2022
DOI: 10.1002/advs.202203776
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Designing Inorganic Semiconductors with Cold‐Rolling Processability

Abstract: While metals can be readily processed and reshaped by cold rolling, most bulk inorganic semiconductors are brittle materials that tend to fracture when plastically deformed. Manufacturing thin sheets and foils of inorganic semiconductors is therefore a bottleneck problem, severely restricting their use in flexible electronics applications. It was recently reported that a few singlecrystalline two-dimensional van der Waals (vdW) semiconductors, such as InSe, are deformable under compressive stress. Here we demo… Show more

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Cited by 7 publications
(2 citation statements)
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“…Since 2018, a series of inorganic semiconductors, such as Ag 2 S [8] as well as Ag 2 (S, Se, Te) alloys [9][10][11][12] and 2D van der Waals (vdW) crystals of InSe [13,14] and others, [15][16][17] have been found to exhibit exceptional plastic deformability at room temperature, demonstrating that plasticity/ductility can be a crucial property of inorganic nonmetallic materials. High plasticity enables high-efficiency and low-cost manufacturing techniques (e.g., roller pressing, drawing, and forging) for various geometries with minimal fracture or waste.…”
Section: Introductionmentioning
confidence: 99%
“…Since 2018, a series of inorganic semiconductors, such as Ag 2 S [8] as well as Ag 2 (S, Se, Te) alloys [9][10][11][12] and 2D van der Waals (vdW) crystals of InSe [13,14] and others, [15][16][17] have been found to exhibit exceptional plastic deformability at room temperature, demonstrating that plasticity/ductility can be a crucial property of inorganic nonmetallic materials. High plasticity enables high-efficiency and low-cost manufacturing techniques (e.g., roller pressing, drawing, and forging) for various geometries with minimal fracture or waste.…”
Section: Introductionmentioning
confidence: 99%
“…Enlightened by the features of InSe, the combination of a high cleavage energy, a low slip barrier, and a small in-plane modulus is proposed as the criterion for predicting new plastically deformable 2D vdW materials. This helps filter several potentially plastic materials such as SnSe 2 , [26] CrCl 3 , [17] CrI 3 , [17] GaSe, [6,18,27] PbI 2 , [28] and CuInP 2 S 6 . [28] Very recently, considering both the interlayer and cross-layer slip and cleavage processes, Gao et al developed a high-throughput screening methodology and discovered more plastically deformable vdW crystals such as MoS 2 , GaSe, and SnSe 2 .…”
mentioning
confidence: 99%