研究目的
Investigating the characteristics of an indirect-type hybrid X-ray detector with a conjugated polymer P3HT and CdSe QD blended active layer to improve detection sensitivity.
研究成果
The hybrid detector with a P3HT:CdSe QD active layer under optimized process conditions showed the highest CCD and sensitivity. The study demonstrated that ligand exchange and optimal blending ratio significantly improve detector performance.
研究不足
The study focused on the blending ratio and ligand exchange effect but did not explore other potential variables that could affect detector performance. The application is limited to indirect X-ray detection.
1：Experimental Design and Method Selection:
The study examined the optimal blending ratio of P3HT:CdSe QDs, ligand exchange effect, and optimal process condition of the active layer.
2：Sample Selection and Data Sources:
The active layer was composed of conjugated polymer P3HT as the electron donor and 5 nm CdSe QDs as the electron acceptor.
3：List of Experimental Equipment and Materials:
Instruments included an X-ray generator (AJEX 2000H), a solar simulator (San Ei Elec. XES-40S2-CE), and an electrometer (Keithley 6517B).
4：Experimental Procedures and Operational Workflow:
The detector was evaluated under X-ray irradiation and artificial solar illumination to measure parameters like CCD, DCD, and sensitivity.
5：Data Analysis Methods:
The sensitivity was calculated from the difference between CCD and DCD, and the absorbed X-ray dose was measured using an ion chamber.
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