[1] LI R, ZHOU Q, BI Y, et al. Research progress of flexible capacitive pressure sensor for sensitivity enhancement approaches［J］. Sensors and Actuators A: Physical, 2021, 321: 112425.

[2] RUTH S R A，FEIG V R，TRAN H，et al. Microengineering pressure sensor active layers for improved performance ［J］. Advanced Functional Materials， 2020， 30(39)： 2003491.

[3] JIAN M，XIA K，WANG Q，et al. Flexible and highly sensitive pressure sensors based on bionic hierarchical structures ［J］. Advanced Functional Materials，2017，27(9): 1606066.

[4] WEI Y, CHEN S, LIN Y, et al. Cu-Ag core-shell nanowires for electronic skin with a petal molded microstructure ［J］. Journal of Materials Chemistry C, 2015, 3(37): 9594-9602.

[5] WAN Y, QIU Z, HONG Y, et al. A highly sensitive flexible capacitive tactile sensor with sparse and high‐aspect‐ratio microstructures ［J］. Advanced Electronic Materials, 2018, 4(4): 1700586.

[6] QIU Z, WAN Y, ZHOU W, et al. Ionic skin with biomimetic dielectric layer templated from calathea zebrine leaf ［J］. Advanced Functional Materials, 2018, 28(37): 1802343.

[7] WANG X，GU Y，XIONG Z，et al. Silk-molded flexible, ultrasensitive, and highly stable electronic skin for monitoring human physiological signals ［J］. Advanced Materials， 2013， 26(9): 1336-1342.

[8] 李明星， 姚佳楠， 刘江， 等. 基于磨砂玻璃压印的压阻式柔性压力传感器 ［J］. 固体电子学研究与进展, 2017，41(2): 154-159.

[9] PARK S J，KIM J，CHU M，et al. Flexible piezoresistive pressure sensor using wrinkled carbon nanotube thin films for human physiological signals ［J］. Advanced Materials Technologies，2017，3(1): 1700158.

[10] BEAK S，JANG H，KIM S，et al. Flexible piezocapacitive sensors based on wrinkled microstructures:toward low-cost fabrication of pressure sensors over large areas ［J］. RSC Advances，2012， 7(63): 39420-39426.

[11] SHAO Q, NIU Z, HIRTZ M, et al. High‐performance and tailorable pressure sensor based on ultrathin conductive polymer film ［J］. Small, 2014, 10(8): 1466-1472.

[12] CHOONG C L，SHIM M B，LEE B S，et al. Highly stretchable resistive pressure sensors using a conductive elastomeric composite on a micropyramid array ［J］. Advanced Materials，2014，26(21): 3451-3458.

[13] TEE B C K，CHORTOS A，DUNN R R, et al. Tunable flexible pressure sensors using microstructured elastomer geometries for intuitive electronics ［J］. Advanced Functional Materials，2014，24(34): 5427-5434.

[14] KHALILI N，SHEN X，NAGUIB H E，et al. An interlocked flexible piezoresistive sensor with 3D micropyramidal structures for electronic skin applications ［J］. Soft Matter，2018，14(33): 6912-6920.

[15] RUTH S R A, BEKER L, TRAN H, et al. Rational design of capacitive pressure sensors based on pyramidal microstructures for specialized monitoring of biosignals ［J］. Advanced Functional Materials, 2020, 30(29): 1903100.

[16] PANG C，LEE G Y，KIM T，et al. A flexible and highly sensitive strain-gauge sensor using reversible interlocking of nanofibres ［J］. Nature Materials， 2012，11(9): 795-801.

[17] 赵秀华， 徐伟， 易旺民， 等. 基于Ag/CNTs-PDMS的高灵敏度柔性压力传感器研制及性能测试 ［J］. 航天器环境工程, 2019, 36(3): 271-277.

[18] ZHANG Y，HU Y，ZHAO T，et al. Highly sensitive flexible pressure sensor based on microstructured PDMS for wearable electronics application ［J］. 18 th International Conference on Microstructured PDMS for Wearable Electronics Application (ICEPT). 2017：853-856.

[19] CHENG W，WANG J，MA Z，et al. Flexible pressure sensor with high sensitivity and low hysteresis based on a hierarchically microstructured electrode ［J］. IEEE Electron Device Letter，2018，39(2): 288-291.

[20] LEE Y, PARK J, CHO S, et al. Flexible ferroelectric sensors with ultrahigh pressure sensitivity and linear response over exceptionally broad pressure range ［J］. ACS Nano, 2018, 12(4): 4045-4054.

[21] WANG X, GU Y, XIONG Z, et al. Silk-molded flexible, ultrasensitive, and highly stable electronic skin for monitoring human physiological signals ［J］. Advanced Materials, 2014, 26(9): 1336-1342.

[22] RYU S, LEE P, CHOU J B, et al. Extremely elastic wearable carbon nanotube fiber strain sensor for monitoring of human motion ［J］. ACS Nano, 2015, 9(6): 5929-5936.

[23] LIU H, HUANG W J, YANG X R, et al. Organic vapor sensing behaviors of conductive thermoplastic polyurethane - graphene nanocomposites ［J］. Journal of Materials Chemistry C, 2016, 4(20): 4459-4469.

[24] LI X, HUANG W, YAO G, et al. Highly sensitive flexible tactile sensors based on microstructured multiwall carbon nanotube arrays ［J］. Scripta Materialia, 2017, 129: 61-64.

[25] ZHU B，NIU Z Q，WANG H，et al. Microstructured graphene arrays for highly sensitive flexible tactile sensors ［J］. Small， 2014， 10(18): 3625-3631.

[26] PARK J, LEE Y, HONG J, et al. Giant tunneling piezoresistance of composite elastomers with interlocked microdome arrays for ultrasensitive and multimodal electronic skins ［J］. ACS Nano, 2014, 8(5): 4689-4697.

[27] MANNSFELD S C B, TEE B C K, STOLTENBERG R M, et al. Highly sensitive flexible pressure sensors with microstructured rubber dielectric layers ［J］. Nature Materials, 2010, 9(10): 859-864.

[28] PENG S, BLANLOEUIL P, WU S, et al. Rational design of ultrasensitive pressure sensors by tailoring microscopic features ［J］. Advanced Materials Interfaces, 2018, 5(18): 1800403.

[29] SHI J， WANG L， DAI Z， et al. Multiscale hierarchical design of a flexible piezoresistive pressure sensor with high sensitivity and wide linearity range ［J］. Small，2018， 14(27): 1800819.

[30] XU M, LI F, ZHANG Z, et al. Piezoresistive sensors based on rGO 3D microarchitecture: coupled properties tuning in local/integral deformation ［J］. Advanced Electronic Materials, 2019, 5(1): 1800461.

[31] YAO H B, HUANG G, CUI C H, et al. Macroscale elastomeric conductors generated from hydrothermally synthesized metal-polymer hybrid nanocable sponges ［J］. Advanced Materials, 2011, 23(32): 3643-3647.

[32] JI B, ZHOU Q, WU J, et al. Synergistic optimization toward the sensitivity and linearity of flexible pressure sensor via double conductive layer and porous microdome array ［J］. ACS Applied Materials & Interfaces, 2020, 12(27): 31021-31035.

[33] 李云霞. 基于三维多孔结构的柔性电阻式压力传感器研究 ［D］. 兰州： 兰州大学， 2022.

[34] WANG L, LOU Z, JIANG K, et al. Bio‐multifunctional smart wearable sensors for medical devices ［J］. Advanced Intelligent Systems, 2019, 1(5): 1900040.

[35] HE J, ZHANG Y, ZHOU R, et al. Recent advances of wearable and flexible piezoresistivity pressure sensor devices and its future prospects ［J］. Journal of Materiomics, 2020, 6(1): 86-101.