Article
Nanoscience & Nanotechnology
Yuting Lei, Benjamin D. Ossonon, Pierre-Luc Trahan, Jiyun Chen, Jonathan Perreault, Ana C. Tavares
Summary: In this study, the influence of several parameters on the performance of electrochemical cocaine aptasensors based on large-size graphene oxide flakes was investigated. The results showed that physical adsorption-based aptasensors with NH2-modified aptamers exhibited good reproducibility, shelf-life stability, and high sensitivity, comparable to covalent immobilization-based aptasensors. It was also found that graphene oxide materials with high electrochemical surface area and standard rate constant of electron transfer can enhance sensing performance. The strong and fast adsorption of NH2-modified cocaine aptamers on the surface of large graphene oxide flakes makes the fabrication of sensing platforms simple and rapid, potentially simplifying the fabrication of sensors.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Dang Du Nguyen, TaeGyeong Lim, Soomook Lim, Ji Won Suk
Summary: The emergence of graphene paper has promoted the application of graphene-based materials in various fields, while the fundamental properties of paper are crucial for device design and fabrication. By conducting double cantilever beam fracture tests, researchers investigated the interlayer interactions in graphene paper, highlighting the importance of interfacial properties for developing paper-based devices with mechanical integrity.
Article
Nanoscience & Nanotechnology
Malgorzata Krystek, Dawid Pakulski, Marcin Gorski, Leszek Szojda, Artur Ciesielski, Paolo Samori
Summary: Carbon nanomaterials as additives show remarkable enhancement of properties in cement-based composites, exhibiting outstanding resistance to highly corrosive environments and representing a major step towards the development of durable graphene-based cement composites.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Maria J. G. Guimarey, Jose Luis Viesca, Amor M. Abdelkader, Ben Thomas, A. Hernandez Battez, Mark Hadfield
Summary: In this study, two different 2D materials, molybdenum disulfide nanoplatelets (MSNP) and graphene nanoplatelets (GNP), prepared by electrochemical exfoliation, were used as additives in nanolubricants. The results showed that nanolubricants formulated with both types of additives improved friction and wear in sliding tests, with the MSNP nanoplatelets offering better performance at specific loadings.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Materials Science, Coatings & Films
Thomas Nesakumar Jebakumar Immanuel Edison, Raji Atchudan, Namachivayam Karthik, Pitchai Chandrasekaran, Suguna Perumal, Prabhakarn Arunachalam, Pandian Bothi Raja, Mathur Gopalakrishnan Sethuraman, Yong Rok Lee
Summary: This study demonstrates the prompt anodic electrochemical exfoliation of graphite into graphene sheets and evaluates the electrochemical performance of the synthesized graphene in KOH electrolyte. The symmetric supercapacitor based on the anodically exfoliated graphene shows promising double-layer capacitance and good energy density and power density, indicating its potential applications in energy storage devices.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Chemistry, Physical
Zhengyan Zhang, Zhi Teng, Xingwei Li
Summary: In this study, nitrogen-doped carbon material with a fluffy structure and high content of pyridinic-N and pyrrolic-N was prepared through the pyrolysis of polyaniline/ITO composite, serving as an optimal support for Pt catalyst. The Pt catalyst supported on this material exhibited excellent electrocatalytic performance for methanol oxidation reaction, with a remarkable stability, achieving an activity retention rate of 89.3% after 1000 cycles of cyclic voltammetry.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Electrochemistry
Qingchun Wang, Zihao Wang, Xiaolong Liang, Shengli An, Changkun Cai, Yuanyuan Liu, Jinxiao Bao, Xiwen Song
Summary: The effects of CeO2-ZrO2 solid solution on the electrocatalytic activity, stability and anti-CO poisoning performance of methanol fuel cell anodes were investigated. Pt/CeO2-ZrO2/GO showed higher catalytic activity and stability against CO oxidation due to the addition of Zr4+ into the CeO2 lattice, which increased oxygen activity and storage capacity.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Seyyed Alireza Mirkhani, Aamir Iqbal, Taehoon Kwon, Ari Chae, Daesin Kim, Hyerim Kim, Seon Joon Kim, Myung-Ki Kim, Chong Min Koo
Summary: This study demonstrates that electrochemically exfoliated graphene (EEG) with post-reduction treatment is a promising candidate for lightweight EMI shielding materials. Reduction of EEG by three different methods leads to graphene films with excellent EMI shielding effectiveness. Microwaves reduced graphene films show one of the largest reported EMI shielding values for graphene at comparable thicknesses due to improved electrical conductivity and large volume expansion.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Damilola Momodu, Moshawe J. Madito, Ashutosh Singh, Farbod Sharif, Kunal Karan, Milana Trifkovic, Steven Bryant, Edward P. L. Roberts
Summary: Precise control of electrochemical intercalation and exfoliation conditions can tune the properties of graphene. The study shows that careful selection of intercalation time is crucial in controlling the defects in graphene, and phosphorus and nitrogen-doping can enhance graphene properties. Additionally, extending intercalation times deteriorated electrical conductivity but improved thermal stability.
Article
Chemistry, Analytical
M. Pandia Rajathi, Sheela Berchmans
Summary: In this work, Pt nanoparticles were synthesized in situ on the poly crystalline Pt electrode surface by electrochemical activation using a potential cycling method, without the need for binders or reducing agents. It was demonstrated that the Pt nanoparticles could be entrapped by carbon nanotubes drop casted on the Pt electrode surface, resulting in enhanced stability and catalytic activity for the methanol oxidation reaction in acid medium.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Zhi Teng, Zhengyan Zhang, Xingwei Li
Summary: The research prepared an excellent anode catalyst support for methanol oxidation reaction by using polyaniline surface modified carbon black. The results showed that Pt nanoparticles with an average diameter of 2.89 nm were uniformly dispersed on the surface of carbon black modified by polyaniline. The Pt/PANI-CB exhibited higher electrocatalytic activity and better stability compared with Pt/CB and commercial Pt/C catalysts.
Article
Chemistry, Analytical
Neeraj Kumar, Shalu Yadav, Mohd Abubakar Sadique, Raju Khan
Summary: An innovative electrochemical biosensor based on graphene quantum dots has been developed for the primary diagnosis of CD44 antigen, a breast cancer biomarker. The biosensor exhibits simple, rapid, and highly sensitive detection capabilities.
Article
Engineering, Manufacturing
Yeon Ju Kwon, Youn Kim, Young-Pyo Jeon, Jin-Yong Hong, Ho Seok Park, Jea Uk Lee
Summary: The development of miniaturized and highly integrated microelectronic products has highlighted the need for heat-dissipation materials with high thermal conductivity and electrical insulation. In this study, a hybrid powder Al@EEG was synthesized using planetary ball milling, providing thermal conductivity and electrical insulation to polymer composites for thermal management of electronics.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Nanoscience & Nanotechnology
Jie Zhao, Hao Zeng, Zhe-Xue Lu
Summary: The study demonstrated that composite microspheres composed of intertwined Pt nanowires and graphene oxide (GO) exhibited improved catalytic performance for direct methanol fuel cells (DMFCs) compared to commercial Pt-C, with higher methanol oxidation reaction activity, lower onset potential, better anti-CO toxicity, and enhanced durability.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Physical
Zakhar Ivanovich Evseev, Fedora Dmitrievna Vasileva, Svetlana Afanasyevna Smagulova, Petr Stanislavovich Dmitriev
Summary: Cotton e-textiles were produced using two different types of graphene oxide. The first type was synthesized using the Hummers' method, while the second type was obtained through electrochemical exfoliation of graphite. It was found that e-textiles based on electrochemically exfoliated graphene had higher electrical conductivity and better washing and mechanical stress stability compared to those based on Hummers' method graphene oxide. The superior properties of electrochemically exfoliated graphene were attributed to its smaller lateral size and higher degree of sp(2) structure regeneration after reduction.
Article
Nanoscience & Nanotechnology
Lirui Nan, Wenbo Yue
ACS APPLIED MATERIALS & INTERFACES
(2018)
Article
Chemistry, Physical
Shengtang Liu, Wenbo Yue, Ce Zhang, Dejian Du, Xiaojing Yang
JOURNAL OF ALLOYS AND COMPOUNDS
(2018)
Article
Chemistry, Physical
Runlan Li, Wenbo Yue, Xi Chen
JOURNAL OF ALLOYS AND COMPOUNDS
(2019)
Article
Chemistry, Physical
Zexuan Xu, Wenbo Yue, Xu Yuan, Xi Chen
JOURNAL OF ALLOYS AND COMPOUNDS
(2019)
Article
Metallurgy & Metallurgical Engineering
Du De-jian, Du Yi-en, Yue Wen-bo, Yang Xiao-jing
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2019)
Article
Chemistry, Multidisciplinary
Shengtang Liu, Xiuying Zhang, Shitao Wu, Xi Chen, Xiaojing Yang, Wenbo Yue, Jing Lu, Wuzong Zhou
Article
Metallurgy & Metallurgical Engineering
Xu Yuan, Wen-bo Yue, Jin Zhang
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2020)
Article
Electrochemistry
Xu Yuan, Yuxiang Min, Jingda Wu, Lai Xu, Wenbo Yue
Summary: This study focuses on the fabrication of PtZn intermetallic nanoparticles on a nitrogen-doped porous carbon support, which enhances the catalyst dispersibility and electrocatalytic performance. Adjusting the Pt/Zn mole ratio enables fine tuning of the catalyst's surface electronic structure, ultimately improving the efficiency of methanol oxidation reaction.
ELECTROCHIMICA ACTA
(2021)
Article
Electrochemistry
Qian Liu, Youqi Zhang, Yunbao Zhou, Miao Wang, Runlan Li, Wenbo Yue
Summary: The performance of the sulfur positive electrode in lithium-sulfur batteries can be enhanced by using high-performance sulfur host materials such as layered double hydroxides (LDHs). This study investigates the influence of different metal compositions of LDHs on the electrochemical performance of sulfur, and finds that NiFe-LDH shows the best performance after loading of sulfur due to stronger interaction with lithium polysulfides.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2023)
Article
Chemistry, Physical
Jiaqi Li, Xi Chen, Wenbo Yue
Summary: The study successfully prepared a high-performance hybrid gel polymer electrolyte by introducing mesoporous Co3O4 particles into the polymer electrolyte, which exhibited high ionic conductivity and thermal decomposition temperature, thereby improving the cycle and rate performance of lithium-sulfur batteries.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Electrochemistry
Xi Chen, Rong Guo, Qian Liu, Wenbo Yue
Summary: Porous carbon material CMK-3 M with a tailored hierarchical pore structure shows superior electrochemical performance in lithium-sulfur batteries. The larger surface area and pore size of CMK-3 M facilitate electron and Li+ ion transfer, as well as enhance interaction with sulfur. The micropores of CMK-3 M can contain smaller sulfur molecules, effectively preventing soluble polysulfide formation and suppressing the shuttle effect of lithium polysulfides. Coating with polyethylene glycol further improves the performance of sulfur-loaded CMK-3 M, suggesting that polymer protection is an effective way to inhibit the polypyl sulfide shuttle.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2021)
Article
Chemistry, Physical
Shengtang Liu, Ce Zhang, Wenbo Yue, Xi Chen, Xiaojing Yang
ACS APPLIED ENERGY MATERIALS
(2019)