Semi‐Transparent, Micrometer Resolution p‐NiO/n‐ZnO Heterojunction Diode Temperature Sensors with Ultrathin Metal Anode

Various temperature sensitive biological mechanisms have been utilized for new biomedical engineering tools such as neuromodulation, cancer cell hyperthermia or photothermal therapy. Optically transparent and high spatio‐temporal resolution temperature sensors are needed to precisely analyze the bio...

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Published in:Advanced materials technologies 2022-06, Vol.7 (6), p.n/a
Main Authors: Lee, Junhee, Hong, Nari, Hong, Woongki, Kim, Duhee, Hwang, Yujin, Jang, Jaewon, Kang, Hongki
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Language:English
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heterojunction diodes
temperature sensors
transparent electrodes
ultrathin metal films
wide bandgap semiconductors
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cited_by cdi_FETCH-LOGICAL-c2893-ab402cb416bb0bc3459c844c385ff313727fcbecc40be5d1313ac487c06e35203
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container_title Advanced materials technologies
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creator Lee, Junhee
Hong, Nari
Hong, Woongki
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Jang, Jaewon
Kang, Hongki
description Various temperature sensitive biological mechanisms have been utilized for new biomedical engineering tools such as neuromodulation, cancer cell hyperthermia or photothermal therapy. Optically transparent and high spatio‐temporal resolution temperature sensors are needed to precisely analyze the biological effects that occur in response to the temperature changes. In this work, semi‐transparent p‐NiO/n‐ZnO heterojunction diode‐based temperature sensors with 100 µm‐diameter ultrathin transparent Au/Ag metal anodes is introduced. The fabricated diode temperature sensors accurately measure temperature changes from 25 to 80 °C, which is of significant interest in many biomedical engineering applications. The sensors also exhibit adequate transparency over the entire visible light spectrum for biomedical imaging including fluorescent microscopy. Low‐power operation of the temperature sensor (
doi_str_mv 10.1002/admt.202100923
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subjects heterojunction diodes
temperature sensors
transparent electrodes
ultrathin metal films
wide bandgap semiconductors
title Semi‐Transparent, Micrometer Resolution p‐NiO/n‐ZnO Heterojunction Diode Temperature Sensors with Ultrathin Metal Anode
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