All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors

In this work, transparent, stable coplanar top-gate thin film transistors (TFTs) with an active layer of neodymium-doped indium oxide and zinc oxide (Nd-IZO) were successfully fabricated on a glass substrate by all sputtering processes. The devices with a post-annealing temperature of 400 °C...

Full description

Bibliographic Details
Main Authors: Jianqiu Chen, Xiuqi Huang, Qunjie Li, Zhiqiang Fang, Honglong Ning, Ruiqiang Tao, Hongfu Liang, Yicong Zhou, Rihui Yao, Junbiao Peng
Format: Article
Language:English
Published: MDPI AG 2018-12-01
Series:Applied Sciences
Subjects:
Online Access:http://www.mdpi.com/2076-3417/9/1/83
_version_ 1828845957690687488
author Jianqiu Chen
Xiuqi Huang
Qunjie Li
Zhiqiang Fang
Honglong Ning
Ruiqiang Tao
Hongfu Liang
Yicong Zhou
Rihui Yao
Junbiao Peng
author_facet Jianqiu Chen
Xiuqi Huang
Qunjie Li
Zhiqiang Fang
Honglong Ning
Ruiqiang Tao
Hongfu Liang
Yicong Zhou
Rihui Yao
Junbiao Peng
author_sort Jianqiu Chen
collection DOAJ
description In this work, transparent, stable coplanar top-gate thin film transistors (TFTs) with an active layer of neodymium-doped indium oxide and zinc oxide (Nd-IZO) were successfully fabricated on a glass substrate by all sputtering processes. The devices with a post-annealing temperature of 400 °C exhibited good electrical performances with a saturation mobility (μsat) of 4.25 cm2·V−1·S−1, Ion/Ioff ratio about 106, Vth of −0.97 V and SS about 0.34 V/decade. Furthermore, the devices exhibited excellent negative and positive bias stability (NBS, PBS) of only a ΔVth shift of about −0.04 V and 0.05 V after 1 h, respectively. In addition, the devices showed high transparency about 96% over the visible-light region of 400–700 nm, which indicates a great potential in transparent displays.
first_indexed 2024-12-12T21:38:14Z
format Article
id doaj.art-a15e282ce21f4fafad6e2f89bd0daffd
institution Directory Open Access Journal
issn 2076-3417
language English
last_indexed 2024-12-12T21:38:14Z
publishDate 2018-12-01
publisher MDPI AG
record_format Article
series Applied Sciences
spelling doaj.art-a15e282ce21f4fafad6e2f89bd0daffd2022-12-22T00:11:07ZengMDPI AGApplied Sciences2076-34172018-12-01918310.3390/app9010083app9010083All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film TransistorsJianqiu Chen0Xiuqi Huang1Qunjie Li2Zhiqiang Fang3Honglong Ning4Ruiqiang Tao5Hongfu Liang6Yicong Zhou7Rihui Yao8Junbiao Peng9Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaVisionox Technology Inc., Gu’an New Industry Demonstration Zone, Langfang 065500, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaState Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaInstitute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, ChinaIn this work, transparent, stable coplanar top-gate thin film transistors (TFTs) with an active layer of neodymium-doped indium oxide and zinc oxide (Nd-IZO) were successfully fabricated on a glass substrate by all sputtering processes. The devices with a post-annealing temperature of 400 °C exhibited good electrical performances with a saturation mobility (μsat) of 4.25 cm2·V−1·S−1, Ion/Ioff ratio about 106, Vth of −0.97 V and SS about 0.34 V/decade. Furthermore, the devices exhibited excellent negative and positive bias stability (NBS, PBS) of only a ΔVth shift of about −0.04 V and 0.05 V after 1 h, respectively. In addition, the devices showed high transparency about 96% over the visible-light region of 400–700 nm, which indicates a great potential in transparent displays.http://www.mdpi.com/2076-3417/9/1/83thin film transistorsstabilitytop-gateNd-IZO
spellingShingle Jianqiu Chen
Xiuqi Huang
Qunjie Li
Zhiqiang Fang
Honglong Ning
Ruiqiang Tao
Hongfu Liang
Yicong Zhou
Rihui Yao
Junbiao Peng
All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors
Applied Sciences
thin film transistors
stability
top-gate
Nd-IZO
title All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors
title_full All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors
title_fullStr All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors
title_full_unstemmed All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors
title_short All-Sputtering, High-Transparency, Good-Stability Coplanar Top-Gate Thin Film Transistors
title_sort all sputtering high transparency good stability coplanar top gate thin film transistors
topic thin film transistors
stability
top-gate
Nd-IZO
url http://www.mdpi.com/2076-3417/9/1/83
work_keys_str_mv AT jianqiuchen allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT xiuqihuang allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT qunjieli allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT zhiqiangfang allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT honglongning allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT ruiqiangtao allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT hongfuliang allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT yicongzhou allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT rihuiyao allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors
AT junbiaopeng allsputteringhightransparencygoodstabilitycoplanartopgatethinfilmtransistors