Article
Chemistry, Multidisciplinary
Jianpeng Liu, Wenchang Zhang, Chang Cheng, Juncheng Zhu, Tianle Wang, Kun Ni, Zifeng Lin, Zefeng Guan, Yanwu Zhu, Jiliang Zhu
Summary: This study presents a rapid reduction method for graphene oxide (GO) by bringing GO foam into contact with semi-molten metals such as tin (Sn) and lithium (Li). The electrical resistance of GO foam is significantly reduced by its interaction with these metals, even in dry air. By employing tin foil and calcination, the rGO with remarkably lower electrical resistivity is fabricated, demonstrating its potential as an electrode material for lithium-sulfur batteries.
Article
Geochemistry & Geophysics
Weikang Wan, Heying Hou, Tianxiang Li, Binghui Wang, Pengming Jiang, Aizhao Zhou
Summary: This paper investigates the effects of particle size, relative density, current frequency, and saturation on the contact resistance between calcareous sand and electrodes with different electrode spacings. The results show that the contact resistance increases with larger particle size and relative density. It decreases with increasing current frequency, and the decreasing amplitude decreases with increasing saturation. The relationship between contact resistance, current frequency, and saturation is established. The influence of contact resistance should be considered when studying the resistivity of calcareous sand using the two-electrode method, especially for samples with low saturation.
Article
Engineering, Electrical & Electronic
Chih-Yao Chang, Chun-Ta Hsu, Yao-Luen Shen, Tian-Li Wu, Wei-Hung Kuo, Suh-Fang Lin, Chih-Fang Huang
Summary: A fully transparent AlGaN/GaN HEMT (FT-HEMT) with indium-tin-oxide (ITO) as a transparent electrode was fabricated, showing high field-effect mobility and current density. The transmittance for a fabricated chip was over 70% in the visible range of 400 - 700 nm, demonstrating great potential for transparent and/or flexible electronics and optoelectronic devices.
IEEE ELECTRON DEVICE LETTERS
(2021)
Article
Nanoscience & Nanotechnology
Jeonga Lee, Cheol Hee Choi, Taikyu Kim, Jaeseok Hur, Min Jae Kim, Eun Hyun Kim, Jun Hyung Lim, Youngho Kang, Jae Kyeong Jeong
Summary: The study found that doping with hydrogen (H) into oxygen sites (HO) can significantly improve the performance of amorphous In-Ga-Zn-Sn oxide (aIGZTO) thin-film transistors (TFTs).
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Crystallography
Zhucheng Jiang, Ting Liu, Xiaoyu Zhai, Jiaxiang Liu
Summary: The experimental conditions for preparing ITO nanoparticles using the microemulsion method were optimized, and the influence from process variables on resistivity was systematically studied, resulting in the production of 60 nm ITO nanoparticles with low resistivity.
Article
Chemistry, Physical
Ting Liu, Zhucheng Jiang, Jiaxiang Liu
Summary: In this study, high-density and low-resistivity ITO targets were successfully prepared using Bi2O3-CeO2 additive at low sintering temperature. The additive reduced sintering temperature and resulted in a dense microstructure, leading to improved properties of the targets.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Physics, Condensed Matter
Chien-Yie Tsay, Yun-Chi Chen, Hsuan-Meng Tsai, Cheng-Liang Hsu
Summary: Solar-blind ultraviolet photodetectors with an amorphous zinc-tin oxide sensing layer were fabricated and the effects of asymmetry ratio of a pair of aluminum interdigitated electrodes on the photoelectrical characteristics were investigated. The experimental results showed that the photodetectors had the best responsivity and specific detectivity when the asymmetry ratio was 10:1.
PHYSICA B-CONDENSED MATTER
(2022)
Article
Electrochemistry
Jochen Politze, Stefan Scholz, Horst Windgassen, Christian Schmitz, Kaining Ding, Weiyuan Duan, Joachim Knoch
Summary: In this study, Fe electroplating is used as an initial layer for subsequent Ni and Cu plating on polished or pyramidally textured ITO-coated silicon substrates. The adhesion strength of the metal layer stack is qualitatively shown and quantified, while the electrical contact properties are measured using CTLM structures.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Materials Science, Multidisciplinary
Chao Zhang, Kewei Liu, Qiu Ai, Xuan Sun, Xing Chen, Jialin Yang, Yongxue Zhu, Zhen Cheng, Binghui Li, Lei Liu, Dezhen Shen
Summary: A fully transparent metal-semiconductor-metal (MSM) solar-blind UV photodetector with embedded indium-tin-oxide (ITO) electrodes based on Ga2O3 films was designed and constructed for the first time. The device exhibits ultra-low dark current, high rejection ratio, high specific detectivity, and large responsivity, surpassing other reported transparent UV photodetectors. The excellent solar-blind photodetection performance is attributed to the strong and uniform electrical field in β-Ga2O3 and the high quality of the films. This finding paves the way for high-performance fully transparent Ga2O3 solar-blind UV photodetectors with great potential in future transparent electronics applications.
MATERIALS TODAY PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Bhaskar Parida, Saemon Yoon, Dong-Won Kang
Summary: By using a bilayer TE consisting of ITO nanoparticles (ITO-NPs) and Ag nanowires (Ag-NWs) processed in ambient air at room temperature, superior characteristics and higher power conversion efficiency can be achieved compared to sputtered ITO. This new type of TE could pave the way for the development of low-cost, translucent solar cells with quick processing under ambient air at room temperature.
Article
Chemistry, Physical
Salih Ozbay, Nursev Erdogan, Fuat Erden, Merve Ekmekcioglu, Busra Rakop, Mehtap Ozdemir, Gulnur Aygun, Lutfi Ozyuzer
Summary: ITO, ZTO, AZO, and Ag are commonly used in multilayer thin films of transparent conducting oxide (TCO)/metal/TCO electrodes, with critical knowledge of surface free energy (SFE) being important for designing desirable TCO-based sandwich structures. Contact angle measurements of different liquids were used to evaluate the wettability properties of TCO, Ag interlayer, and TCO/Ag/TCO. The results showed that the SFE components varied depending on the TCO type, the total SFE values of TCO/Ag/TCO films were lower than TCO films, and AZO/Ag adhesion was stronger than other TCO/Ag structures.
APPLIED SURFACE SCIENCE
(2021)
Article
Optics
Enrico G. Carnemolla, Wallace Jaffray, Matteo Clerici, Lucia Caspani, Daniele Faccio, Fabio Biancalana, Clayton Devault, Vladimir M. Shalaev, Alexandra Boltasseva, Marcello Ferrera
Summary: Research shows that in the near-zero-index regime, using aluminum zinc oxide thin films can generate radiation tunable in the visible spectral region with a maximum frequency conversion efficiency of 2%. Effective idler wavelength tuning can also be achieved by operating on the temporal delay.
Article
Chemistry, Analytical
Jihun Woo, Jiwoong Kim, Joohoon Kim
Summary: In this study, we report enhanced electrochemiluminescence (ECL) using a closed bipolar electrode (BPE) system modified with catalytic Pt nanoparticles. The system demonstrated sensitive and stable ECL emission under a low driving voltage and exhibited improved sensitivity and stability for bipolar ECL imaging analysis.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Energy & Fuels
Noboru Ohashi, Ryuji Kaneko, Chikako Sakai, Yoko Wasai, Seiji Higuchi, Kenji Yazawa, Hirokazu Tahara, Taketo Handa, Tomoya Nakamura, Richard Murdey, Yoshihiko Kanemitsu, Atsushi Wakamiya
Summary: The internal stress of the indium tin oxide (ITO) layer on thin plastic substrates causes deformation of the substrate, limiting the performance of optoelectronic devices. However, using ITO bilayers composed of an amorphous base layer and a crystalline overlayer can eliminate this deformation. By optimizing the bilayer structure and canceling out the internal stresses, mixed composition metal halide perovskite solar cells with ITO electrodes were successfully fabricated on 4 μm polyethylene naphthalate films.
Article
Chemistry, Multidisciplinary
Louis L. De Taeye, Ian Teirlynck, Philippe M. Vereecken
Summary: This paper explores how electrode coatings can improve the electrochemical stability of battery cells, highlighting the use of highly electronically conductive coatings like ITO to inhibit electrolyte decomposition while maintaining ionic and electronic conduction. Experimental measurements of electrolyte decomposition kinetics are combined with a theoretical exposition on electronic band structures to explain the phenomenon.
ADVANCED FUNCTIONAL MATERIALS
(2021)
