1：Experimental Design and Method Selection:

Synthesis of N-arylated bisferrocene pyrazole derivatives (1-4) via Chan-Lam cross-coupling and Buchwald-Hartwig amination reactions. Characterization using analytical and spectroscopic methods. Investigation of solvatochromism, AIE properties, and dual-mode detection of H2O2 via fluorescence and electrochemical techniques.

2：Sample Selection and Data Sources:

Compounds 1-4 synthesized from ferrocenyl pyrazole and aryl boronic acids or terephthaloyl chloride. Commercial chemicals from TCI and Sigma-Aldrich. Data from NMR, MS, UV-Vis, fluorescence, and electrochemical measurements.

3：List of Experimental Equipment and Materials:

BRUKER 400 MHz NMR spectrometer, JEOL GCMATE II GC-MS, PERKIN-ELMER CHN-2400 elemental analyzer, FEI-Tecnai G2 20 S-TWIN HR-TEM, PERKIN SHIMADZU IR spectrometer, JASCO UV-Visible spectrophotometer, Hitachi F-7000 FL Spectrophotometer, CH-Instruments Model CHI620E electrochemical workstation, screen-printed electrodes, platinum electrodes, Ag/AgCl reference electrode, solvents (CH3CN, DCM, CDCl3), supporting electrolytes ([N(C4H9-n)4]ClO4, phosphate buffer).

4：Experimental Procedures and Operational Workflow:

Synthesis via cross-coupling reactions, purification by column chromatography. Electrode preparation by drop-casting on screen-printed electrodes. Fluorescence detection in CH3CN/H2O mixtures. Electrochemical measurements in PBS with H2O2. Data collection at specified wavelengths and potentials.

5：Data collection at specified wavelengths and potentials. Data Analysis Methods:

5. Data Analysis Methods: NMR spectral analysis, UV-Vis and fluorescence spectral analysis, cyclic voltammetry data analysis (E1/2, ipa/ipc), Stern-Volmer equation for quenching, quantum yield calculation using tryptophan standard, fluorescence lifetime measurement by single photon counting.