1：Experimental Design and Method Selection:

Synthesis of BPEA via Sonogashira coupling reactions, characterization of its thermal stability, photoluminescence properties, and fabrication of LEDs.

2：Sample Selection and Data Sources:

BPEA was synthesized and characterized using NMR, IR, UV-vis absorption, and photoluminescence spectroscopy.

3：List of Experimental Equipment and Materials:

JEOL Lambda 300 and 500 instruments, Perkin-Elmer PE 2400 instrument, Thermo DSQ mass spectrometer, IR-Nicolet Avatrar 330 spectrometer, UV 2550, RF5301, Ever?ne PMS-50 PLUS UV–vis–near IR spectrophotocolorimeter, Netzsch thermogravimetric analyzer, External Quantum E?ciency Measurement System C9920-12, LIFM 200F3 differential scanning calorimeter.

4：Experimental Procedures and Operational Workflow:

Synthesis of BPEA, thermal stability analysis, photoluminescence analysis, fabrication of LEDs.

5：Data Analysis Methods:

Analysis of NMR, IR, UV-vis absorption, and photoluminescence spectra, quantum yield measurements.