Results 51 to 60 of about 19,417 (263)

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

Advanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long, Huanyu Zhou, Jaewan Ko, Hongwei Tan, Jaemin Lim, Yanfei Zhao, Daehan Kang, Eojin Yoon, Gyeong‐Tak Go, Somin Kim, Seung‐Woo Lee, Chan‐Yul Park, Hyojun Choi, Hyeran Kim, Hyung Joong Yun, Sung Hyuk Park, Kwan Sik Park, Jeong Woo Park, Mungeun Kim, Yong Soo Cho, Ho Won Jang, Wenqiang Yang, Min Hyuk Park, Wan Ki Bae, Sebastiaan van Dijken, Joona Bang, Tae‐Woo Lee   +26 more
wiley   +1 more source

Direct Piezoelectric Coefficient Measurements of PVDF and PLLA under Controlled Strain and Stress

Proceedings, 2017
Open-circuit direct piezoelectric coefficients g31 of bi-axially stretched PVDF and chiral PLLA are reported. This measure is decisive for sensor, generator and energy harvesting applications. We use an in-situ method with contactless voltage measurement
Francois Bernard, Leticia Gimeno, Bernard Viala, Boris Gusarov, Orphee Cugat   +4 more
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Progress in Zinc Oxide‐Based Polymer Nanocomposites for Advancing Piezoelectric Energy Harvesting and Self‐Powered Devices

Macromolecular Materials and Engineering
Piezoelectric materials convert mechanical energy into electrical energy and are used as sensors, actuators, and energy harvesters in Industry 4.0.
Daphne Mary John, Pratheep Kumar Annamalai, Alireza Hosseinmardi, Sreekanth Kaduvallil Mahadeva, Kothandaraman Ramanujam, Raghuram Chetty, Rajkumar Patel, Ramanujam Brahmadesam Thoopul Srinivasa Raghava, Ashok Kumar Nanjundan   +8 more
doaj   +1 more source

Influence of Barium Titanate on Electrospun Piezoelectric and Non-Piezoelectric Polymer Nanofibers Toward Energy Harvesting Applications

Innovation of Chemistry & Materials for Sustainability
The growing demand for self-powered and flexible electronics has drawn attention to piezoelectric materials, capable of converting mechanical energy into usable electricity.
Barnali Dasgupta Ghosh, Abhijit Sanga, Sajal Nandi, Sunanda Roy   +3 more
doaj   +1 more source

Comparison of Piezoelectric and Optical Projection Imaging for Three-Dimensional In Vivo Photoacoustic Tomography

Journal of Imaging, 2019
Ultrasound sensor arrays for photoacoustic tomography (PAT) are investigated that create line projections of the pressure generated in an object by pulsed light illumination. Projections over a range of viewing angles enable the reconstruction of a three-
Robert Nuster, Günther Paltauf
doaj   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Piezoelectric properties improvement in soft membrane with wet-spinning prepared barium titanate/polyvinylidenefluoride composites fiber

Scientific Reports
Piezoelectric composite materials have demonstrated significant potential for developing high-performance wearable sensors. However, optimizing the piezoelectric output performance in polymer-based devices remains challenging due to the suboptimal ...
Xiong-Wei Lin, Prasad Gajula, Xiao-shan Luo, Mingrui Zhao, Xiao-bo Zhao, Ye Fan   +5 more
doaj   +1 more source

The promise of piezoelectric polymers

Polymer International, 2018
AbstractRecent advances provide new opportunities in the field of polymer piezoelectric materials. Piezoelectric materials provide unique insights to the fundamental understanding of the solid state. In addition, piezoelectric materials have a wide range of applications, representing billions of dollars of commercial applications.
Timothy D Usher, Kimberley R Cousins, Renwu Zhang, Stephen Ducharme   +3 more
openaire   +2 more sources

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

Advanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair, Hrisheekesh Thachoth Chandran, Karl Leo, Hans Kleemann   +3 more
wiley   +1 more source