Junzhi Ye

Dec 26, 2024 | mdpi.com | Junzhi Ye

4. Challenges in the Process of ChangesAlthough the research on WHs has become quite extensive, there are still many issues to address in the face of habitat expansion and the increased human activities. Therefore, to better protect wildlife and safeguard human interests, it is essential to understand the challenges that we will face in the future and to propose corresponding solutions.

Oct 1, 2024 | nature.com | Junzhi Ye |Tao Chen

AbstractIndoor photovoltaics (IPVs) have attracted increasing attention for sustainably powering Internet of Things (IoT) electronics. Sb2S3 is a promising IPV candidate material with a bandgap of ~1.75 eV, which is near the optimal value for indoor energy harvesting. However, the performance of Sb2S3 solar cells is limited by nonradiative recombination, which is dependent on the quality of the absorber films.

Sep 15, 2024 | nature.com | Junzhi Ye |Navendu Mondal |Ben P. Carwithen |Linjie Dai |Jian Qiang Mao |Pratyush Ghosh | +8 more

AbstractDefect tolerance is a critical enabling factor for efficient lead-halide perovskite materials, but the current understanding is primarily on band-edge (cold) carriers, with significant debate over whether hot carriers can also exhibit defect tolerance. Here, this important gap in the field is addressed by investigating how intentionally-introduced traps affect hot carrier relaxation in CsPbX3 nanocrystals (X = Br, I, or mixture).

Mar 13, 2024 | nature.com | Hwan-Hee Cho |Daniel G. Congrave |Alexander J. Gillett |Stephanie Montanaro |Junzhi Ye |Marc Etherington | +8 more

AbstractHyperfluorescence shows great promise for the next generation of commercially feasible blue organic light-emitting diodes, for which eliminating the Dexter transfer to terminal emitter triplet states is key to efficiency and stability. Current devices rely on high-gap matrices to prevent Dexter transfer, which unfortunately leads to overly complex devices from a fabrication standpoint.

Feb 23, 2024 | nature.com | Junzhi Ye |Aobo Ren |Linjie Dai |Tomi K. Baikie |Renjun Guo |Sebastian Gorgon | +16 more

AbstractPolarized light is critical for a wide range of applications, but is usually generated by filtering unpolarized light, which leads to substantial energy losses and requires additional optics. Here we demonstrate the direct emission of linearly polarized light from light-emitting diodes made of CsPbI3 perovskite nanoplatelet superlattices.