A biomimetic eye with a hemispherical perovskite nanowire array retina
Abstract
Human eyes possess exceptional image-sensing characteristics such as an extremely wide field of view, high resolution and sensitivity with low aberration1. Biomimetic eyes with such characteristics are highly desirable, especially in robotics and visual prostheses. However, the spherical shape and the retina of the biological eye pose an enormous fabrication challenge for biomimetic devices2,3. In this paper, we present an electrochemical eye with a hemispherical retina made of a high-density array of nanowires mimicking the photoreceptors on a human retina. The device design has a high degree of structural similarity to a human eye with the potential to achieve high imaging resolution when individual nanowires are electrically addressed. Additionally, we demonstrate the image-sensing function of our biomimetic device by reconstructing the optical patterns projected onto the device. This work may lead to biomimetic photosensing devices that could find use in a wide spectrum of technological applications.
- Authors:
-
[3];
[1]
- Hong Kong Univ. of Science and Technology, Hong Kong (China). Dept. of Electronic and Computer Engineering
- Hong Kong Univ. of Science and Technology, Hong Kong (China). Dept. of Electronic and Computer Engineering; Univ. of California, Berkeley, CA (United States). Dept. of Electrical Engineering and Computer Sciences
- Univ. of California, Berkeley, CA (United States). Dept. of Electrical Engineering and Computer Sciences; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Natural Science Foundation of China (NSFC); Science & Technology Plan of Shenzhen; Hong Kong Research Grant Council; Hong Kong Innovation Technology Commission
- OSTI Identifier:
- 1639007
- Grant/Contract Number:
- AC02-05CH11231; 51672231; JCYJ20170818114107730; 16237816; 16309018; ITS/115/18
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature (London)
- Additional Journal Information:
- Journal Name: Nature (London); Journal Volume: 581; Journal Issue: 7808; Journal ID: ISSN 0028-0836
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; electrical and electronic engineering; nanosensors
Citation Formats
Gu, Leilei, Poddar, Swapnadeep, Lin, Yuanjing, Long, Zhenghao, Zhang, Daquan, Zhang, Qianpeng, Shu, Lei, Qiu, Xiao, Kam, Matthew, Javey, Ali, and Fan, Zhiyong. A biomimetic eye with a hemispherical perovskite nanowire array retina. United States: N. p., 2020.
Web. doi:10.1038/s41586-020-2285-x.
Gu, Leilei, Poddar, Swapnadeep, Lin, Yuanjing, Long, Zhenghao, Zhang, Daquan, Zhang, Qianpeng, Shu, Lei, Qiu, Xiao, Kam, Matthew, Javey, Ali, & Fan, Zhiyong. A biomimetic eye with a hemispherical perovskite nanowire array retina. United States. https://doi.org/10.1038/s41586-020-2285-x
Gu, Leilei, Poddar, Swapnadeep, Lin, Yuanjing, Long, Zhenghao, Zhang, Daquan, Zhang, Qianpeng, Shu, Lei, Qiu, Xiao, Kam, Matthew, Javey, Ali, and Fan, Zhiyong. Wed .
"A biomimetic eye with a hemispherical perovskite nanowire array retina". United States. https://doi.org/10.1038/s41586-020-2285-x. https://www.osti.gov/servlets/purl/1639007.
@article{osti_1639007,
title = {A biomimetic eye with a hemispherical perovskite nanowire array retina},
author = {Gu, Leilei and Poddar, Swapnadeep and Lin, Yuanjing and Long, Zhenghao and Zhang, Daquan and Zhang, Qianpeng and Shu, Lei and Qiu, Xiao and Kam, Matthew and Javey, Ali and Fan, Zhiyong},
abstractNote = {Human eyes possess exceptional image-sensing characteristics such as an extremely wide field of view, high resolution and sensitivity with low aberration1. Biomimetic eyes with such characteristics are highly desirable, especially in robotics and visual prostheses. However, the spherical shape and the retina of the biological eye pose an enormous fabrication challenge for biomimetic devices2,3. In this paper, we present an electrochemical eye with a hemispherical retina made of a high-density array of nanowires mimicking the photoreceptors on a human retina. The device design has a high degree of structural similarity to a human eye with the potential to achieve high imaging resolution when individual nanowires are electrically addressed. Additionally, we demonstrate the image-sensing function of our biomimetic device by reconstructing the optical patterns projected onto the device. This work may lead to biomimetic photosensing devices that could find use in a wide spectrum of technological applications.},
doi = {10.1038/s41586-020-2285-x},
journal = {Nature (London)},
number = 7808,
volume = 581,
place = {United States},
year = {Wed May 20 00:00:00 EDT 2020},
month = {Wed May 20 00:00:00 EDT 2020}
}
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