The Effect of Thermal Annealing on Charge Transport in Organolead Halide Perovskite Microplate Field-Effect Transistors.
basic_science · Level V
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- Record sourced from PubMed, PMID 27859707.
- Also identified by DOI 10.1002/adma.201601959.
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Abstract
Transformation of unipolar n-type semiconductor behavior to ambipolar and finally to unipolar p-type behavior in CH<sub>3</sub> NH<sub>3</sub> PbI<sub>3</sub> microplate field-effect transistors by thermal annealing is reported. The photoluminescence spectra essentially maintain the same features before and after the thermal annealing process, demonstrating that the charge transport measurement provides a sensitive way to probe low-concentration defects in perovskite materials.