Search Results - "Viana, Júlio C"

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  1. 1

    Recent Developments in the Optimization of the Bulk Heterojunction Morphology of Polymer: Fullerene Solar Cells by Gaspar, Hugo, Figueira, Flávio, Pereira, Luiz, Mendes, Adélio, Viana, Júlio C, Bernardo, Gabriel

    Published in Materials (16-12-2018)
    “…Organic photovoltaic (OPV) devices, made with semiconducting polymers, have recently attained a power conversion efficiency (PCE) over 14% in single junction…”
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    Journal Article
  2. 2

    A Design of Experiments Study on Inkjet Printed PEDOT:PSS Temperature Sensors by Buga, Claudia S., Viana, Julio C.

    Published in IEEE sensors journal (01-04-2024)
    “…This work presents an approach to develop, study, and optimize the performance of flexible temperature sensors. With the development of Industry 4.0 and the…”
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    Journal Article
  3. 3

    Optimisation of the green synthesis of Cu/Cu2O particles for maximum yield production and reduced oxidation for electronic applications by Sampaio, Sandra, Viana, Júlio C.

    “…[Display omitted] •Optimization on green synthesis Cu/Cu2O microparticles was made by Taguchi design.•New optimization of Cu/Cu2O microparticles with reduced…”
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    Journal Article
  4. 4

    Chemistry of solid metal-based inks and pastes for printed electronics – A review by Cano-Raya, Clara, Denchev, Zlatan Z., Cruz, Sílvia F., Viana, Júlio C.

    Published in Applied materials today (01-06-2019)
    “…[Display omitted] •The chemistry of solid metal formulations for printed electronics is addressed.•Solid metallic fillers are reviewed considering their…”
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  5. 5

    Decoupling of Temperature and Strain Effects on Optical Fiber-Based Measurements of Thermomechanical Loaded Printed Circuit Board Assemblies by Leite, Tiago Maurício, Freitas, Cláudia, Magalhães, Roberto, Ferreira da Silva, Alexandre, Alves, José R., Viana, Júlio C., Delgado, Isabel

    Published in Sensors (Basel, Switzerland) (18-10-2023)
    “…This study investigated the use of distributed optical fiber sensing to measure temperature and strain during thermomechanical processes in printed circuit…”
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    Journal Article
  6. 6

    Operational Load Monitoring of a Composite Panel Using Artificial Neural Networks by Mucha, Waldemar, Kuś, Wacław, Viana, Júlio C, Nunes, João Pedro

    Published in Sensors (Basel, Switzerland) (29-04-2020)
    “…Operational Load Monitoring consists of the real-time reading and recording of the number and level of strains and stresses during load cycles withstood by a…”
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  7. 7

    A review on materials and technologies for organic large-area electronics by Buga, Cláudia S., Viana, J. C.

    Published in Advanced materials technologies (01-06-2021)
    “…New and innovative applications in the field of electronics are rapidly emerging. Such applications often require flexible or stretchable substrates,…”
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    Journal Article
  8. 8

    The Development of a Flexible Humidity Sensor Using MWCNT/PVA Thin Films by Santos, Ana R, Viana, Júlio C

    Published in Nanomaterials (Basel, Switzerland) (15-10-2024)
    “…The exponential demand for real-time monitoring applications has altered the course of sensor development, from sensor electronics miniaturization, e.g.,…”
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  9. 9

    On the Fused Deposition Modelling of Personalised Bio-Scaffolds: Materials, Design, and Manufacturing Aspects by Sousa, Helena Cardoso, Ruben, Rui B, Viana, Júlio C

    Published in Bioengineering (Basel) (31-07-2024)
    “…Bone tissue engineering (BTE) is an important field of research, essential in order to heal bone defects or replace impaired tissues and organs. As one of the…”
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    Journal Article
  10. 10

    Thermoelectric response of a screen printed silver-nickel thermocouple by Cruz, Sílvia, Azevedo, Gabriela, Cano-Raya, Clara, Manninen, Noora, Viana, Júlio C.

    “…[Display omitted] •Investigation of silver and nickel inks for a fully printed and nonstandard thermal sensor for higher working ranges.•Ag-Ni thermal sensor…”
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  11. 11

    Integrative simulation chain for improved components design: linking mould filling and structural simulations by Barbosa, Carlos N., Viana, J. C., Franzen, Markus, Baranowski, Thomas, Simões, Ricardo João Ferreira

    Published in Polymer bulletin (Berlin, Germany) (01-08-2022)
    “…Computer-Aided Engineering (CAE) is currently a standard tool in the development process of automotive components. For thermoplastic parts, for example, the…”
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    Journal Article
  12. 12

    Structure-Properties Relationships in Thermoplastic Polyurethane Elastomer Nanocomposites: Interactions between Polymer Phases and Nanofillers by Cruz, Sílvia M., Viana, Júlio C.

    Published in Macromolecular materials and engineering (01-11-2015)
    “…Polyurethane thermoplastic elastomer (TPU) nanocomposites were prepared by the incorporation of 1 wt% of high‐structured carbon black (HSCB), carbon nanofibers…”
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  13. 13

    Inkjet Printed Pressure Sensing Platform for Postural Imbalance Monitoring by Cruz, Silvia, Dias, Daniel, Viana, Julio C., Rocha, Luis A.

    “…In this paper, a low-cost printed pressure sensing platform is presented. The sensing platform consists of a flexible printed circuit board manufactured using…”
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    Journal Article
  14. 14

    Highly efficient Rh(I)/tris-binaphthyl monophosphite catalysts for hydroformylation of sterically hindered alkyl olefins by Costa, Gonçalo N., Carrilho, Rui M.B., Dias, Lucas D., Viana, Júlio C., Aquino, Gilberto L.B., Pineiro, Marta, Pereira, Mariette M.

    “…[Display omitted] •Highly active and selective Rh/tris-binaphthyl monophosphite catalysts for hydroformylation of substituted alkyl olefins.•Strong influence…”
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  15. 15

    In situ WAXS/SAXS structural evolution study during uniaxial stretching of poly(ethylene therephthalate) nanocomposites in solid state: Poly(ethylene therephthalate)/montmorillonite nanocomposites by Todorov, Lyudmil V., Martins, Carla I., Viana, Júlio C.

    Published in Journal of applied polymer science (05-06-2013)
    “…This work investigates the solid state uniaxial stretching of neat polyethylene therephthalate, PET, and its montmorillonite, MMT, nanocomposites (0.3 wt % of…”
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    Journal Article
  16. 16

    Graded Morphologies and the Performance of PffBT4T-2OD:PC71BM Devices Using Additive Choice by Gaspar, Hugo, Parnell, Andrew J., Pérez, Gabriel E., Viana, Júlio C., King, Stephen M., Mendes, Adélio, Pereira, Luiz, Bernardo, Gabriel

    Published in Nanomaterials (Basel, Switzerland) (12-12-2021)
    “…The impact of several solvent processing additives (1-chloronaphthalene, methylnaphthalene, hexadecane, 1-phenyloctane, and p-anisaldehyde), 3% v/v in…”
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  17. 17

    Solid-state structural evolution of poly(ethylene terephthalate) during step uniaxial stretching from different initial morphologies: An in situ wide angle x-ray scattering study by Todorov, Lyudmil V., Martins, Carla I., Viana, Júlio C.

    Published in Journal of applied polymer science (05-04-2012)
    “…This work reports an in situ wide‐angle X‐ray scattering (WAXS) study of the structural evolution of PET with distinct initial morphologies during step…”
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  18. 18

    Effect of the impact conditions on the mechanical properties of injection-molded parts by Barbosa, Carlos N., Viana, Júlio C., Franzen, Markus, Simoes, Ricardo

    Published in Polymer engineering and science (01-09-2012)
    “…This work focused on the study of the impact event on molded parts in the framework of automotive components. The influence of the impact conditions and…”
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  19. 19

    Thermomechanical environment characterisation in injection moulding and its relation to the mechanical properties of talc-filled polypropylene by Barbosa, Carlos N., Simoes, Ricardo, Franzen, Markus, Viana, Júlio C.

    Published in Journal of materials science (01-03-2013)
    “…This study is focused on the establishment of relationships between the injection moulding processing conditions, the applied thermomechanical environment…”
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