Uncooled self-powered hemispherical biomimetic pit organ for mid- to long-infrared imaging-Reference-Cited by-同舟云学术

Uncooled self-powered hemispherical biomimetic pit organ for mid- to long-infrared imaging

Published:2022-09-02 Issue:35 Volume:8 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Ding Yucheng¹²³⁴^ORCID,Liu Gongze⁵^ORCID,Long Zhenghao¹³⁴,Zhou Yu¹³⁴^ORCID,Qiu Xiao¹³⁴^ORCID,Ren Beitao¹³⁴^ORCID,Zhang Qianpeng¹³⁴^ORCID,Chi Cheng⁵^ORCID,Wan Zhu’an¹³⁴^ORCID,Huang Baoling⁵^ORCID,Fan Zhiyong¹³⁴⁶^ORCID

Affiliation:

1. Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

2. Microelectronics Thrust, The Hong Kong University of Science and Technology (Guangzhou), Nansha, Guangzhou, Guangdong, China.

3. State Key Laboratory of Advanced Displays and Optoelectronics Technologies, HKUST, Clear Water Bay, Kowloon, Hong Kong SAR, China.

4. Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology, , HKUST, Clear Water Bay, Kowloon, Hong Kong SAR, China.

5. Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

6. Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China.

Abstract

Infrared vision is highly desirable for applications in multifarious fields. Of the few species with this visual capability, snakes have exceptional infrared perception with the assistance of pit organs. Inspired by the pit organ design we present here a hemispherical biomimetic infrared imaging device. The devices use high-density ionic thermoelectric polymer nanowire arrays that serve as the sensing nerve cells. The individual nanowires exhibit notable voltage response to temperature variation in test objects. An infrared sensor array with 625 pixels on the hemispherical substrate is successfully demonstrated with an ultrawide field of view up to 135°. The device can image body temperature objects without a cooling system and external power supply. This work opens up opportunities for the design and fabrication of bioinspired infrared imaging devices based on emerging ionic thermoelectric materials.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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