Article
Materials Science, Ceramics
Sathish, Habibuddin Shaik, K. Naveen Kumar, R. Imran Jafri, Ashok G. Reddy, Sheik Abdul Sattar
Summary: This study prepared Aluminum doped Zinc Oxide (AZO) thin films with different concentrations of Al2O3, analyzing their optical and electrical properties. It was found that a 3% Al2O3 content led to a significant decrease in resistivity, while 7% resulted in a noticeable decrease in optical transmittance. The increase in Al2O3 content was observed to lead to higher carrier concentration and mobility, as well as a decreasing bandgap of the films.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Multidisciplinary
Hyeonwook Park, Salh Alhammadi, Vasudeva Reddy Minnam Reddy, Chinho Park, Woo Kyoung Kim
Summary: This study analyzed the microstructure and performance of Al-doped zinc oxide (AZO) films fabricated by magnetron sputtering and their effects on different types of CIGS solar cells. The results showed a correlation between the characteristics of CIGS absorber and the deposition temperature of the AZO layer.
Article
Green & Sustainable Science & Technology
Ali Altuntepe, Mehmet Ali Olgar, Serkan Erkan, Onur Hasret, Ahmet Emin Kececi, Gamze Kokbudak, Murat Tomakin, Ayse Seyhan, Rasit Turan, Recep Zan
Summary: This study utilized a hybrid TCO structure composed of AZO and graphene to enhance the performance of silicon-based solar cells. The presence of graphene was found to improve cell efficiency significantly, with an increase of about 7-12% observed in different configurations.
Article
Energy & Fuels
Philipp Schmid, Winfried Wolke, Henning Nagel, Leonard Tutsch, Vasileios Georgiou-Sarlikiotis, Anamaria Steinmetz, Sebastian Pingel, Jochen Rentsch, Martin Hermle, Martin Bivour
Summary: This article discusses the reduction of indium consumption in bifacial rear emitter n-type silicon heterojunction (SHJ) solar cells by replacing indium tin oxide (ITO) with aluminum doped zinc oxide (AZO). The study shows that AZO has a smaller band gap compared to ITO, resulting in a lower short circuit current density (J(SC)) for AZO-based cells. However, by using ITO-a-Si-AZO-ITO(Ag) stacks, comparable efficiency to pure ITO cells can be achieved while saving about 50% of ITO.
IEEE JOURNAL OF PHOTOVOLTAICS
(2023)
Article
Chemistry, Physical
Jnanraj Borah, Bimal K. Sarma
Summary: The rising level of environmental pollution is a global concern. Infrared photocatalysis is a new concept that utilizes solar radiation in the near infrared (NIR) region. Al-doped ZnO (AZO) is a non-toxic material used as a transparent conducting oxide. By using pulsed DC/DC magnetron sputtering, a TCO-metal framework called AZO-Ag@AZO nanocomposite is developed.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Diederik Depla
Summary: To adapt to the current trend of studying chemically complex materials, various strategies have been developed to enhance the flexibility of depositing these materials through magnetron sputtering. Sputtering from loosely packed powders as target material, while easy to produce any target composition, faces drawbacks such as low thermal conductivity and impurities that must be considered. Specific aspects like sputter yield and angular distribution of sputtered atoms for powder targets are discussed in comparison to alternative methods for depositing complex thin films.
Article
Chemistry, Physical
Jianqiang Wang, Chuncai Meng, Huan Liu, Yunfei Hu, Lei Zhao, Wenjing Wang, Xixiang Xu, Yongzhe Zhang, Hui Yan
Summary: This study compared different transparent conductive oxide structures for solar cells and found that with careful control of deposition conditions, certain structures could effectively improve the performance of solar cells.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Jnanraj Borah, Bimal K. Sarma
Summary: In this study, high-quality Al-doped ZnO (AZO) transparent conductors were produced by pulsed direct current (DC) magnetron sputtering under varied process conditions. The films showed stable and excellent electro-optical properties, with sheet resistance below 5 X/sq. and maximum visible light transmittance close to 90% under optimized conditions. The combination of low electrical resistivity and high optical transparency highlights the potential of AZO films as a replacement for ITO.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Lucie Finck, Martin Oestreich
Summary: This article presents a general strategy for the synthesis of azobenzenes through an unprecedented C(sp(2))-N(sp(2)) cross-coupling reaction, using masked diazenes and aryl bromides. The reaction allows for the efficient preparation of azoarenes decorated with two aryl groups, with no loss of dinitrogen.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Materials Science, Multidisciplinary
Claudia Campos, Natalia Herguedas, Enrique Carretero
Summary: This research determined the optimal conditions for depositing thin silver layers in low-emissivity coatings. The study found that lower power and higher argon flow led to higher transmittance and lower emissivity. The research also emphasized the importance of silver thickness in coating properties.
Article
Materials Science, Multidisciplinary
E. Chitanu
Summary: Al-doped ZnO thin films were prepared by RF magnetron sputtering technique, with ceramic target ZnO:Al2O3 (98:2 wt. %) and RF powers ranging from 100 W to 200 W. The film deposited at 200 W exhibited the best TCO properties, including low electrical resistivity, high charge mobility, and high transparency in the visible range.
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Iulian Iordache, Arcadie Sobetkii, Catalin Vitelaru, Elena Chitanu, Cristina Antonela Banciu, Gabriela Iosip, Virgil Marinescu, Gabriela Sbarcea, Leila Acmola, Valentina Capatina
Summary: This study aimed to obtain Al-doped ZnO thin films with controllable properties through RF magnetron sputtering deposition and H-2 post-annealing treatment. The AZO thin film deposited for 6 hours at a power density of about 7.5 W/cm(2) exhibited the best TCO properties.
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
(2022)
Article
Materials Science, Ceramics
Xiaokai Liu, Benshuang Sun, Xueyun Zeng, Zhongheng Zuo, Wenyu Zhang, Zhijun Wang, Chaofei Liu, Lijia Chen, Yongchun Shu, Yang Liu, Jilin He
Summary: High solid content and low viscosity slurry of aluminum-doped zinc oxide (AZO) and zinc oxide (ZnO) were prepared by milling. A new pressure slip casting technology was used to produce green compacts. The activation energies for densification and grain growth of AZO and ZnO were calculated by the MSC method. The two-step sintering method was used to optimize the sintering process of AZO targets, resulting in targets with a relative density of 99.8% and a grain size of 3.89 μm.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Electrical & Electronic
Yuzhi Li, Shiben Hu, Chan Guo, Siting Chen, Jiantai Wang, Shenghan Zou, Zhangxu Pan, Yue Zhou, Linfeng Lan, Zheng Gong
Summary: In this study, we proposed a method to fabricate sputtered metal-oxide thin-film transistors (TFTs) using solution-processed film targets. The sputter-prepared TFTs based on solution-processed film targets showed superior performance compared to conventional solution-processed counterparts. This method also demonstrated the potential of using solution-processed film targets to fabricate a wide range of sputtered metal-oxide TFTs.
IEEE ELECTRON DEVICE LETTERS
(2023)
Article
Materials Science, Ceramics
Samir Hamrit, Kamal Djessas, Kahina Medjnoun, Idris Bouchama, Mohammad Alam Saeed
Summary: RF-magnetron sputtering was used to deposit VZO nanostructured thin films on flexible PEN substrates at room temperature. The thin films with 2% vanadium content showed the lowest resistivity and a Hall mobility of 10.62 cm(2) V-1 s(-1). These nanostructured thin films exhibit over 70% transmission in the visible region and have potential applications in electronic and optoelectronic devices.
CERAMICS INTERNATIONAL
(2021)
