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5 protocols using silver nitrite

1

Electrochemical Characterization of Organic Compounds

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All reagents and solvents were
of commercial reagent grade and were used without further purification,
except where noted. Reagents not listed were purchased from Sigma-Aldrich.
4-(2-Aminomethyl) pyridine (98%), 4-methylpyridine (99%), 4-propylpyridine,
4-aminopyridine (98%), potassium ferrocyanide(III) (99%), sodium nitrite
(97%), silver nitrite (99%), deuterium oxide (D2O), (>99.8%
D), and potassium bicarbonate (99.7%) were purchased from Sigma-Aldrich
Company. All aqueous solutions were prepared using Millipore water
(18.2 MΩ cm). The glassy carbon surface was polished with 1,
0.3, and 0.05 μm alumina slurries. The electrodes were then
ultrasonicated in acetone, ethanol, and water.
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2

Synthesis of MoS2 Nanostructures

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Silver nitrite (>99% AgNO3), sodium borohydride (99% NaBH4), glucose, glycine, urea, l-phenylalanine, l-lactic acid and l-tyrosine were purchased from Sigma-Aldrich (St. Louis, MO, USA). MoS2 powder (10–30 μm) was obtained from Rose Mill Co. (West Hartford, CT, USA). All other reagents and chemicals were of analytical grade and were used as received without further purification.
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3

Synthesis of Metallic Nanoparticles

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Silver nitrite, sodium citrate, L-ascorbic acid, sodium silicate, MPTMS, tetraethylorthosilicate (TEOS), 4-ATP, sodium borohydride, ammonium hydroxide (25%), isopropanol, sulfuric acid, hydrochloric acid, phosphoric acid, sodium chloride, sodium bromide and potassium iodide were purchased from Sigma/Aldrich/Fluka. 4-NTP was purchased from Fluorochem. 4-MBA was purchased from TCI. Glycerol was purchased from AppliChem. Polyvinylpyrrolidone K30 was purchased from Carl Roth. All chemical reagents were used as received without further purification.
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4

Synthesis of MoS2-Ni-Ag Catalyst Nanomaterials

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MoS2 flake powders (>99.5%, Nanjing Emperor Nano Material Co. Ltd) and nickel nanopowder (Ningxia Orient Tantalum Industry, Co. Ltd) with an average diameter of 200 nm were weighed and mixed in a DURAN Erlenmeyer flask (125 mL). Ultrapure water (75 mL, 18.2 MΩ cm at 25 °C) was then added to the flask. Vigorous vibration was performed to evenly distribute the powder. Silver nitrite (0.01 mol L−1, Sigma-Aldrich) was then added, and the flask was sealed with ambient air inside. The mixed suspension underwent wet chemical synthesis in an ultrasonic cleaner (35 kHz, 70 °C) for 4 hours. A typical weight percentage is MoS2 : Ni : Ag = 84 : 6 : 10. After synthesis, samples were kept in the ultrasonic cleaner and cooled to room temperature. The remaining water was removed and the catalyst samples were washed with ultrapure water before the characterizations or HER tests.
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5

Molecularly Imprinted Polymer Synthesis

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Methacrylic acid (MAA), divinylbenzene (DVB), 2,2'-azobis(isobutyronitrile) (AIBN), TBZ, silver nitrite, and trisodium citrate were purchased from Sigma-Aldrich (St. Louis, MO, USA).
Methanol (HPLC grade), acetonitrile (HPLC grade), toluene (HPLC grade), and acetic acid were obtained from Thermo Fisher Scientific (Toronto, ON, Canada). Orange juice samples were purchased from several local grocery stores in Vancouver. TBZ stock solution (0.5 mmol L -1 ) was prepared in 20% acetonitrile, stored at room temperature, and diluted with 20% acetonitrile for further use as working solution. The porogen solvent was made of acetonitrile/toluene (3:1, v/v).
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