Abstract

Halide perovskite light-emitting diodes (PeLEDs) are enticing candidates for displays and lighting. However, it remains a challenge for devices to upscale to large-area or non-planar structures with high uniformity. Recently, in <i>Nature Photonics</i>, Fan and co-workers developed perovskite quantum-wire arrays templated by porous alumina membranes to achieve highly uniform performance LEDs based on wafer-scale substrates and three-dimensional spherical structures.

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