Fig. 1: Strain-insensitive viscoelastic perovskite films for neuromorphic visual adaptation. | Nature Communications

Fig. 1: Strain-insensitive viscoelastic perovskite films for neuromorphic visual adaptation.

From: Strain-insensitive viscoelastic perovskite film for intrinsically stretchable neuromorphic vision-adaptive transistors

Fig. 1

a Visual adaptation mechanism of human eyes. Photoreceptors (including cones and rods) and horizontal cells together contribute to accurate representation under extreme light conditions. b Atomic force microscope (AFM) images of the neat and hybrid perovskite films with optimum QCM morphology at a ratio of 10:1 perovskite and SEBS with O2 plasma treatment on the substrate of 6 min. c Transmission electron microscope (TEM) images of the neat and optimized hybrid perovskite films. d X-ray diffraction patterns of the neat and hybrid perovskite films with different SEBS contents. e Steady state photoluminescence (PL) of the neat and hybrid perovskite films with different SEBS contents. f UV-vis absorption spectra of different photosensitive films including elastic DPP-DTT film, neat and hybrid perovskite film, and their corresponding layer heterojunctions. g Transient PL decay spectra of the initial and optimized hybrid photosensitive films onto elastic layer heterojunctions.

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