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  1. Book ; Online: Advances in Chemical Vapor Deposition

    Vernardou, Dimitra

    2021  

    Keywords Technology: general issues ; APCVD ; VO2 ; processing parameters ; 2D ; chemical vapor deposition ; atomic layer deposition ; aluminum oxide ; aluminum tri-sec-butoxide ; thin film ; carbon nanotubes ; residual gas adsorption ; residual gas desorption ; field emission ; atmospheric pressure CVD ; low pressure CVD ; hybrid CVD ; aerosol assisted CVD ; pulsed CVD ; perovskite photovoltaic nanomaterials ; stabilization ; structural design ; performance optimization ; solar cells ; anatase single crystals ; process-induced nanostructures ; competitive growth ; pp-MOCVD ; vanadium pentoxide ; electrochromic ; spray pyrolysis ; ammonium metavanadate ; CVD ; electrochromism ; perovskite photovoltaic materials ; TiO2 ; Al2O3 ; V2O5 ; computational fluid dynamics
    Size 1 electronic resource (94 pages)
    Publisher MDPI - Multidisciplinary Digital Publishing Institute
    Publishing place Basel, Switzerland
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021044156
    ISBN 9783039439249 ; 3039439243
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Article: Progress and Challenges in Industrially Promising Chemical Vapour Deposition Processes for the Synthesis of Large-Area Metal Oxide Electrode Materials Designed for Aqueous Battery Systems.

    Vernardou, Dimitra

    Materials (Basel, Switzerland)

    2021  Volume 14, Issue 15

    Abstract: The goal of the battery research community is to reach sustainable batteries with high performance, meaning energy and power densities close to the theoretical limits, excellent stability, high safety, and scalability to enable the large-scale production ...

    Abstract The goal of the battery research community is to reach sustainable batteries with high performance, meaning energy and power densities close to the theoretical limits, excellent stability, high safety, and scalability to enable the large-scale production of batteries at a competitive cost. In that perspective, chemical vapour deposition processes, which can operate safely under high-volume conditions at relatively low cost, should allow aqueous batteries to become leading candidates for energy storage applications. Research interest and developments in aqueous battery technologies have significantly increased the last five years, including monovalent (Li
    Language English
    Publishing date 2021-07-27
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma14154177
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Special Issue: Advances in Chemical Vapor Deposition.

    Vernardou, Dimitra

    Materials (Basel, Switzerland)

    2020  Volume 13, Issue 18

    Abstract: Pursuing a scalable production methodology for materials and advancing it from the laboratory to industry is beneficial to novel daily-life applications. From this perspective, chemical vapor deposition (CVD) offers a compromise between efficiency, ... ...

    Abstract Pursuing a scalable production methodology for materials and advancing it from the laboratory to industry is beneficial to novel daily-life applications. From this perspective, chemical vapor deposition (CVD) offers a compromise between efficiency, controllability, tunability and excellent run-to-run repeatability in the coverage of monolayer on substrates. Hence, CVD meets all the requirements for industrialization in basically everything including polymer coatings, metals, water-filtration systems, solar cells and so on. The Special Issue "Advances in Chemical Vapor Deposition" has been dedicated to giving an overview of the latest experimental findings and identifying the growth parameters and characteristics of perovskites, TiO
    Keywords covid19
    Language English
    Publishing date 2020-09-19
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma13184167
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Effect of Electrolyte Concentration on the Electrochemical Performance of Spray Deposited LiFePO

    Floraki, Christina / Androulidaki, Maria / Spanakis, Emmanuel / Vernardou, Dimitra

    Nanomaterials (Basel, Switzerland)

    2023  Volume 13, Issue 12

    Abstract: ... ...

    Abstract LiFePO
    Language English
    Publishing date 2023-06-13
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano13121850
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Special Issue: Perovskite Nanostructures: From Material Design to Applications.

    Kostopoulou, Athanasia / Vernardou, Dimitra

    Nanomaterials (Basel, Switzerland)

    2021  Volume 12, Issue 1

    Abstract: In the past decade, perovskite materials have attracted great scientific and technological interest due to their interesting opto-electronic properties. Nanostructuring of the perovskites, due to their reduced dimensions are advantageous in offering ... ...

    Abstract In the past decade, perovskite materials have attracted great scientific and technological interest due to their interesting opto-electronic properties. Nanostructuring of the perovskites, due to their reduced dimensions are advantageous in offering large surface area, controlled transport and charge carrier mobility, strong absorption and photoluminescence, and confinement effects. These features, together with the unique tunability in composition, shape, and functionalities in addition to the ability to form efficient, low-cost, and light-active structures make the perovskite nanostructures efficient functional components for multiple applications, ranging from photovoltaics and batteries to lasing and light-emitting diodes. The purpose of this Special Issue is to give an overview of the latest experimental findings concerning the tunability in composition, shape, functionalities, growth conditions, and synthesis procedures of perovskite structures and to identify the critical parameters for producing materials with functional characteristics.
    Language English
    Publishing date 2021-12-29
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano12010097
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Progress on V

    Karapidakis, Emmanuel / Vernardou, Dimitra

    Materials (Basel, Switzerland)

    2021  Volume 14, Issue 9

    Abstract: Research efforts have been focused on developing multivalent ion batteries because they hold great promise and could be a major advancement in energy storage, since two or three times more charge per ion can be transferred as compared with lithium. ... ...

    Abstract Research efforts have been focused on developing multivalent ion batteries because they hold great promise and could be a major advancement in energy storage, since two or three times more charge per ion can be transferred as compared with lithium. However, their application is limited because of the lack of suitable cathode materials to reversibly intercalate multivalent ions. From that perspective, vanadium pentoxide is a promising cathode material because of its low toxicity, ease of synthesis, and layered structure, which provides huge possibilities for the development of energy storage devices. In this mini review, the general strategies required for the improvement of reversibility, capacity value, and stability of the cathodes is presented. The role of nanostructural morphologies, structure, and composites on the performance of vanadium pentoxide in the last five years is addressed. Finally, perspectives on future directions of the cathodes are proposed.
    Language English
    Publishing date 2021-04-29
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma14092310
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Harnessing laser technology to create stable metal halide perovskite-rGO conjugates as promising electrodes for Zn-ion capacitors.

    Kostopoulou, Athanasia / Vernardou, Dimitra / Livakas, Nikolaos / Brintakis, Konstantinos / Daskalakis, Stylianos / Stratakis, Emmanuel

    Nanoscale

    2024  Volume 16, Issue 13, Page(s) 6455–6463

    Abstract: We report that the direct conjugation of metal halide perovskite nanocrystals on rGO sheets can provide high performance and stable electrodes for Zn-ion capacitors. It is the first time that metal halide nanocrystals have been used to enhance the energy ...

    Abstract We report that the direct conjugation of metal halide perovskite nanocrystals on rGO sheets can provide high performance and stable electrodes for Zn-ion capacitors. It is the first time that metal halide nanocrystals have been used to enhance the energy storage of 2D materials in capacitors by introducing an additional pseudocapacitance mechanism. In particular, we present a simple, rapid and room temperature laser-induced method to anchor CsPbBr
    Language English
    Publishing date 2024-03-28
    Publishing country England
    Document type Journal Article
    ZDB-ID 2515664-0
    ISSN 2040-3372 ; 2040-3364
    ISSN (online) 2040-3372
    ISSN 2040-3364
    DOI 10.1039/d3nr05552c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Perspectives on Iron Oxide-Based Materials with Carbon as Anodes for Li- and K-Ion Batteries.

    Valvo, Mario / Floraki, Christina / Paillard, Elie / Edström, Kristina / Vernardou, Dimitra

    Nanomaterials (Basel, Switzerland)

    2022  Volume 12, Issue 9

    Abstract: The necessity for large scale and sustainable energy storage systems is increasing. Lithium-ion batteries have been extensively utilized over the past decades for a range of applications including electronic devices and electric vehicles due to their ... ...

    Abstract The necessity for large scale and sustainable energy storage systems is increasing. Lithium-ion batteries have been extensively utilized over the past decades for a range of applications including electronic devices and electric vehicles due to their distinguishing characteristics. Nevertheless, their massive deployment can be questionable due to use of critical materials as well as limited lithium resources and growing costs of extraction. One of the emerging alternative candidates is potassium-ion battery technology due to potassium's extensive reserves along with its physical and chemical properties similar to lithium. The challenge to develop anode materials with good rate capability, stability and high safety yet remains. Iron oxides are potentially promising anodes for both battery systems due to their high theoretical capacity, low cost and abundant reserves, which aligns with the targets of large-scale application and limited environmental footprint. However, they present relevant limitations such as low electronic conductivity, significant volume changes and inadequate energy efficiency. In this review, we discuss some recent design strategies of iron oxide-based materials for both electrochemical systems and highlight the relationships of their structure performance in nanostructured anodes. Finally, we outline challenges and opportunities for these materials for possible development of KIBs as a complementary technology to LIBs.
    Language English
    Publishing date 2022-04-22
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano12091436
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Electrochemistry Studies of Hydrothermally Grown ZnO on 3D-Printed Graphene.

    Vernardou, Dimitra / Kenanakis, George

    Nanomaterials (Basel, Switzerland)

    2019  Volume 9, Issue 7

    Abstract: A three-dimensional (3D) printer was utilised for the three-dimensional production of graphene-based pyramids and an efficient hydrothermal procedure for ZnO growth. In particular, the 3D-printed graphene pyramids were forwarded in Pyrex glass bottles ... ...

    Abstract A three-dimensional (3D) printer was utilised for the three-dimensional production of graphene-based pyramids and an efficient hydrothermal procedure for ZnO growth. In particular, the 3D-printed graphene pyramids were forwarded in Pyrex glass bottles with autoclavable screw caps filled with 50 mL of an aqueous solution of zinc nitrate hexahydrate and hexamethylenetetramine for 1 h at 95 °C; sufficient enough time to deposit well-dispersed nanoparticles. X-ray diffraction patterns were in accordance with a Raman analysis and presented the characteristic peaks of graphite along with those of wurtzite ZnO. Different positions on the sample were tested, confirming the uniform dispersion of ZnO on graphene pyramids. From the electrochemical studies, it was found that the charging and discharging processes are affected by the presence of ZnO, indicating one well-defined plateau for each process compared to the previously reported bare graphene pyramids. In total, the material shows a value of 325 mAh g
    Language English
    Publishing date 2019-07-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano9071056
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Advancements, Challenges and Prospects of Chemical Vapour Pressure at Atmospheric Pressure on Vanadium Dioxide Structures.

    Drosos, Charalampos / Vernardou, Dimitra

    Materials (Basel, Switzerland)

    2018  Volume 11, Issue 3

    Abstract: Vanadium (IV) oxide (VO₂) layers have received extensive interest for applications in smart windows to batteries and gas sensors due to the multi-phases of the oxide. Among the methods utilized for their growth, chemical vapour deposition is a technology ...

    Abstract Vanadium (IV) oxide (VO₂) layers have received extensive interest for applications in smart windows to batteries and gas sensors due to the multi-phases of the oxide. Among the methods utilized for their growth, chemical vapour deposition is a technology that is proven to be industrially competitive because of its simplicity when performed at atmospheric pressure (APCVD). APCVD's success has shown that it is possible to create tough and stable materials in which their stoichiometry may be precisely controlled. Initially, we give a brief overview of the basic processes taking place during this procedure. Then, we present recent progress on experimental procedures for isolating different polymorphs of VO₂. We outline emerging techniques and processes that yield in optimum characteristics for potentially useful layers. Finally, we discuss the possibility to grow 2D VO₂ by APCVD.
    Language English
    Publishing date 2018-03-05
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma11030384
    Database MEDical Literature Analysis and Retrieval System OnLINE

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