid (2PACz) were purchased from Tokyo Chemical Industry Co. Ltd (TCI). C60 was purchased from Puyang Yongxin Fullerene Technology Co., Ltd. Quartz-based ITO was purchased from Luoyang Guluo Glass Co. Ltd. All materials and solvents were used as received without any further purification.
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6

Organic Photovoltaic Material Synthesis

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Cesium iodide (CsI), bismuth iodide (BiI3), and solvents like DMF (dimethylformamide), 2-methoxy ethanol, nickel nitrate (Ni(NO3)2·6H2O), bathocuproine (BCP), isopropanol, chlorobenzene and toluene were purchased from Sigma-Aldrich and used as received. [6,6]-Phenyl C61 butyric acid methyl ester (PC61BM), nano-c 99% purity solutions (2 wt%) were prepared by dissolving in anhydrous chlorobenzene (CB) at 50 °C for 7 hours.
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7

Spectrophotometric Determination of Total Antioxidant Capacity

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Total antioxidant capacity was indirectly quantified by the method of Campos C. et al. (2005) [26 (link)], which is based on the reducing capacity of plasma to reduce Cu+2 to Cu+1, due to the effect of circulating endogenous antioxidants. Reduced copper was detected by the formation of stable Cu+1 chromogens in the presence of bathocuproine, which are bright light green in color. Thus, 35 µL of plasma was added to 145 µL of 0.1 M phosphate buffer (Sigma, St. Louis, MO, USA) at pH 7.5 and homogenized at 500 rpm (Multi-Vortex V-32, BioSan, Riga, Latvia) for 200 s. Immediately afterwards, 50 µL of 0.01 M copper II chloride (Sigma, St. Louis, MO, USA) was added and homogenized at 500 rpm (Multi-Vortex V-32, BioSan, Riga, Latvia) for 200 s. Next, 50 µL of 0.01 M bathocuproine (Sigma, St. Louis, MO, USA) was added and homogenized again at 500 rpm (Multi-Vortex V-32, BioSan, Riga, Latvia) for 200 s. Finally, the reaction was diluted to 1000 µL with deionized water (Hycel Reactivos Químicos, SA de CV, Zapopan, Jalisco, México) and read spectrophotometrically at a wavelength of 490 nm (UV-1800 Spectrophotometer, Shimadzu Co., Kyoto, Japan), previously adjusting with a phosphate buffer blank. Total antioxidant capacity is expressed in mmol/L.
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8

Fabrication of Organic Heterojunction Devices

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The hole injection material N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidine, (NPB), hole blocking material Bathocuproine (BCP) and emitter material Rubrene were purchased from Sigma Aldrich1 and used as received. 2,8-difluoro-5,12-bis(4-tert-butyl phenylethynyl)anthra[2,3-b;6,7-b’]dithiophene (DiF-tBPhE-ADT), 2,8-difluoro-5,12-bis(2-ethylhexylthienyl)anthra[2,3-b;6,7-b’]dithiophene (DiF-EHT-ADT) and 2,8-Difluoro-5,12-bis(triethylsilylethynyl)-anthra[2,3-b;6,7-b’]dithiophene (DiF-TES-ADT) were synthesized by the Anthony group at University of Kentucky.[56 ] The layered architecture of the herein investigated heterojunction devices was: Indium-tin-oxide (ITO, 145 nm)/MoOx (5 nm)/NPD (20 nm)/emitter (40 nm)/C60 (20 nm)/BCP(5 nm)/Al(80 nm). Devices were deposited on commercially available patterned indium tin oxide (Thin Film Devices, Rs = 15 ohms/sq). Substrates were cleaned via sonication in chloroform and isopropanol, followed by 15 min of ultraviolet/ozone treatment. Next, MoOx, NPD (Lumtec >99 %), Emitter, BCP (Lumtec >99 %), C60 (M.E.R. Corporation, >99.9%), and Al (R.D. Mathis, >99.99 %) were thermally evaporated using a Lesker deposition system at a base pressure of < 10−4 Pa connected to an N2 purged glovebox (<1 ppm H2O, O2). The active area, as defined by the overlap of ITO and metal contacts, was 4 mm2.
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9

Organic Semiconductor Materials Protocol

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PEDOT:PSS (Clevios P VP
AI 4083, Heraeus),
Bathocuproine (BCP 99.6%, Sigma Aldrich), Silver (99.99%, Angstrom),
α-6T (Lumtec), and molybdenum oxide (MoOx, 99.999%, Strem) were purchased and used as received.
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10

Perovskite Solar Cell Fabrication

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Dimethylformamide (DMF-anhydrous-Sigma-Aldrich),
dimethyl sulfide (DMSO-anhydrous-Sigma-Aldrich), toluene (anhydrous-Sigma-Aldrich),
chlorobenzene (CB-anhydrous-Sigma-Aldrich), dichlorobenzene (DCB-anhydrous-Sigma-Aldrich),
poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine] (PTAA) (Solaris Chem),
MeO-2PACz (TCI), PFN-Br (Sigma-Aldrich), [6,6]-phenyl-C61-butyric
acid methyl ester (PCBM-99%-Solenne), bathocuproine (BCP-96%-Sigma-Aldrich),
SnOx ink (N30-Avantama), methylammonium bromide (MABr-99.99%-Greatcell
solar), formamidinium iodide (FAI-99.99%-Greatcell solar), cesium
iodide (CsI-99.99%-Sigma-Aldrich), lead bromide (PbBr2-TCI), lead
iodide (PbI2-TCI), 1-butyl-3-methylimidazolium tetrafluoroborate (BMITFB-98%-ACROS),
oleylamine (OAm-Sigma-Aldrich), and benzylhydrazine hydrochloride
(BHC-Life Chemicals) were purchased and used without further purification.
Glass/ITO substrates (10 Ω/sq) were purchased from Kin-Tec.
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