1：Experimental Design and Method Selection:

The study involved the synthesis of mono(4-fluorobenzyl)cyclotriphosphazene derivatives, quaternization to form ionic liquids, and metathesis reactions. Characterization was done using elemental analysis, FTIR, NMR, TGA, viscosity measurements, dielectric spectroscopy, OFET fabrication, and tribological tests.

2：Sample Selection and Data Sources:

Compounds were synthesized from hexachlorocyclotriphosphazene and specific reagents. Samples included PzILs and reference lubricants like 15W40 engine oil.

3：List of Experimental Equipment and Materials:

Equipment included elemental analyzer, FTIR spectrometer, NMR spectrometer, TGA instrument, viscometer, impedance analyzer, OFET fabrication tools, tribometer, SEM, and profilometer. Materials included various chemicals and substrates.

4：Experimental Procedures and Operational Workflow:

Synthesis steps involved reactions in THF, filtration, and drying. Characterization involved spectral and thermal analysis. OFETs were fabricated with ITO electrodes and pentacene layers. Tribological tests used a reciprocating wear test setup.

5：Data Analysis Methods:

Data were analyzed using standard spectroscopic, thermal, electrical, and tribological techniques, including curve fitting for dielectric properties and wear rate calculations.