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dc.contributor.authorYi, Chenghanen_US
dc.contributor.authorHou, Yuxinen_US
dc.contributor.authorHe, Keen_US
dc.contributor.authorLi, Weiminen_US
dc.contributor.authorLi, Niancien_US
dc.contributor.authorWang, Zhongguoen_US
dc.contributor.authorYang, Bingen_US
dc.contributor.authorXu, Shudaen_US
dc.contributor.authorWang, Hengen_US
dc.contributor.authorGao, Chuanzengen_US
dc.contributor.authorWang, Zhengyanen_US
dc.contributor.authorGu, Guoqiangen_US
dc.contributor.authorWang, Zhixunen_US
dc.contributor.authorWei, Leien_US
dc.contributor.authorYang, Chunleien_US
dc.contributor.authorChen, Mingen_US
dc.identifier.citationYi, C., Hou, Y., He, K., Li, W., Li, N., Wang, Z., Yang, B., Xu, S., Wang, H., Gao, C., Wang, Z., Gu, G., Wang, Z., Wei, L., Yang, C. & Chen, M. (2020). Highly sensitive and wide linear-response pressure sensors featuring zero standby power consumption under bending conditions. ACS Applied Materials and Interfaces, 12(17), 19563-19571.
dc.description.abstractThe ability of a flexible pressure sensor to possess zero power consumption in standby mode, high sensitivity, and wide linear-response range is critical in real flexible matrix-based scenes. However, when the conventional flexible pressure sensors are attached on a curved surface, a pseudosignal response is generated because of the normal stress, resulting in a short linear-response range. Here, a flexible piezoresistive pressure sensor with high performance, zero standby power consumption is demonstrated. The flexible pressure sensor is fabricated from polydimethylsiloxane (PDMS)/carbon black (CB), patterned polyimide (PI) spacer layer, and laser-induced graphene (LIG) interdigital electrodes. Benefiting from the hierarchical structure and sufficient roughness of PDMS/CB and LIG interdigital electrodes, the proposed pressure sensors (PDMS/CB/PI/LIG) exhibit high sensitivity (43 kPa-1), large linear-response range (0.4-13.6 kPa), fast response (<40 ms), and long-term cycle stability (>1800 cycles). The resulting pressure sensor also features zero standby power consumption merit under certain bending conditions (bending angle: 0-5o). Furthermore, the effect of the hole diameter of the PI spacer layer on the performance of the pressure sensors is experimentally and theoretically investigated. As a proof of concept, a bioinspired artificial haptic neuron system has been successfully equipped to modulate the number of lit LED lights. The proposed high-performance pressure sensor has promising potential to be used in flexible and wearable electronics, especially for the applications in actual flexible matrix-based scenes.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.relation.ispartofACS Applied Materials and Interfacesen_US
dc.rights© 2020 American Chemical Society. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleHighly sensitive and wide linear-response pressure sensors featuring zero standby power consumption under bending conditionsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.subject.keywordsPressure Sensorsen_US
dc.description.acknowledgementThis work was partially supported by the National Key R&D Program of China (2018YFB1500200), Shenzhen Basic Research Grant: JCYJ20180507182431967, JCYJ20170413153246713, Shenzhen Peacock Technology Innovation Project: KQJSCX20170731165602155, the National Nature Science Foundation of China (11804354, 61574157, 61774164). The authors are also grateful for the support of Singapore Ministry of Education Academic Research Fund Tier 2 (MOE2015-T2-2-010), and Singapore Ministry of Education Academic Research Fund Tier 1 (MOE2019-T1-001-103).en_US
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