Solvent-Free Mechanochemical Synthesis of Ultrasmall Nickel Phosphide Nanoparticles and Their Application as a Catalyst for the Hydrogen Evolution Reaction (HER)

Abstract

Dedicated to Dr. Terrence "Terry" Fiss who sadly passed away after a long battle with cancer during the preparation of this manuscript. Uncle Terry had always been one of my strongest supporters in my pursuit towards a career in science, always encouraging me to tackle tough problems, and never stop asking questions.

Simplifying and expanding the scope of boron imidazolate framework (BIF) synthesis using mechanochemistry

“…Mechanochemistry [1][2][3][4][5][6][7] has emerged as a versatile methodology for the synthesis and discovery of advanced materials, including nanoparticle systems [8][9][10] and metal-organic frameworks (MOFs), [11][12][13][14][15] giving rise to materials that are challenging to obtain using conventional solution-based techniques. [16][17][18] Mechanochemical techniques such as ball milling, twin screw extrusion 19 and acoustic mixing 20,21 have simplified and advanced the synthesis of a wide range of MOFs, permitting the use of simple starting materials such as metal oxides, hydroxides or carbonates, 22,23 at room temperature and without bulk solvents, yielding products of comparable stability and, after activation, higher surface areas than solutiongenerated counterparts.…”

Liquid-assisted grinding/compression: a facile mechanosynthetic route for the production of high-performing Co–N–C electrocatalyst materials

“…k is the electrochemical rate constant for O 2 reduction, C b O2 is the concentration of O 2 (1.22 × 10 −6 mol cm −3 in 0.1 M KOH), 33 while D O 2 shows the diffusion coefficient of O 2 (1.93 × 10 −5 cm 2 s −1 in 0.1 M KOH), 33 ω represents the rotation rate of the electrode (rad s −1 ), and ν is the kinematic viscosity of the solution (0.01 cm 2 s −1 ). 34 The OER performances of the as-prepared Co-N-C materials were investigated in a 0.1 M KOH solution with a scan rate of 10 mV s −1 . The ORR/OER durability was investigated by a chronoamperometry technique in 0.1 M O 2 /Ar-saturated KOH electrolyte at a constant potential of 0.6/1.6 V vs.…”

“…29,30 Mechanochemistry, where kinetic force is utilized in the form of ball milling (grinding) or compression, is becoming a major method for fabricating various materials. [31][32][33] Recent examples of mechanochemistry in the domain of materials include the synthesis of MOFs, [31][32][33] nanoparticles, 34 organic molecules, 35 etc. Moreover, mechanosynthesis possesses numerous attractive hallmarks such as more straightforward, easy-to-scale, and affordable techniques, reduced formation of hazardous substances, and minimized energy requirement, which is considered advantageous from an industrial point of view.…”

Simplifying and Expanding the Scope of Boron Imidazolate Framework (BIF) Synthesis Using Mechanochemistry

“…Mechanochemistry [1][2][3][4][5][6][7] has emerged as a versatile methodology for the synthesis and discovery of advanced materials, including nanoparticle systems [8][9][10] and metal-organic frameworks (MOFs), [11][12][13][14][15] giving rise to materials that are challenging to obtain using conventional solution-based techniques. [16][17][18] Mechanochemical techniques such as ball milling, twin screw extrusion 19 and acoustic mixing 20,21 have simplified and advanced the synthesis of a wide range of MOFs, permitting the use of simple starting materials such as metal oxides, hydroxides or carbonates, 22,23 at room temperature and without bulk solvents, yielding products of comparable stability and, after activation, higher surface areas than solution-generated counterparts.…”