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Microstructural Control of Soluble Acene Crystals for Field-Effect Transistor Gas Sensors.

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Title: Microstructural Control of Soluble Acene Crystals for Field-Effect Transistor Gas Sensors.
Authors: Lee, Jung Hun1,2 (AUTHOR) charmingh2@snu.ac.kr, Chun, Jeong Hwan2 (AUTHOR), Chung, Hyun-Jong3 (AUTHOR) hjchung@konkuk.ac.kr, Lee, Wi Hyoung2,4 (AUTHOR) whlee78@konkuk.ac.kr
Source: Nanomaterials (2079-4991). Aug2022, Vol. 12 Issue 15, p2564-2564. 17p.
Subjects: Gas detectors, Field-effect transistors, Crystal grain boundaries, Crystals, Semiconductor defects, Polymer blends, Organic field-effect transistors
Abstract: Microstructural control during the solution processing of small-molecule semiconductors (namely, soluble acene) is important for enhancing the performance of field-effect transistors (FET) and sensors. This focused review introduces strategies to enhance the gas-sensing properties (sensitivity, recovery, selectivity, and stability) of soluble acene FET sensors by considering their sensing mechanism. Defects, such as grain boundaries and crystal edges, provide diffusion pathways for target gas molecules to reach the semiconductor-dielectric interface, thereby enhancing sensitivity and recovery. Representative studies on grain boundary engineering, patterning, and pore generation in the formation of soluble acene crystals are reviewed. The phase separation and microstructure of soluble acene/polymer blends for enhancing gas-sensing performance are also reviewed. Finally, flexible gas sensors using soluble acenes and soluble acene/polymer blends are introduced, and future research perspectives in this field are suggested. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Microstructural Control of Soluble Acene Crystals for Field-Effect Transistor Gas Sensors.
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  Data: <searchLink fieldCode="AR" term="%22Lee%2C+Jung+Hun%22">Lee, Jung Hun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> charmingh2@snu.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Chun%2C+Jeong+Hwan%22">Chun, Jeong Hwan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chung%2C+Hyun-Jong%22">Chung, Hyun-Jong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> hjchung@konkuk.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Wi+Hyoung%22">Lee, Wi Hyoung</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)<i> whlee78@konkuk.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Aug2022, Vol. 12 Issue 15, p2564-2564. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Gas+detectors%22">Gas detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Field-effect+transistors%22">Field-effect transistors</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+grain+boundaries%22">Crystal grain boundaries</searchLink><br /><searchLink fieldCode="DE" term="%22Crystals%22">Crystals</searchLink><br /><searchLink fieldCode="DE" term="%22Semiconductor+defects%22">Semiconductor defects</searchLink><br /><searchLink fieldCode="DE" term="%22Polymer+blends%22">Polymer blends</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+field-effect+transistors%22">Organic field-effect transistors</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Microstructural control during the solution processing of small-molecule semiconductors (namely, soluble acene) is important for enhancing the performance of field-effect transistors (FET) and sensors. This focused review introduces strategies to enhance the gas-sensing properties (sensitivity, recovery, selectivity, and stability) of soluble acene FET sensors by considering their sensing mechanism. Defects, such as grain boundaries and crystal edges, provide diffusion pathways for target gas molecules to reach the semiconductor-dielectric interface, thereby enhancing sensitivity and recovery. Representative studies on grain boundary engineering, patterning, and pore generation in the formation of soluble acene crystals are reviewed. The phase separation and microstructure of soluble acene/polymer blends for enhancing gas-sensing performance are also reviewed. Finally, flexible gas sensors using soluble acenes and soluble acene/polymer blends are introduced, and future research perspectives in this field are suggested. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/nano12152564
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      – Code: eng
        Text: English
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        PageCount: 17
        StartPage: 2564
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      – SubjectFull: Gas detectors
        Type: general
      – SubjectFull: Field-effect transistors
        Type: general
      – SubjectFull: Crystal grain boundaries
        Type: general
      – SubjectFull: Crystals
        Type: general
      – SubjectFull: Semiconductor defects
        Type: general
      – SubjectFull: Polymer blends
        Type: general
      – SubjectFull: Organic field-effect transistors
        Type: general
    Titles:
      – TitleFull: Microstructural Control of Soluble Acene Crystals for Field-Effect Transistor Gas Sensors.
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            NameFull: Lee, Jung Hun
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            NameFull: Chun, Jeong Hwan
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            NameFull: Chung, Hyun-Jong
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            NameFull: Lee, Wi Hyoung
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            – D: 01
              M: 08
              Text: Aug2022
              Type: published
              Y: 2022
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              Value: 12
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            – TitleFull: Nanomaterials (2079-4991)
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