1：Experimental Design and Method Selection:

The study involved the synthesis of TzBI-based polymers through a modified synthetic route to achieve higher molecular weights. The methodology included Stille coupling reactions and polymerization techniques.

2：Sample Selection and Data Sources:

The materials used included ethyl 2-amino-5-bromothiazole-4-carboxylate, 2,5-dibromothieno[3,2-b]thiophene-3,6-dicarboxylate, and 2-decyltetradecan-1-amine, among others.

3：List of Experimental Equipment and Materials:

Instruments used included a Varian-400 spectrometer, a microwave reactor (Biotage Initiator), and high-temperature gel permeation chromatography (GPC: TOSOH HLC-8121GPC/HT).

4：Experimental Procedures and Operational Workflow:

The synthesis involved multiple steps including bromination, Stille coupling, hydrolysis, and polymerization, followed by characterization using UV-vis absorption spectra, cyclic voltammetry, and GIXD measurements.

5：Data Analysis Methods:

Data analysis involved determining molecular weights via GPC, optical and electrochemical properties through UV-vis and CV, and structural analysis via GIXD.