Page 102 - 《精细化工》2020年第8期

·1600· 精细化工 FINE CHEMICALS 第 37 卷

ACS Applied Materials & Interfaces, 2018, 10(38): 32640-32648.
[2] ZHANG Q, LIU X, DUAN L J, et al. Ultra-stretchable wearable
strain sensors based on skin-inspired adhesive, tough and conductive
hydrogels[J]. Chemical Engineering Journal, 2019, 365: 10-19.
[3] LI X P, LI Y, LI X F, et al. Highly sensitive, reliable and flexible
piezoresistive pressure sensors featuring polyurethane sponge coated
with mxene sheets[J]. Journal of Colloid and Interface Science, 2019,
542: 54-62.
[4] WANG L, CHEN Y, LIN L W, et al. Highly stretchable, anti-corrosive
and wearable strain sensors based on the PDMS/CNTs decorated
elastomer nanofiber composite[J]. Chemical Engineering Journal,
2019, 362: 89-98.
[5] XU H, LU Y F, XIANG J X, et al. A multifunctional wearable sensor
based on a graphene/inverse opal cellulose film for simultaneous, in
situ monitoring of human motion and sweat[J]. Nanoscale, 2018,
10(4): 2090-2098.
[6] ZHANG X H, SHENG N N, WANG L A, et al. Supramolecular
nanofibrillar hydrogels as highly stretchable, elastic and sensitive
ionic sensors[J]. Materials Horizons, 2019, 6(2): 326-333.
[7] LIPOMI D J, VOSGUERITCHIAN M, TEE B C, et al. Skin-like
pressure and strain sensors based on transparent elastic films of carbon
nanotubes[J]. Nature Nanotechnol, 2011, 6(12): 788-792.
[8] WANG Q, LING S J, LIANG X P, et al. Self-healable multifunctional
electronic tattoos based on silk and graphene[J]. Advanced Functional
Materials, 2019, 29(16): 1808695.
[9] LUO Z W (骆泽纬), TIAN X Y(田希悦), FAN J C(范基辰), et al.
a—“D”、“L”、“U”、“T”；b—“C”、“A”、“N”、“O” Novel flexible resistive sensors in the age of intelligence [J].

图 5 传感器在压缩不同字母图案后的电容变化量与结 Materials Reports (材料导报), 2020, 34(1): 1069-1079.
[10] LIAO L L (廖璐璐), GAO K P (高鲲鹏), YANG H J (杨汉嘉), et al.
构色变化图 Paper-based flexible pressure sensor array for human motion detection
Fig. 5 Capacitance and structure color change of the sensor [J]. Transducer and Microsystem Technologies (传感器与微系统),
after compressing different alphabet patterns 2019, 38(10): 57-60.
[11] WU W Z, WANG Z L. Piezotronics and piezo-phototronics for adaptive
electronics and optoelectronics[J]. Nature Reviews Materials, 2016,
3 结论 1(7): 16031.
[12] PENG J (彭军), LI J (李津), LI W (李伟), et al. Research progress
本文制备了一种基于 DGI 的光电双响应电容型 and application of flexible wearable electronic strain sensor[J]. New
Chemical Materials (化工新型材料), 2020, 48(1): 57-62.
传感器，在拉伸或压缩条件下，传感器既有稳定的 [13] SUN J Y, KEPLINGER C, WHITESIDES G M, et al. Ionic skin[J].
电容信号输出，同时利用自身结构色的颜色变化特 Advanced Materials, 2014, 26(45): 7608-7614.
[14] LEI Z Y, WU P Y. Zwitterionic skins with a wide scope of customizable
性，还可以直观地显示出发生应变的具体位置。在
functionalities[J]. ACS Nano, 2018, 12(12): 12860-12868.
拉伸应变为 100%的条件下，传感器的拉伸灵敏度约 [15] CHO S H, LEE S W, YU S, et al. Micropatterned pyramidal ionic
为 0.35，相应地在可见光区域，随着拉伸的进行， gels for sensing broad-range pressures with high sensitivity[J]. ACS
Applied Materials & Interfaces, 2017, 9(11): 10128-10135.
自身颜色可以在全可见光光谱内从红色变化到紫 [16] YIN M J, YIN Z G, ZHANG Y X, et al. Micropatterned elastic ionic
色。在经历 15000 次循环拉伸后，性能依旧保持稳 polyacrylamide hydrogel for low-voltage capacitive and organic thin-
film transistor pressure sensors[J]. Nano Energy, 2019, 58: 96-104.
定。在压缩压强为 60.9 kPa 的条件下，传感器的电 [17] HE Z F, CHEN W J, LIANG B H, et al. Capacitive pressure sensor
容变化量为 44%，其自身颜色同样可以在全可见光 with high sensitivity and fast response to dynamic interaction based
on graphene and porous nylon networks[J]. ACS Applied Materials
光谱内从红色变化到紫色。在经历 100 次循环压缩
& Interfaces, 2018, 10(15): 12816-12823.
后，表现出了良好的耐久性。这种传感器在实际使 [18] KWON D, LEE T I, SHIM J, et al. Highly sensitive, flexible, and
用中，可以检测出人体手指、手腕、膝盖以及手掌 wearable pressure sensor based on a giant piezocapacitive effect of
three-dimensional microporous elastomeric dielectric layer[J]. ACS
等人体关节运动，还可以在传感器表面显示出按压 Applied Materials & Interfaces, 2016, 8(26): 16922-16931.
的具体位置和图案。这种光电双响应应变传感器极 [19] SHUAI X T, ZHU P L, ZENG W J, et al. Highly sensitive
flexible pressure sensor based on silver nanowires-embedded
大方便了信号的读取，丰富了电容式应变传感器的 polydimethylsiloxane electrode with microarray structure[J]. ACS
使用范围。 Applied Materials & Interfaces, 2017, 9(31): 26314-26324.
[20] WAN Y B, QIU Z G, HUANG J, et al. Natural plant materials as
参考文献： dielectric layer for highly sensitive flexible electronic skin[J]. Small,
2018, 14(35): 1870161.
[1] ZHANG H X, NIU W B, ZHANG S F. Extremely stretchable, stable,
and durable strain sensors based on double-network organogels[J]. （下转第 1644 页）