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Selenium se

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Selenium (Se) is a chemical element that is a crucial component in various laboratory equipment and instrumentation. It serves as a core functional material due to its unique electrical and photovoltaic properties. Selenium is used in the manufacture of specialized sensors, detectors, and analytical instruments utilized in scientific research and industrial applications.

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Lab products found in correlation

Oleic acid, by Merck Group (3 mentions) Trioctylphosphine top, by Merck Group (2 mentions) Oleylamine, by Merck Group (2 mentions) Hexane, by Thermo Fisher Scientific (1 mentions) Cadmium acetate dihydrate, by Merck Group (1 mentions) Copper chloride dihydrate, by Merck Group (1 mentions) Myristic acid, by Merck Group (1 mentions) Cadmium oxide, by Merck Group (1 mentions) Lead oxide, by Thermo Fisher Scientific (1 mentions) 1 octadecene ode, by Merck Group (1 mentions) Hydrochloric acid (hcl), by SD Fine Chemicals (1 mentions) Dextrose, by SD Fine Chemicals (1 mentions) Lithium hydroxide, by Merck Group (1 mentions) Methyl acrylate, by Thermo Fisher Scientific (1 mentions) Sodium borohydride, by Thermo Fisher Scientific (1 mentions) Citric acid, by Thermo Fisher Scientific (1 mentions) Alpha lipoic acid, by Merck Group (1 mentions) Zinc acetate znac, by Merck Group (1 mentions) Hexane, by Merck Group (1 mentions) Zinc nitrate hexahydrate, by Merck Group (1 mentions)

Close spelling variants of this product

Selenium (159 citations) Selenium powder (Se) (2 citations)

4 protocols using selenium se

1

Synthesis of Nanocrystalline Materials

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Cadmium acetate dihydrate (Sigma-Aldrich,
98%), myristic acid (Sigma-Aldrich, 98%), selenium (Se, Sigma-Aldrich,
99.99%), tellurium (Te, SigmaAldrich, 99.99%), copper chloride dihydrate
(ACS reagent, 99.8%), zinc acetate trihydrate (Zn(CH3COO)2·2H2O, Sigma-Aldrich, 98%), sodium borohydride
(NaBH4, Sigma-Aldrich, 96%), trioctylphosphine (TOP, Sigma-Aldrich,
technical grade, 90%), 1-octadecene (ODE, Sigma-Aldrich, technical
grade, 90%), oleylamine (technical grade, 70%), sulfur (S, Sigma-Aldrich,
<99.5%), oleic acid (technical grade, Sigma-Aldrich, 90%), cadmium
oxide (Sigma-Aldrich, 99.9%), and lead oxide (Alfa Aesar, 99.9%).
Hexane (AR grade, 99%), 1,4-butanediol (90%, AR), dextrose (95% anhydrous,
AR), HCl (99%), and HNO3 (98%) were purchased from SD Fine
Chemicals. All chemicals were used without further purification.
Mahadevu R, & Pandey A. (2018). Thermodynamic Model for Quantum Dot Assemblies Formed Because of Charge Transfer. ACS Omega, 3(1), 266-272.
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2

Quantum Dot Synthesis and Functionalization

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For QD synthesis, 99.95% Cadmium Oxide (CdO, Alfa Aesar), 99.99% Zinc Acetate (ZnAc, Sigma-Aldrich), and 99.99% Indium Acetate (InAc, ACROS Organics) were used for making cation precursors while 99.99% Selenium (Se, pellets, Sigma-Aldrich) and 99.5% Sulfur (S, ACROS Organics) were used for anion precursors. Octadecence (Tech, 90% ODE, Sigma-Aldrich), oleic acid (Tech, 90% OA, Sigma-Aldrich), oleylamine (Tech, 70% Olam, Sigma-Aldrich), 97% trioctylphosphine (TOP, Sigma-Aldrich), and trioctylphosphine oxide (TOPO, Sigma-Aldrich) were used as solvents and coordinating ligands during synthesis. Quantum dots were cleaned and stored in organic solutions post-synthesis using hexane (Sigma-Aldrich), chloroform (CHCl3, J.T.Baker), ethanol (EtOH, anhydrous, Sigma-Aldrich), and methanol (MeOH, Sigma-Aldrich). For CL4 synthesis, alpha-lipoic acid (LA, Sigma Aldrich), 97% N,N’-Carbonyldiimidazole (CDI, Alfa Aesar), ethylenediamine (EDA Sigma-Aldrich), methyl acrylate (ACROS Organics), lithium hydroxide (LiOH, Sigma-Aldrich) and sodium borohydride (NaBH4, ACROS Organics) were used. Zinc nitrate hexahydrate, (reagent grade, 98%, Sigma Aldrich) was used for metalated ligand transfer. Buffered solutions were prepared by using phosphate buffered saline packets (pH 7.4, Sigma-Aldrich), sodium citrate dihydrate (Sigma-Aldrich) and citric acid (Fisher Chemicals).
Chern M., Toufanian R, & Dennis A.M. (2020). Quantum Dot to Quantum Dot Förster Resonance Energy Transfer: Engineering Materials for Visual Color Change Sensing. The Analyst, 145(17), 5754-5767.
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3

Synthesis of Colloidal Semiconductor Nanocrystals

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All chemicals, indium acetate (In(OAc)3 99.99% trace metal basis, Sigma–Aldrich), indium chloride (InCl3, 99,99%, Sigma–Aldrich), zinc acetate (Zn(OAc)2 99.99% trace metal base, Sigma–Aldrich), palmitic acid (99%, Sigma), oleic acid (90% technical grade, Aldrich), selenium (Se, pellets, 99.999%, Sigma‐Aldrich), hexane (anhydrous, Sigma‐Aldrich), tetrachloroethylene (TCE, anhydrous, Sigma–Aldrich), tri‐n‐octylphosphine (TOP, 97%, Strem), tris(trimethylsilyl)arsine (TMS‐As, 99%, JSI‐silicon), tris(trimethylsilyl)antimony (TMS‐Sb, 99%, JSI‐silicon) were used without any further purification.
Seo H., Eun H.J., Lee A.Y., Lee H.K., Kim J.H, & Kim S. (2023). Colloidal InSb Quantum Dots for 1500 nm SWIR Photodetector with Antioxidation of Surface. Advanced Science, 11(4), 2306439.
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4

CVD Growth of Multilayer MoSe2 Films

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Molybdenum trioxide (MoO 3 ) (99%, Sigma Aldrich) powder and selenium (Se) (99.5%, Sigma Aldrich) The ramping time from room temperature to growth temperature is 15 min and the growth time (selenization time) is 20 min. The thickness of the MoSe 2 sample can be controlled by the growth temperature. In order to realize the multilayer nucleation of MoSe 2 , higher temperatures are necessary. For CVD growth of multilayer MoSe 2 , high temperature can introduce a thermodynamic process comparing to a kinetic process at low temperature, [32] which is a general case for temperature selective growth in chemistry. [33] At high temperature, upper triangles usually grow from the same nucleation site at the center of the bottom triangle for multilayer MoSe 2 . In our experiment, growth at 750°C would yield MoSe 2 dominated by monolayer, while 825°C and 900°C can result in bilayer and 3-4 layers samples, respectively.
He Y., Sobhani A., Lei S., Zhang Z., Gong Y., Jin Z., Zhou W., Yang Y., Zhang Y., Wang X., Yakobson B., Vajtai R., Halas N.J., Li B., Xie E, & Ajayan P. (2016). Layer Engineering of 2D Semiconductor Junctions. Advanced materials (Deerfield Beach, Fla.), 28(25).
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