亲爱的研友该休息了!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您度过漫漫科研夜!身体可是革命的本钱,早点休息,好梦!

Boosting the photothermal conversion efficiency of MXene film by porous wood for Light-driven soft actuators

材料科学 复合材料 执行机构 多孔性 图层(电子) 双层 光热效应 化学工程 纳米技术 光热治疗 化学 生物化学 电气工程 工程类
作者
Daotong Zhang,Kai Yang,Xinyi Liu,Min Luo,Zhao Li,Chaozheng Liu,Min Li,Weimin Chen,Xiaoyan Zhou
出处
期刊:Chemical Engineering Journal [Elsevier BV]
卷期号:450: 138013-138013 被引量:41
标识
DOI:10.1016/j.cej.2022.138013
摘要

• Natural wood-based light-driven soft actuator is proposed for the first time. • Porous structure in wood greatly improves the exposed area of MXene to light. • A finite element simulation is presented to guide the accurate control of the devices. Ti 3 C 2 T x (a typical MXene) has been widely used in light-driven actuators due to its outstanding photothermal conversion capability. However, the response speed of these actuators is always slow because the effective irradiated area is limited to their surface. Herein, we propose a wood-based composite material which is made by coating Ti 3 C 2 T x on delignified wood (DW). The high porosity of DW leads to high loading of Ti 3 C 2 T x and provides large irradiated areas, thus enhancing photothermal conversion efficiency. The delignification on wood can expose cellulose with highly hydrophilic surface for rapid diffusion of Ti 3 C 2 T x suspension, and the hydroxy in cellulose can act as binding sites to form stable combination with Ti 3 C 2 T x . Taking advantage of the good compressibility of DW, a simple densification is conducted on TDW (Ti 3 C 2 T x /DW) to greatly shorten the distance between adjacent oxygen-enriched Ti 3 C 2 T x nanosheets, enhancing the conjugation among nanosheets, thus endowing TDW with good flexibility and high heat transfer efficiency. Moreover, we manufacture a light-driven bilayer actuator comprised of TDW as the passive layer and low-density polyethylene (LDPE) as the active layer. Our light-driven actuator exhibits a tremendous angle variation of 160° at a light intensity of 120 mW/cm 2 . A series of devices based on the TDW/LDPE actuator are demonstrated, including simulated gestures, a four-finger soft gripper, and a bionic flower. Moreover, we propose a light-controlled smart switch which can be used on non-contact (COVID-19) or dangerous (blasting) occasions. Additionally, we present a finite element simulation to predict the bending deformation, which guides the accurate control of the devices.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
sss发布了新的文献求助10
1秒前
4秒前
jessica完成签到,获得积分10
5秒前
aowulan完成签到 ,获得积分10
7秒前
jessica发布了新的文献求助10
9秒前
10秒前
Sid完成签到,获得积分0
14秒前
可久斯基完成签到 ,获得积分10
17秒前
Rjy完成签到 ,获得积分10
20秒前
华仔应助zhoux采纳,获得10
24秒前
兴奋的故事完成签到,获得积分10
25秒前
28秒前
28秒前
Ansaista发布了新的文献求助10
31秒前
Tony完成签到,获得积分10
32秒前
32秒前
夏蓉完成签到,获得积分10
34秒前
Cain发布了新的文献求助10
36秒前
38秒前
enli完成签到,获得积分10
39秒前
Ansaista完成签到,获得积分10
40秒前
南笺完成签到 ,获得积分10
45秒前
coc发布了新的文献求助10
49秒前
斯文败类应助研友_qZ6V1Z采纳,获得10
54秒前
Baraka完成签到,获得积分10
57秒前
Cao完成签到 ,获得积分10
57秒前
xie完成签到 ,获得积分10
1分钟前
zzz完成签到,获得积分10
1分钟前
1分钟前
刘明坤完成签到 ,获得积分10
1分钟前
1分钟前
1分钟前
zhoux发布了新的文献求助10
1分钟前
1分钟前
上官若男应助ceeray23采纳,获得20
1分钟前
研友_qZ6V1Z发布了新的文献求助10
1分钟前
1分钟前
星辰大海应助towerman采纳,获得10
1分钟前
xutong de完成签到,获得积分10
1分钟前
qpp完成签到,获得积分10
1分钟前
高分求助中
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3990012
求助须知:如何正确求助?哪些是违规求助? 3532049
关于积分的说明 11256153
捐赠科研通 3270925
什么是DOI,文献DOI怎么找? 1805123
邀请新用户注册赠送积分活动 882270
科研通“疑难数据库(出版商)”最低求助积分说明 809216