Experimental study demonstrates tuning of amplified spontaneous emission in hybrid perovskites via microstructured acrylic substrates, highlighting a cost-effective route for lasing devices.
Hybrid perovskite materials have been considered as ideal candidates for next-generation light-emitting devices because of their highly desired optoelectronic properties. In light-emitting applications, especially for lasing, the emission wavelength is an important parameter. Herein, we report a simple method to prepare acrylic polymer substrates with microstructures; the hybrid perovskite materials can be deposited on such substrates via a traditional spin-coating process. It is experimentally demonstrated that the amplified spontaneous emission (ASE) of hybrid perovskite can be manipulated by the micro-structured polymer substrates. The manipulation is proved to be a result of optical interaction between the light-emission and the structured polymer substrates. This work provides a novel and cost-effective approach to tune the ASE emission of hybrid perovskite materials.
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Jia et al. (2026) studied this question.
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