Flexible UV photodetector based on copper tetraiodogallate (CuGaI4) film
Haoyu Chen,
Bingxu Liu,
Jiupeng Cao
et al.
Abstract:The Cu‐based halide semiconductor CuGaI4 was prepared by a high‐temperature melting method. Optoelectronic characterization and density functional theory calculations of CuGaI4 reveal a direct bandgap of 2.9 eV. The corresponding UV photodetector (PD) based on CuGaI4 demonstrates excellent UV response and rapid response time. In addition, a flexible PD based on CuGaI4 is prepared, which also displays excellent photoresponse characteristics and mechanical stability. This work provides a systematic study of this… Show more
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