Publications by authors named "You-Chao Kong"

Article Synopsis
  • * This new device design results in double the photocurrent and faster response times compared to traditional symmetric devices, achieving a responsivity of 233 mA/W at 355 nm radiation.
  • * The photodetectors are stable over 10,000 UV-light cycles and show minimal degradation after 90 days in the air, highlighting CsCuI's potential for effective UV detection.
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Lead-free perovskite has attracted great attention in realizing high-performance optoelectronic devices due to their excellent atmospheric stability and nontoxic characteristics. Although a pronounced ion migration effect has been observed in this new class of materials, its potential in enhancing the overall device performance is yet to be fully explored. In this work, we studied the effect of ion migrations on the carrier transport behavior and found that the recoverable migration process can contribute to enhancing the on/off ratio in a lead-free CsCuI single-crystal microrod-based photodetector.

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Interfacial quality of functional layers plays an important role in the carrier transport of sandwich-structured devices. Although the suppression of interface states is crucial to the overall device performance, our understanding on their formation and annihilation mechanism via direct characterization is still quite limited. Here, we present a thorough study on the interface states present in the electron transport layer (ETL) of blue quantum dot (QD) light-emitting diodes (QLEDs).

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