Recent Patents on Nanotechnology最新文献

{"title":"Advancing Dye-Sensitized Solar Cells: Synergistic Effects of Polyaniline, Graphene Oxide, and Carbon Nanotubes for Enhanced Efficiency and Sustainability Developments.","authors":"Fernando Gomes, Shekhar Bhansali, Viviane Valladão, Daniele Brandão, Gabriel Silva, Fabiola Maranhão, Kaushik Pal, Rossana Thiré, Joyce Araujo, Ariane Batista, Sabu Thomas, Nandakumar Kalarikkal, Samuel O Oluwafemi, Tian Rong Li, Yuhua Wang","doi":"10.2174/0118722105366556250402051103","DOIUrl":"https://doi.org/10.2174/0118722105366556250402051103","url":null,"abstract":"<p><p>This paper provides an in-depth look at the latest developments in dye-sensitized solar cell (DSSC) technology. It focuses on the use of special materials, like polyaniline (PANI), graphene oxide (GO), and carbon nanotubes (CNTs). These materials improve the efficiency and stability of solar cells, and this study offers significant insights into their characteristics and practical uses. This article examines major trends in material selection, structural optimization, and manufacturing procedures by juxtaposing results from scientific literature with advancements in the patent arena, addressing the issues of developing next-generation solar cell designs. We examine the synergistic effects of PANI's stability, GO's electrical conductivity, and CNTs' mechanical strength, highlighting their roles in enhancing light absorption, charge transfer efficiency, and overall device longevity. Bibliometric data from sites, like Scopus and Lens.org, indicate substantial advancements in energy conversion efficiency and decreases in charge transfer resistance. Patents, like WO 2020 and EP3824-B1, illustrate the increasing significance of flexibility, resilience, and scalability in solar cell designs. Biopolymer-based electrolytes made from chitosan, guar gum, and starch are examples of sustainable solutions that show better ionic conductivity and mechanical stability, making them eco-friendly choices. This paper highlights the significance of nano and microfillers in enhancing electron mobility and minimizing resistive losses. Practical implementations, including photovoltaic chargers and flexible solar panels, illustrate the conversion of theoretical advancements into functional technologies. The study delineates future research avenues, promoting the utilization of nanocomposites and catalytic materials to enhance solar cell performance and thus facilitate sustainable and scalable energy solutions to address escalating global energy demands.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144046999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Recent Advancements, Patents, and Scientific Insights into the Biomedical Soft Robots Using Nanomaterials and Nanotechnology.","authors":"Vinod Sakhare, Sagar Shelare, P Sekhar Babu, Boppana V Chowdary, Arvind Wadgure, Parag Bute, Shubham Sharma, S Hemalatha, Varinder Singh, Abhinav Kumar, Dražan Kozak, Jasmina Lozanovic","doi":"10.2174/0118722105361551250120075141","DOIUrl":"https://doi.org/10.2174/0118722105361551250120075141","url":null,"abstract":"<p><p>This study investigates the most recent advancements in the field of biomedical soft robotics, with a primary emphasis on the integration of nanomaterials and nanotechnology. It underscores the biocompatibility, flexibility, and performance of soft robots by emphasizing critical advancements in nanomaterials, robotics, and biomedical applications. Nanomaterials can improve the biocompatibility and mechanical qualities of soft robots used in tissue engineering and regenerative medicine. Nanotechnology enables the development of flexible and elastic electronics, which may be integrated into soft robotics. This study also analyzes recent patents, offering a viewpoint on emerging technologies and their potential impact on medical diagnostics, therapeutic delivery systems, and minimally invasive procedures. The scientific developments and patents with the functioning and operating mechanisms of soft robots, as well as the problems of constructing biomedical soft robots with nanomaterials and nanotechnology, are examined in this critical study. Moreover, it also examines current advancements, patents, technological challenges, and future trends in nanomaterials and nanotechnology used in biomedical soft robotics.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143992158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bibliometric Analysis of Single-Atom Catalysis: A Scoping Review.","authors":"Muffarih Shah, Noor Majeed, Asif Ali, Abdul Hameed, Touseef Rehan, Nasrullah Shah","doi":"10.2174/0118722105347268250206063445","DOIUrl":"https://doi.org/10.2174/0118722105347268250206063445","url":null,"abstract":"<p><strong>Background: </strong>Single-Atom Catalysts (SACs) are heterogeneous catalysts that demonstrate exceptional efficiency and selectivity due to the use of individual metal atoms at the atomic scale. The substantial number of patents filed on SACs underscore their commercial and technological importance, highlighting their potential across various industries. SACs are increasingly applied in areas such as energy generation, environmental applications, and chemical synthesis, reflecting their growing scientific and technical importance.</p><p><strong>Objectives: </strong>The objective of this study was to conduct a comprehensive evaluation of existing literature on SACs and the use of bibliometric analysis to identify scientific output and topic patterns of research on SACs.</p><p><strong>Methods: </strong>A bibliometric analysis was performed on 488 papers related to SACs, utilizing the Web of Science database of data collection. Analysis of Co-occurrence of keywords, trending research topics, Citation analysis, Publication areas, the five-year record of Publications, and funding sources were examined using VOS viewer, R software, and Microsoft Excel.</p><p><strong>Results: </strong>The analysis indicates a steady growth in publication on SACs in recent years, with China leading in research output followed closely by the USA. The highlighting of the global impact and the collaborative nature of SAC research. The study reveals a diverse range of applications and emphasizes the increasing scientific and technical focus on this subject.</p><p><strong>Conclusion: </strong>This study highlights the essential role of SACs in advancing catalytic science and maps key trends, collaborations, and applications within the field. The bibliometric insights provide valuable guidance for the researchers, pointing to potential applications in energy storage, environmental remediation, and sustainable chemical synthesis. Emerging challenges, such as stability, scalability, and the development of new materials, call for further investigation to unlock the full potential of SACs. These insights support future innovation and exploration in the expanding field of SAC research.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143494501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advances in Neuromorphic Computing Devices: Insights on Both Conventional and Unconventional Architectures.","authors":"Davide Decastri, Francesca Borghi","doi":"10.2174/0118722105335459241210043513","DOIUrl":"https://doi.org/10.2174/0118722105335459241210043513","url":null,"abstract":"<p><p>Neuromorphic circuits and devices have been introduced in the last decades as elements of a key strategy for developing of new paradigms of computation, inspired by the intent to mimic elementary neuron structure and biological mechanisms, for the overcoming of energy and timeconsuming bottlenecks achieved by digital computing (DC) technologies. Although the term \"neuromorphic\" is in common use, its meaning is often misunderstood and indistinctly associated with many different technologies, based on both conventional and unconventional electronic components and architectures. Here an overview of the different technological strategies used for developing neuromorphic computing systems is proposed, with an insight on the neuromorphic features they implement and a special focus on the technological strategies and patents that exploit unconventional computing paradigms.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143415920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Introduction to Memristive Mechanisms and Models.","authors":"Davide Cipollini, Lambert Schomaker","doi":"10.2174/0118722105327900250115102034","DOIUrl":"https://doi.org/10.2174/0118722105327900250115102034","url":null,"abstract":"<p><p>The increase in computational power demand led by the development of Artificial Intelligence is rapidly becoming unsustainable. New paradigms of computation, which potentially differ from digital computation, together with novel hardware architecture and devices, are anticipated to reduce the exorbitant energy demand for data-processing tasks. Memristive systems with resistive switching behavior are under intense research, given their prominent role in the fabrication of memory devices that promise the desired hardware revolution in our intensive data-driven era. They are suggested to provide the hardware substrate to scale up computational capabilities while improving their energy expenditure and speed. This work provides an orientation map for those interested in the vast topic of memristive systems with application to neuromorphic computing. We address the description of the most notable emerging devices and we illustrate models that capture the complex dynamical behavior of these systems under the dynamical-systems framework developed by Chua. We then review the memristive behavior under the perspective of statistical physics and percolation theory suited to describe fluctuations and disorder which are otherwise precluded in the dynamical-system approach. Percolation theory allows the investigation of these systems at the mesoscopic level, enabling material-independent modeling of non-linear conductance networks. We finally discuss recent and less recent successes in deep learning methods that bridge the field of physics-based and biological- inspired neuromorphic computing.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143047811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fabrication with Characterization of Single-Walled Carbon Nanotube Thin Film Transistor (CNT-TFT) by Spin Coating Method for Flat Panel Display.","authors":"Vijai Meyyappan Moorthy, R Venkatesan, Viranjay M Srivastava","doi":"10.2174/0118722105318225241021042955","DOIUrl":"https://doi.org/10.2174/0118722105318225241021042955","url":null,"abstract":"<p><strong>Background: </strong>Thin Film Transistors (TFTs) are increasingly prevalent electrical components in display products, ranging from smartphones to diagonal flat panel TVs. The limitations in existing TFT technologies, such as high-temperature processing, carrier mobility, lower ON/OFF ratio, device mobility, and thermal stability, result in the search for new semiconductor materials with superior properties.</p><p><strong>Objective: </strong>The main objective of this present work is to fabrícate the efficient Single-Walled Carbon Nanotube Thin Film Transistor (TFT) for flat panel display.</p><p><strong>Methods: </strong>Carbon Nano-Tubes (CNTs) are a promising semiconductor material for TFT devices due to their one-dimensional structure and exceptional characteristics. In this research work, the CNTTFTs have been fabricated using nano-fabrication techniques with a spin process. The fabricated devices have been characterized for structural, morphological, and electrical characteristics.</p><p><strong>Results: </strong>The 20 μm channel length and 30 μm channel width fabricated device produces about 1.3 nA, which lies in the practical range of operating TFTs reported previously. Compared to reported patents and published works, this demonstrates a significant improvement.</p><p><strong>Conclusion: </strong>Further guidelines and limitations of this fabrication method are also discussed for future efficient device fabrication.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143034711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of Stabilized and Aqueous Dissolvable Nanosuspension Encompassing BCS Class IV Drug via Optimization of Process and Formulation Variables.","authors":"Surya Goel, Vijay Agarwal, Monika Sachdeva","doi":"10.2174/0118722105317594241025052905","DOIUrl":"https://doi.org/10.2174/0118722105317594241025052905","url":null,"abstract":"<p><strong>Background: </strong>Nanosuspension has emerged as an effective, lucrative, and unequalled approach for efficiently elevating the dissolution and bioavailability of aqueous soluble drugs. Diverse challenges persist within this domain, demanding further comprehensive investigation and exploration.</p><p><strong>Objective: </strong>This study aims to design, develop, optimise formulation and process variables, and characterise the stabilised aqueous dissolvable nanosuspension using chlorthalidone as a BCS class- IV drug.</p><p><strong>Methods: </strong>Nanosuspensions of the chlorthalidone drug were prepared using a combination of topdown and bottom-up approaches. Various polymers such as Pluronic L-64, F-68, F-127, and Synperonic F-108 were used as stabilisers in this research. All important processes and formulation variables, such as ultrasonication intensity and time, the concentration of the drug, organic solvent, and stabilisers that may critically influence the characteristics of the nanosuspensions, were optimised. Formulation screening was performed using the optimisation of process and formulation variables, and the optimised nanosuspension formulation was assessed for particle size, PDI, surface charge, morphology, in vitro drug release, and stability.</p><p><strong>Results: </strong>To select an optimised nanosuspension formulation, the effects of formulation and process variables were investigated. These variables critically influence the development of a stabilised nanosuspension. The outcomes revealed that the nanosuspension formulation containing pluronic F- 68 as a stabiliser in 0.6% w/v concentration and the drug in 4 mg/ml concentration were optimized. The particle size and zeta potential of the optimised preparation were 110 nm and -27.5 mV, respectively. The in-vitro drug release of chlorthalidone drug from the optimised nanoformulation was increased up to 3-fold, approximately (88% in 90 min) compared with pure chlorthalidone drug (27% in 90 min) because of the decrease in particle size. Moreover, stability studies indicated that the crafted nanoformulation was stable at cold (4℃) as well as normal room temperature (25℃) for six months.</p><p><strong>Conclusion: </strong>From the obtained results, it was concluded that the combination of top-down and bottom- up approaches employed for the fabrication of oral nanosuspension is a remunerative and lucrative approach to successfully resolve the perplexities associated with the dissolution rate of poorly aqueous soluble BCS class-IV drug moieties such as chlorthalidone.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142980463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research on Controllable Synthesis and Growth Mechanism of Sodium Vanadium Fluorophosphate Nanosheets.","authors":"Xinran Yuan, Aijun Teng, Tianhao Liu, Yadong Yang, Yanan Xin, Lingling Yong, Dongbin Zhang","doi":"10.2174/0118722105340055241022051936","DOIUrl":"https://doi.org/10.2174/0118722105340055241022051936","url":null,"abstract":"<p><strong>Background: </strong>Sodium vanadium fluorophosphate is a sodium ion superconductor material with high sodium ion mobility and excellent cyclic stability, making it a promising cathode material for sodium-ion batteries. However, most of the literature and patents report preparation through traditional methods, which involve complex processes, large particle sizes, and low electronic conductivity, thereby limiting development progress.</p><p><strong>Objective: </strong>Aiming at the limitation of high cost and poor performance of vanadium sodium fluorophosphate cathode material, the low temperature and high-efficiency nano preparation technology was developed.</p><p><strong>Methods: </strong>This study uses a homogenizer with high dispersion and shear force to directionally control the collision of sodium vanadium fluorophosphate nanoparticles with higher specific surface energy during the initial nucleation stage, forming nanosheet structures.</p><p><strong>Results: </strong>The growth mechanism of these nanosheets was analyzed using SEM, XRD, AFM, and DFT simulation. Results indicate that the crystal surfaces with higher surface energy undergo directional collisions in the early nucleation stage, gradually reducing the surface energy and stabilizing the system, resulting in sodium vanadium fluorophosphate nanosheets.</p><p><strong>Conclusion: </strong>Due to the larger specific surface area and pore structure, these nanosheets exhibit excellent rate performance and cycle stability, making them suitable for application and promotion in the field of fast-charging energy storage.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142957642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Role of Nanotechnology in the Treatment of Life-Threating Diseases.","authors":"Parijat Pandey","doi":"10.2174/187221051901241111164122","DOIUrl":"https://doi.org/10.2174/187221051901241111164122","url":null,"abstract":"","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":"19 1","pages":"2-3"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143434147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of Lanthanum Oxide Based Double-Gate SOI MOSFET using Monte-Carlo Process.","authors":"Pattunnarajam Paramasivam, Naveenbalaji Gowthaman, Viranjay M Srivastava","doi":"10.2174/0118722105273476231201073651","DOIUrl":"10.2174/0118722105273476231201073651","url":null,"abstract":"<p><strong>Introduction: </strong>This work proposes a Double-Gate (DG) MOSFET with a Single Material made of Silicon On-Insulator (SOI). The Lanthanum Oxide material with a high k-dielectric constant has been used as an interface between two gates and the channel. The Monte Carlo analysis has been used to determine the Conduction Band Energy (Ec) profiles and electron sheet carrier densities (ns) for a Silicon channel thickness (tsi) of 10 nm at 0.5 V gate drain-source voltages. The transverse electric fields are weak at the midchannel of DG SOI MOSFETs, where quantum effects are encountered. The Monte Carlo simulation has been confirmed to be effective for high-energy transport. A particle description reproduces the granularity property of the transport for nanoscale modeling.</p><p><strong>Methods: </strong>This work utilizes a Monte Carlo (MC) Simulation for the proposed Double Gate Single Material Silicon On Insulator MOSFET with (La₂O₃=2 nm) as dielectric oxide on upper and lower gate material. The electrical properties of the DG SOI MOSFETs with Lanthanum Oxide were analyzed using Monte Carlo simulation, including the conduction band energy, electric field, potential distribution, particle movement, and average velocity.</p><p><strong>Results: </strong>The peak electric field (E) simulation results and an average drift velocity (υ_avg) of 6x10⁵ V/cm and 1.6x10⁷ cm/s were obtained, respectively. The conduction band energy for the operating region of the source has been observed to be 4% to the drain side, which obtained a value of -0.04 eV at the terminal end.</p><p><strong>Conclusion: </strong>This proposed patent design, such as double-gate SOI-based devices, is the best suggestion for significant scalability challenges. Emerging technologies reach the typical DG SOI MOSFET's threshold performance when their geometrical dimensions are in the nanometer region. This device based on nanomaterial compounds has been more submissive than conventional devices. The nanomaterials usage in the design is more suitable for downscaling and reducing packaging density.</p>","PeriodicalId":49324,"journal":{"name":"Recent Patents on Nanotechnology","volume":" ","pages":"282-295"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139425836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}