DataVXACS NanoPaper
journal article·2023-12-26

Highly Flexible and Acid–Alkali Resistant TiN Nanomesh Transparent Electrodes for Next-Generation Optoelectronic Devices

Caitao Li, Tengfei Qiu, Cong Li, Baoyuan Cheng, Mingliang Jin, Guofu Zhou, Michael Giersig, Xin Wang, Jinwei Gao, Eser Metin Akinoglu

ACS Nano· Volume 17· Issue 24
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Source abstract

Abstract

Transparent electrodes are vital for optoelectronic devices, but their development has been constrained by the limitations of existing materials such as indium tin oxide (ITO) and newer alternatives. All face issues of robustness, flexibility, conductivity, and stability in harsh environments. Addressing this challenge, we developed a flexible, low-cost titanium nitride (TiN) nanomesh transparent electrode showcasing exceptional acid-alkali resistance. The TiN nanomesh electrode, created by depositing a TiN coating on a naturally cracked gel film substrate via a sputtering method, maintains a stable electrical performance through thousands of bending cycles. It exhibits outstanding chemical stability, resisting strong acid and alkali corrosion, which is a key hurdle for current electrodes when in contact with acidic/alkaline materials and solvents during device fabrication. This, coupled with superior light transmission and conductivity (88% at 550 nm with a sheet resistance of ∼200 Ω/sq), challenges the reliance on conventional materials. Our TiN nanomesh electrode, successfully applied in electric heaters and electrically controlled thermochromic devices, offers broad potential beyond harsh environment applications. It enables alternative possibilities for the design and fabrication of future optoelectronics for advancements in this pivotal field.
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Research context

Metals & alloysNanomaterialsElectronic materials

OpenAlex topics: ZnO doping and properties · Advanced Sensor and Energy Harvesting Materials · Nanomaterials and Printing Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, People’s Republic of China

International Academy of Optoelectronics at Zhaoqing, South China Normal University, Zhaoqing 526238, Guangdong, People’s Republic of China

Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia

Institute for Advanced Materials and Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Academy of Advanced Optoelectronics, South China Normal University Guangzhou 510006, People’s Republic of China

Institute of Fundamental Technological Research, Polish Academy of Sciences, 02-106 Warsaw, Poland

Funding

Science and Technology Planning Project of Guangdong Province · Changjiang Scholar Program, Ministry of Education · Basic and Applied Basic Research Foundation of Guangdong Province · Guangzhou Municipal Science and Technology Project · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · National Center for International Research on Green Optoelectronics, South China Normal University · Key Laboratory of the Ministry of Education on Optoelectronic Information Technology, Tianjin University · Guangdong Provincial Key Laboratory of Optical Information Materials and Technology · International Laboratory for Optical Information Technologies, Ministry of Education of the People's Republic of China

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