Highly Transparent and Surface-Plasmon-Enhanced Visible-Photodetector Based on Zinc Oxide Thin-Film Transistors with Heterojunction Structure.

Cheng-Jyun Wang, Hsin-Chiang You, Kuan Lin, Jen-Hung Ou, Keng-Hsien Chao, Fu-Hsiang Ko

Abstract read

In one paragraph

Article in Materials (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Understanding the Role of Temperature and Drain Current Stress in InSnZnO TFTs with Various Active Layer Thicknesses.Nanomaterials (Basel, Switzerland) · 2020
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6 authors.

Cheng-Jyun WangDepartment of Materials Science and Engineering, National Chiao-Tung University, 1001 University Rd., Hsinchu 30010, Taiwan.

Hsin-Chiang YouDepartment of Electronic Engineering, National Chin-Yi University of Technology, No. 57, Sec. 2, Zhongshan Rd., Taiping Dist., Taichung 41170, Taiwan.

Kuan LinDepartment of Materials Science and Engineering, National Chiao-Tung University, 1001 University Rd., Hsinchu 30010, Taiwan.

Jen-Hung OuDepartment of Materials Science and Engineering, National Chiao-Tung University, 1001 University Rd., Hsinchu 30010, Taiwan.

Keng-Hsien ChaoDepartment of Materials Science and Engineering, National Chiao-Tung University, 1001 University Rd., Hsinchu 30010, Taiwan.

Fu-Hsiang KoDepartment of Materials Science and Engineering, National Chiao-Tung University, 1001 University Rd., Hsinchu 30010, Taiwan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Highly transparent zinc oxide (ZnO)-based thin-film transistors (TFTs) with gold nanoparticles (AuNPs) capable of detecting visible light were fabricated through spray pyrolysis on a fluorine-doped tin oxide substrate. The spray-deposited channel layer of ZnO had a thickness of approximately 15 nm, and the thickness exhibited a linear increase with an increasing number of sprays. Furthermore, the ZnO thin-film exhibited a markedly smoother channel layer with a significantly lower surface roughness of 1.84 nm when the substrate was 20 cm from the spray nozzle compared with when it was 10 cm away. Finally, a ZnO and Au-NP heterojunction nanohybrid structure using plasmonic energy detection as an electrical signal, constitutes an ideal combination for a visible-light photodetector. The ZnO-based TFTs convert localized surface plasmon energy into an electrical signal, thereby extending the wide band-gap of materials used for photodetectors to achieve visible-light wavelength detection. The photo-transistors demonstrate an elevated on-current with an increase of the AuNP density in the concentration of 1.26, 12.6, and 126 pM and reach values of 3.75, 5.18, and 9.79 × 10

Indexed as

gold-nanoparticlesphototransistorsplasmonic energy detectionspray pyrolysiszinc oxide-based thin-film transistors

Identifiers

PMID31694214

DOI10.3390/ma12213639

PMCPMC6862527

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.