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8 protocols using chlorobenzene

1

Fabrication and Doping of CNT Yarns

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Chemical vapor deposition (CVD) method (Black Magic II, Aixtron Ltd.) was used to synthesize high-density and vertically aligned CNT array. A thin layer of iron was used as a catalyst which was deposited on the substrate (Al2O3/SiO2/Si) by electron beam deposition (VTR-350M/ERH, ULVAC KIKO Inc.)45 (link). Then, FWCNT yarns (15‒20 µm) were fabricated from the CNT array using dry spinning method with rotation speed of 500 rpm and drawing speed of 300 mm/min. Joule-annealing was accomplished by passing a current of ~ 73 mA and voltage of ~56 V under vacuum condition at around 1‒2 × 10−4 Pa for 1 min39 (link),46 (link).
F4TCNQ was purchased from Luminescence Technology Corporation. Chlorobenzene (99%) was purchased from Wako Pure Chemical Industries, Ltd. F4TCNQ was dissolved in Chlorobenzene solution by probe sonication for 10 min followed by magnetic stirring at 110 °C for 20 min at 300 rpm. Doping was performed with various concentrations of F4TCNQ such as 1, 2.5, 5 and 10 mg/ml respectively. Then CNT yarns were dipped into F4TCNQ solution47 (link),48 for 6 hrs. As a consequence, CNT yarns were dried in an oven at 80 °C for 15 min.
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2

Fabrication of Perovskite Solar Cells

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Indium-doped tin oxide (ITO)-coated glass slides (2 cm × 2 cm) with a sheet resistivity of 10 Ω/□ were obtained from AMG, Korea. The zinc acetate dihydrate (Zn(CH3CO)2∙2H2O, 99.99%), lead bromide (PbBr2, 99.99%), and 4-tert-butylpyridine (tBP) were purchased from Sigma Aldrich (St. Louis, MO, USA). Formamidinium bromide (FABr, 99.99%) was obtained from Greatcell Solar Materials Pvt Ltd. Lead iodide (PbI2, 99.99%) was acquired from TCI chemicals. Gold pellets (Au, 99.99%) and Poly(3-hexylthiophene-2,5-diyl) (P3HT) were bought from Rieke Metals Inc. (Lincoln, NE, USA). Cesium iodide (CsI, 99.99%) and tin oxide (SnO2, 15% in H2O) colloidal solutions were obtained from Alfa Aesar (Ward Hill, MA, USA). 2-methoxyethanol (2-ME, 99%), acetone (99%), ethanolamine (99%), dimethyl sulfoxide (DMSO, 99.8%), isopropanol (IPA, 99.5%), and dimethylformamide (DMF, 99.5%) were purchased from Samchun Chemical (Seoul, Republic of Korea). Phenyl-C61-butyric acid methyl ester (PC61BM, 99.5%) was bought from Organic Semiconductor Materials. Chlorobenzene (CB, 99% GR grade) was acquired from Wako Chemicals. All the received chemicals were used in the fabrication of PSCs without any further purification.
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3

Organic Photovoltaic Material Procurement

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PM6, Y6, BTP-eC9, IEICO-4F, and ITCC were purchased from 1-Materials (Quebec, Canada). PBDTTT-OFT was received from Toray Industries. PC71BM was purchased from Solenne BV Corporation. The precursor (ECRIOS VICT-Cz) of transparent polyimide was from Mitsui Chemicals (Japan). Zinc acetate dehydrates, 2-methoxyethanol, chloroform, and chlorobenzene were purchased from FUJIFILM Wako Pure Chemical Corporation (Japan). Ethoxylated polyethyleneimine (PEIE, 80% ethoxylated solution, 37 wt% in H2O), 1-chloronaphthalene (1-CN), and 1,8-diiodooctane (DIO) were purchased from Sigma-Aldrich. All materials were used as received without further purification.
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4

Fabrication of Transparent Polyimide Substrate

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The precursor (ECRIOS VICT-Cz) used for the fabrication of the transparent polyimide substrate was obtained from Mitsui Chemicals. The fluorinated polymers (Novec1700, 3 M) and their solvents (Novec 7100, 3 M) were purchased from 3 M. Zinc acetate dehydrates, ethanolamine, 2-methoxyethanol, and chlorobenzene were purchased from FUJIFILM Wako Pure Chemical Corporation. Ethoxylated polyethyleneimine (PEIE) and 1-chloronaphthalene were purchased from Sigma Aldrich. Poly[4,8-bis(5-(2-ethylhexyl) thiophen-2-yl) benzo[1,2-b;4,5-b’] dithiophene-2,6-diyl alt-(4-octyl-3-fluorothieno[3,4-b] thiophene)-2-carboxy-late-2–6-diyl] (PBDTTT-OFT) was obtained from TORAY. 2,2’-((2Z,2’Z)-(((4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro sindaceno[1,2-b:5,6-b’]dithiophene-2,7-diyl)bis(4-((2-ethylhexyl)oxy)thiophene-5,2 diyl))bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene2,1diylidene)) dimalononitrile (IEICO- 4F) was purchased from 1-Material. All the materials were used as received without further purification.
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5

Synthesis and Characterization of PBTPA Polymers

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PBTPA homopolymer (number average molecular weight (Mn) = 9100, polydispersity index (PDI) = 1.80) was synthesized via palladium-catalyzed C-N coupling polymerization [19 (link)]. The number average molecular weight (Mn) was determined by gel permeation chromatography (GPC) calibrated with polystyrene standards. Differential scanning calorimetry (DSC) analysis was performed under nitrogen atmosphere at heating and cooling rates of 10 °C/min on a DSC-8230 (Rigaku, Tokyo, Japan). As reported, obtained PBTPA showed amorphous nature with a glass transition temperature of 215 °C [19 (link)]. Two poly(methyl methacrylate)s (PMMAs) with different molecular weight (PMMA-L; Mn = 15,000, and PMMA-H; Mn = 120,000) was supplied by Wako Pure Chemical Industries (Osaka, Japan) as primary ingredients of the microspheres. DSC measurements revealed that both PMMAs showed a glass transition at 105 °C. Equal weight of two polymers were dissolved in chlorobenzene (Wako Pure Chemical Industries, Osaka, Japan) to have concentration of 0.1 or 1.0 w/v% for total polymers; the resulting solution was used as a dispersed phase of emulsion. Poly(vinyl alcohol) (PVA) (PVA224, Kuraray, Tokyo, Japan), and sodium dodecyl sulfate (SDS) (Wako Pure Chemical Industries, Osaka, Japan) was used as a water-soluble stabilizer, and a surfactant, respectively.
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6

Fabrication of Perovskite Solar Cells

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Indium-doped tin oxide (ITO)-coated glass slides (2 cm × 2 cm) with a sheet resistivity of 10 Ω/□ were obtained from AMG, Korea. The zinc acetate dihydrate (Zn(CH3CO)2∙2H2O, 99.99%), lead bromide (PbBr2, 99.99%), and 4-tert-butylpyridine (tBP) were purchased from Sigma Aldrich (St. Louis, MO, USA). Formamidinium bromide (FABr, 99.99%) was obtained from Greatcell Solar Materials Pvt Ltd. Lead iodide (PbI2, 99.99%) was acquired from TCI chemicals. Gold pellets (Au, 99.99%) and Poly(3-hexylthiophene-2,5-diyl) (P3HT) were bought from Rieke Metals Inc. (Lincoln, NE, USA). Cesium iodide (CsI, 99.99%) and tin oxide (SnO2, 15% in H2O) colloidal solutions were obtained from Alfa Aesar (Ward Hill, MA, USA). 2-methoxyethanol (2-ME, 99%), acetone (99%), ethanolamine (99%), dimethyl sulfoxide (DMSO, 99.8%), isopropanol (IPA, 99.5%), and dimethylformamide (DMF, 99.5%) were purchased from Samchun Chemical (Seoul, Republic of Korea). Phenyl-C61-butyric acid methyl ester (PC61BM, 99.5%) was bought from Organic Semiconductor Materials. Chlorobenzene (CB, 99% GR grade) was acquired from Wako Chemicals. All the received chemicals were used in the fabrication of PSCs without any further purification.
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7

Fabrication of Microfluidic Devices

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Ultrapure water was obtained using a Direct-Q UV system (Merck Millipore, Tokyo).
Methanol (refractive index n = 1.3290), ethanol (n = 1.3614), 2-butanol (n = 1.3978), chloroform (n = 1.4459), o-xylene (n = 1.5018), chlorobenzene (n = 1.5241) 11 were purchased from Wako Pure Chemical Industries (Osaka). Fused silica substrates (n = 1.460118 at λ = 546.074 nm (from the company's data sheet)) were purchased from Daico MFG Co., Ltd. (Kyoto). A positive photo resist (TDMR-AR80) and developer (NMD-3) for fabricating the micro-and nanofluidic device were purchased from Tokyo Ohka Kogyo Co., Ltd. (Tokyo). An adherence agent (AZ AD promotor) and an anti-reflection reagent (AZ Aquatar) were purchased from AZ Electronic Materials Co., Ltd. (Tokyo).
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8

Synthesis of Imidazolium Bromide MS Precursor

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Imidazolium bromide as a MS precursor was synthesized according to the literature method 24) . Pd (OAc) 2 (> 97.0%) , NaBr (99.9%) , dimethyl sulfoxide (99.0%) , trimethylamine (99.0%) , dichloromethane (99.0%) , methanol (99.5%) , chloroform (99.0%) , iodobenzene (97.0%) , chlorobenzene (99.0%) , and 4-iodoacetophenone (90.0%) were purchased from Wako pure Chemical Industries, Ltd., Japan. Bromobenzene (99.0%) , p-iodoanisole (96.0%) , 4-iodobenzoic acid (>98.0%) , and methyl acrylate (> 99.0%) were procured from Tokyo Chemical Industry Co., Ltd., Japan. All chemicals were used as received.
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