| Autor: |
Rei Shiwaku, Hiroyuki Matsui, Yuki Hommura, Yasunori Takeda, Kuniaki Nagamine, Shizuo Tokito |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
Advanced Electronic Materials, Vol 9, Iss 11, Pp n/a-n/a (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2199-160X |
| DOI: |
10.1002/aelm.202300396 |
| Popis: |
Abstract Integration of organic thin‐film transistor (OTFT) devices with a wireless data transmission system such as 2.4‐GHz Bluetooth low energy (BLE) is a significant requirement for activating the Internet of Thing (IoT) ecosystem based on a vast number of sensors, while conventional OTFT circuits have problems with their high output impedance and the need for multiple power supplies. Here, a wireless, real‐time, and flexible sodium ion sensing system composed of a printed Na+ sensor, printed OTFT‐based amplifiers, inorganic passive elements, a BLE module, and a 3‐V sheet‐type battery is demonstrated. The printed organic amplifier circuits based on dual threshold technology and dual‐gate structure are combinable with a BLE module because of their low output impedance of 50 kΩ and operate with 3‐V single supply as well as improving operational stability under illumination. The sensitivity to Na+ concentration is improved from 53.7 to 242.5 mV dec−1 (4.5 times higher) by the OTFT‐based amplifier, and the data is transmitted in real‐time to a tablet via the BLE wireless communication. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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