Jo, Mansik Bae, Seunghwan Oh, Injong Jeong, Ji-hun Kang, Byungsoo Hwang, Seok Joon Lee, Seung S. Son, Hae Jung Moon, Byung-Moo Ko, Min Jae Lee, Phillip 2024-01-19T19:01:08Z 2024-01-19T19:01:08Z 2021-09-05 2019-11 1936-0851 https://pubs.kist.re.kr/handle/201004/119385 Stretchability and areal coverage of active devices are critical design considerations of stretchable or wearable photovoltaics and photodetections where high areal coverages are required. However, simultaneously maximizing both properties in conventional island-bridge structures through traditional two-dimensional manufacturing processes is difficult due to their inherent trade-offs. Here, a 3D printer-based strategy to achieve extreme system stretchability and high areal coverage through combining fused deposition modeling (FDM) and flexible conductive nanocomposites is reported. Distinguished from typical approaches of using conductive filaments for FDM which have a flexibility dilemma and conductivity trade-offs, the proposed axiomatic approach to embed a two-dimensional silver nanowire percolation network into the surfaces of flexible 3D printed structures offers sufficient conductivity and deformability as well as additional benefits of electrical junction enhancement and encapsulation of silver nanowires. Kirigami/origami-pattern-guided three-dimensional arrangements of encapsulated interconnections provide efficient control over stretchability and areal coverage. The suggested process enables a perovskite solar module with an initial areal coverage of similar to 97% to be electrically and mechanically reversible with 400% system stretchability and 25 000% interconnect stretchability under the 1000 cycle test, by folding down or hiding the origami-applied interconnects under the islands. This 3D printing strategy of potentially low cost, large size capabilities, and high speed is promising for highly flexible future energy conversion applications. English AMER CHEMICAL SOC SERPENTINE MICROSTRUCTURES CARBON NANOTUBES HIGH-PERFORMANCE ON-SKIN TRANSPARENT DESIGNS ENERGY CELLS SOFT NANOCOMPOSITES 3D Printer-Based Encapsulated Origami Electronics for Extreme System Stretchability and High Areal Coverage Article 10.1021/acsnano.9b02362 1 ACS NANO, v.13, no.11, pp.12500 - 12510 ACS NANO 13 11 12500 12510 scie scopus 000500650000026 2-s2.0-85074432072 Chemistry, Multidisciplinary Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Chemistry Science & Technology - Other Topics Materials Science Article SERPENTINE MICROSTRUCTURES CARBON NANOTUBES HIGH-PERFORMANCE ON-SKIN TRANSPARENT DESIGNS ENERGY CELLS SOFT NANOCOMPOSITES 3D printing encapsulation stretchable electronics areal coverage hidden origami fused deposition modeling