1
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Verding P, Mary Joy R, Reenaers D, Kumar RS, Rouzbahani R, Jeunen E, Thomas S, Desta D, Boyen HG, Pobedinskas P, Haenen K, Deferme W. The Influence of UV-Ozone, O 2 Plasma, and CF 4 Plasma Treatment on the Droplet-Based Deposition of Diamond Nanoparticles. ACS Appl Mater Interfaces 2024; 16:1719-1726. [PMID: 38154790 PMCID: PMC10789259 DOI: 10.1021/acsami.3c14014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/07/2023] [Accepted: 12/07/2023] [Indexed: 12/30/2023]
Abstract
Surface treatment is critical for homogeneous coating over a large area and high-resolution patterning of nanodiamond (ND) particles. To optimize the interaction between the surface of a substrate and the colloid of ND particles, it is essential to remove hydrocarbon contamination by surface treatment and to increase the surface energy of the substrate, hence improving the diamond film homogeneity upon its deposition. However, the impact of substrate surface treatment on the properties of coatings and patterns is not fully understood. This study explores the impact of UV-ozone, O2 plasma, and CF4 plasma treatments on the wetting properties of the fused silica glass substrate surface. We identify the optimal time interval between the treatment and subsequent ND coating/patterning processes, which were conducted using inkjet printing and ultrasonic spray coating techniques. Our results showed that UV-ozone and O2 plasma resulted in hydrophilic surfaces, while CF4 plasma treatment resulted in hydrophobic surfaces. We demonstrate the use of CF4 plasma treatment before inkjet printing to generate high-resolution patterns with dots as small as 30 μm in diameter. Ultrasonic spray coating showed homogeneous coatings after using UV-ozone and O2 plasma treatment. The findings of this study provide valuable insights into the hydrocarbon airborne contamination on cleaned surfaces over time even in clean-room environments and have a notable impact on the performance of liquid coatings and patterns. We highlight the importance of timing between the surface treatment and printing in achieving high resolution or homogeneity.
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Affiliation(s)
- Pieter Verding
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Rani Mary Joy
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Dieter Reenaers
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Rachith Shanivarasanthe
Nithyananda Kumar
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Rozita Rouzbahani
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Ewoud Jeunen
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
| | - Seppe Thomas
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
| | - Derese Desta
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Hans-Gerd Boyen
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Paulius Pobedinskas
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Ken Haenen
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
| | - Wim Deferme
- Institute
for Materials Research (IMO), Hasselt University, Wetenschapspark 1, 3590 Diepenbeek, Belgium
- IMEC
vzw, IMOMEC, Wetenschapspark
1, 3590 Diepenbeek, Belgium
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2
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Kirakosyan A, Lee D, Choi Y, Jung N, Choi J. Poly(styrene sulfonic acid)-Grafted Carbon Black Synthesized by Surface-Initiated Atom Transfer Radical Polymerization. Molecules 2023; 28:molecules28104168. [PMID: 37241908 DOI: 10.3390/molecules28104168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/13/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Owing to their excellent electrical conductivity and robust mechanical properties, carbon-based nanocomposites are being used in a wide range of applications and devices, such as electromagnetic wave interference shielding, electronic devices, and fuel cells. While several approaches have been developed for synthesizing carbon nanotubes and carbon-black-based polymer nanocomposites, most studies have focused on the simple blending of the carbon material with a polymer matrix. However, this results in uncontrolled interactions between the carbon filler and the polymer chains, leading to the agglomeration of the carbon filler. Herein, we report a new strategy for synthesizing sulfonated polystyrene (PSS)-grafted carbon black nanoparticles (NPs) via surface-initiated atom-transfer radical polymerization. Treatments with O2 plasma and H2O2 result in the effective attachment of the appropriate initiator to the carbon black NPs, thus allowing for the controlled formation of the PSS brushes. The high polymeric processability and desirable mechanical properties of the PSS-grafted carbon black NPs enable them suitable for use in nonfluorinated-hydrocarbon-based polymer electrolyte membranes for fuel cells, which must exhibit high proton conductivity without interrupting the network of channels consisting of ionic clusters (i.e., sulfonic acid moieties).
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Affiliation(s)
- Artavazd Kirakosyan
- Department of Materials Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Donghyun Lee
- Department of Materials Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Yoonseong Choi
- Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Namgee Jung
- Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Jihoon Choi
- Department of Materials Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
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Shi Y, Wang Z, Wen L, Pei S, Chen K, Li H, Cheng H, Li F. Ultrastable Interfacial Contacts Enabling Unimpeded Charge Transfer and Ion Diffusion in Flexible Lithium-Ion Batteries. Adv Sci (Weinh) 2022; 9:e2105419. [PMID: 35106952 PMCID: PMC8981437 DOI: 10.1002/advs.202105419] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/14/2022] [Indexed: 05/24/2023]
Abstract
Deteriorating interfacial contact under mechanical deformation induces large cracks and high charge transfer resistance, resulting in a severe capacity fading of flexible lithium-ion batteries (LIBs). Herein, an oxygen plasma treatment on a polymer separator combined with high-speed centrifugal spraying to construct ultrastable interfacial contacts is reported. With the treatment, abundant hydrophilic oxygen-containing functional groups are produced and ensure strong chemical adhesion between the separator and the active materials. With single walled carbon nanotubes (SWCNTs) sprayed onto the active materials, a dense thin film is formed as the current collector. Meanwhile, the centrifugal force caused by high-speed rotation together with van der Waals forces under fast evaporation produces a much closer interface between the current collector and the active materials. As a result of this ultrastable interfacial interaction, the integrated electrode shows no structural failure after 5000 bending cycles with the charge-transfer resistance as low as 35.8% and a Li-ion diffusion coefficient nearly 19 times of the untreated electrode. Flexible LIBs assembled with these integrated electrodes show excellent structural and electrochemical stability, and can work steadily under various deformed states and repeated bending. This work provides a new technique toward rational design of electrode configuration for flexible LIBs.
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Affiliation(s)
- Ying Shi
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaShenyang110016China
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
| | - Zhenxing Wang
- Ji Hua LaboratoryFoshanGuangdong528000China
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
| | - Lei Wen
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
| | - Songfeng Pei
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
| | - Ke Chen
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
- School of Physical Science and TechnologyShanghai Tech UniversityShanghai201210China
| | - Hucheng Li
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaShenyang110016China
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
| | - Hui‐Ming Cheng
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
- Institute of Technology for Carbon NeutralityShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China
| | - Feng Li
- School of Materials Science and EngineeringUniversity of Science and Technology of ChinaShenyang110016China
- Shenyang National Laboratory for Materials ScienceInstitute of Metal ResearchChinese Academy of SciencesShenyang110016China
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Jia Y, Ning J, Zhang J, Wang B, Yan C, Zeng Y, Wu H, Zhang Y, Shen X, Zhang C, Guo H, Wang D, Hao Y. High-Quality Transferred GaN-Based Light-Emitting Diodes through Oxygen-Assisted Plasma Patterning of Graphene. ACS Appl Mater Interfaces 2021; 13:32442-32449. [PMID: 34181386 DOI: 10.1021/acsami.1c04659] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Two-dimensional (2D) release layers are commonly used to realize flexible nitride films. Here, high-quality, large-area, and transferable nitride films can be precisely controlled grown on O2-plasma-assisted patterned graphene. The first-principles calculation indicates that the patterned graphene introduced by O2 plasma changes the original wettability of sapphire and the growth behavior of Al atoms is related with layer number of graphene, which is consistent with experimental results. The as-fabricated violet GaN-based light-emitting diodes (LEDs) show high stability and high light output power (LOP). This work provides a general rule for the growth of high-quality and transferable III-nitride films on graphene from the atomic scale and provide actual demonstration in LED. The advantages of the proposed new growth method can supply new ways for electronic and optoelectronic flexible devices of group III nitride semiconductors.
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Affiliation(s)
- Yanqing Jia
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Jing Ning
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Jincheng Zhang
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Boyu Wang
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Chaochao Yan
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Yu Zeng
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Haidi Wu
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Yachao Zhang
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Xue Shen
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Chi Zhang
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Haibin Guo
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Dong Wang
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
| | - Yue Hao
- The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, Xidian University, 710071 Shaanxi, PR China
- Shaanxi Joint Key Laboratory of Graphene, Xidian University, 710071 Shaanxi, PR China
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5
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Amerian M, Amerian M, Sameti M, Seyedjafari E. Improvement of PDMS surface biocompatibility is limited by the duration of oxygen plasma treatment. J Biomed Mater Res A 2019; 107:2806-2813. [PMID: 31430022 DOI: 10.1002/jbm.a.36783] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 08/09/2019] [Accepted: 08/12/2019] [Indexed: 12/22/2022]
Abstract
The recent study focused on the improvement of polydimethylsiloxane (PDMS) surface biocompatibility as the most commonly used biomaterial in maxillofacial prostheses for intraoral defects. Biocompatibility enhances tissue-prosthesis integration to prevent implant dislocation; to evaluate the parameter the study conducted at different times of oxygen plasma exposure. Scanning electron microscopy, contact angle measurement, atomic force microscopy and above all, cell cultivation-as a crucial factor in biocompatibility-carried out to investigate the samples' characteristics. An improved PDMS biocompatibility is expected; referring to the fact that an "optimal range"-not necessarily the maximum values-of surface hydrophilicity and roughness could induce an enhanced cell attachment on the PDMS surface, an "optimum time" of O2 plasma exposure is required to meet this goal. Considering the O2 plasma setup items, the ratio of PDMS components and fabrication process in the current survey, 2.5-min O2 plasma exposure well suited to PDMS surface cell adhesion.
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Affiliation(s)
- Mehrnaz Amerian
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Mahshid Amerian
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Mahyar Sameti
- Department of Biomedical, Chemical Engineering and Science, Florida Institute of Technology, Melbourne, Florida
| | - Ehsan Seyedjafari
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
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6
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Jaleh B, Etivand ES, Mohazzab BF, Nasrollahzadeh M, Varma RS. Improving Wettability: Deposition of TiO 2 Nanoparticles on the O 2 Plasma Activated Polypropylene Membrane. Int J Mol Sci 2019; 20:ijms20133309. [PMID: 31284439 PMCID: PMC6651641 DOI: 10.3390/ijms20133309] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 06/28/2019] [Accepted: 07/02/2019] [Indexed: 11/29/2022] Open
Abstract
Radio frequency plasma is one of the means to modify the polymer surface namely in the activation of polypropylene membranes (PPM) with O2 plasma. Activated membranes were deposited with TiO2 nanoparticles by the dip coating method and the bare sample and modified sample (PPM5-TiO2) were irradiated by UV lamps for 20–120 min. Characterization techniques such as X-ray diffraction (XRD), Attenuated total reflection technique- Fourier transform infrared spectroscopy (ATR-FTIR), Thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS), Scanning electron microscope (SEM) and water contact angle (WCA) measurements were applied to study the alteration of ensuing membrane surface properties which shows the nanoparticles on the sample surface including the presence of Ti on PPM. The WCA decreased from 135° (PPM) to 90° (PPM5-TiO2) and after UV irradiation, the WCA of PPM5-TiO2 diminished from 90° to 40°.
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Affiliation(s)
- Babak Jaleh
- Department of Physics, Faculty of Science, University of Bu-Ali Sina, Hamedan 65174, Iran.
| | - Ehsan Sabzi Etivand
- Department of Physics, Faculty of Science, University of Bu-Ali Sina, Hamedan 65174, Iran
| | - Bahareh Feizi Mohazzab
- Department of Physics, Faculty of Science, University of Bu-Ali Sina, Hamedan 65174, Iran
| | | | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacky University, Šlechtitelů 27, 783 71 Olomouc, Czech Republic.
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Glaser TK, Plohl O, Vesel A, Ajdnik U, Ulrih NP, Hrnčič MK, Bren U, Fras Zemljič L. Functionalization of Polyethylene (PE) and Polypropylene (PP) Material Using Chitosan Nanoparticles with Incorporated Resveratrol as Potential Active Packaging. Materials (Basel) 2019; 12:E2118. [PMID: 31266201 PMCID: PMC6651377 DOI: 10.3390/ma12132118] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 06/22/2019] [Accepted: 06/28/2019] [Indexed: 11/16/2022]
Abstract
The present paper reports a novel method to improve the properties of polyethylene (PE) and polypropylene (PP) polymer foils suitable for applications in food packaging. It relates to the adsorption of chitosan-colloidal systems onto untreated and oxygen plasma-treated foil surfaces. It is hypothesized that the first coated layer of chitosan macromolecular solution enables excellent antibacterial properties, while the second (uppermost) layer contains a network of polyphenol resveratrol, embedded into chitosan nanoparticles, which enables antioxidant and antimicrobial properties simultaneously. X-ray photon spectroscopy (XPS) and infrared spectroscopy (FTIR) showed successful binding of both coatings onto foils as confirmed by gravimetric method. In addition, both attached layers (chitosan macromolecular solution and dispersion of chitosan nanoparticles with incorporated resveratrol) onto foils reduced oxygen permeability and wetting contact angle of foils; the latter indicates good anti-fog foil properties. Reduction of both oxygen permeability and wetting contact angle is more pronounced when foils are previously activated by O2 plasma. Moreover, oxygen plasma treatment improves stability and adhesion of chitosan structured adsorbates onto PP and PE foils. Foils also exhibit over 90% reduction of Staphylococcus aureus and over 77% reduction of Escherichia coli as compared to untreated foils and increase antioxidant activity for over a factor of 10. The present method may be useful in different packaging applications such as food (meat, vegetables, dairy, and bakery products) and pharmaceutical packaging, where such properties of foils are desired.
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Affiliation(s)
- Tjaša Kraševac Glaser
- Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia.
| | - Olivija Plohl
- Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia
| | - Alenka Vesel
- Department of Surface Engineering and Optoelectronics, Jožef Stefan Institute, Teslova 30, SI-1000 Ljubljana, Slovenia
| | - Urban Ajdnik
- Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia
| | - Nataša Poklar Ulrih
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
| | - Maša Knez Hrnčič
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia
| | - Urban Bren
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia
| | - Lidija Fras Zemljič
- Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia.
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Shim J, Oh A, Kang DH, Oh S, Jang SK, Jeon J, Jeon MH, Kim M, Choi C, Lee J, Lee S, Yeom GY, Song YJ, Park JH. High-Performance 2D Rhenium Disulfide (ReS2 ) Transistors and Photodetectors by Oxygen Plasma Treatment. Adv Mater 2016; 28:6985-92. [PMID: 27206245 DOI: 10.1002/adma.201601002] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 04/13/2016] [Indexed: 05/23/2023]
Abstract
A high-performance ReS2 -based thin-film transistor and photodetector with high on/off-current ratio (10(4) ), high mobility (7.6 cm(2) V(-1) s(-1) ), high photoresponsivity (2.5 × 10(7) A W(-1) ), and fast temporal response (rising and decaying time of 670 ms and 5.6 s, respectively) through O2 plasma treatment is reported.
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Affiliation(s)
- Jaewoo Shim
- School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, 440-746, South Korea
| | - Aely Oh
- School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, 440-746, South Korea
| | - Dong-Ho Kang
- School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, 440-746, South Korea
| | - Seyong Oh
- School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, 440-746, South Korea
| | - Sung Kyu Jang
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Jaeho Jeon
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Min Hwan Jeon
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Minwoo Kim
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Changhwan Choi
- Division of Materials Science and Engineering, Hanyang University, Seoul, 133-791, South Korea
| | - Jaehyeong Lee
- School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, 440-746, South Korea
| | - Sungjoo Lee
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Geun Young Yeom
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Young Jae Song
- SKKU Advanced Institute of Nanotechnology, Ungkyunkwan University, Suwon, 440-746, South Korea
| | - Jin-Hong Park
- School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, 440-746, South Korea
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Fang YC, Chen KY, Hsieh CH, Su CC, Wu YH. N-MOSFETs Formed on Solid Phase Epitaxially Grown GeSn Film with Passivation by Oxygen Plasma Featuring High Mobility. ACS Appl Mater Interfaces 2015; 7:26374-26380. [PMID: 26579560 DOI: 10.1021/acsami.5b08518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Solid phase epitaxially grown GeSn was employed as the platform to assess the eligibility of direct O2 plasma treatment on GeSn surface for passivation of GeSn N-MOSFETs. It has been confirmed that O2 plasma treatment forms a GeSnO(x) film on the surface and the GeSnO(x) topped by in situ Al2O3 constitutes the gate stack of GeSn MOS devices. The capability of the surface passivation was evidenced by the low interface trap density (D(it)) of 1.62 × 10(11) cm(-2) eV(-1), which is primarily due to the formation of Ge-O and Sn-O bonds at the surface by high density/reactivity oxygen radicals that effectively suppress dangling bonds and decrease gap states. The good D(it) not only makes tiny frequency dispersion in the characterization of GeSn MOS capacitors, but results in GeSn N-MOSFETs with outstanding peak electron mobility as high as 518 cm(2)/(V s) which outperforms other devices reported in the literature due to reduced undesirable carrier scattering. In addition, the GeSn N-MOSFETs also exhibit promising characteristics in terms of acceptable subthreshold swing of 156 mV/dec and relatively large I(ON)/I(OFF) ratio more than 4 orders. Moreover, the robust reliability in terms small V(t) variation against high field stress attests the feasibility of using the O2 plasma-treated passivation to advanced GeSn technology.
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Affiliation(s)
- Yung-Chin Fang
- Department of Engineering and System Science, National Tsing Hua University , 300 Hsinchu, Taiwan
| | - Kuen-Yi Chen
- Department of Engineering and System Science, National Tsing Hua University , 300 Hsinchu, Taiwan
| | - Ching-Heng Hsieh
- Department of Engineering and System Science, National Tsing Hua University , 300 Hsinchu, Taiwan
| | - Chang-Chia Su
- Department of Engineering and System Science, National Tsing Hua University , 300 Hsinchu, Taiwan
| | - Yung-Hsien Wu
- Department of Engineering and System Science, National Tsing Hua University , 300 Hsinchu, Taiwan
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