Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos
ilustraciones, diagramas
- Autores:
-
zapata Hernandez, Juan Camilo
- Tipo de recurso:
- Fecha de publicación:
- 2022
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/83074
- Palabra clave:
- 620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería
Oxido de cinc
Dispositivos piezoeléctricos
Piezoelectric devices
Óxido de zinc
Salida eléctrica
Sensor
Textil
PENG
Zinc oxide
Electrical output
Sensor
PENG
Textiles
- Rights
- openAccess
- License
- Atribución-NoComercial-SinDerivadas 4.0 Internacional
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oai_identifier_str |
oai:repositorio.unal.edu.co:unal/83074 |
network_acronym_str |
UNACIONAL2 |
network_name_str |
Universidad Nacional de Colombia |
repository_id_str |
|
dc.title.spa.fl_str_mv |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
dc.title.translated.eng.fl_str_mv |
Development of a piezoelectric nanogenerator for applications in biomedical sensors |
title |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
spellingShingle |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos 620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería Oxido de cinc Dispositivos piezoeléctricos Piezoelectric devices Óxido de zinc Salida eléctrica Sensor Textil PENG Zinc oxide Electrical output Sensor PENG Textiles |
title_short |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
title_full |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
title_fullStr |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
title_full_unstemmed |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
title_sort |
Desarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicos |
dc.creator.fl_str_mv |
zapata Hernandez, Juan Camilo |
dc.contributor.advisor.none.fl_str_mv |
Buitrago Sierra, Robison Santa Marín, Juan Felipe |
dc.contributor.author.none.fl_str_mv |
zapata Hernandez, Juan Camilo |
dc.contributor.researchgroup.spa.fl_str_mv |
Materiales Avanzados y Energía MATyER |
dc.contributor.orcid.spa.fl_str_mv |
Zapata Hernandez, Juan Camilo [0000-0002-8664-5867] |
dc.contributor.googlescholar.spa.fl_str_mv |
https://scholar.google.com/citations?user=bhXNtYcAAAAJ&hl=es |
dc.subject.ddc.spa.fl_str_mv |
620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería |
topic |
620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingeniería Oxido de cinc Dispositivos piezoeléctricos Piezoelectric devices Óxido de zinc Salida eléctrica Sensor Textil PENG Zinc oxide Electrical output Sensor PENG Textiles |
dc.subject.lemb.spa.fl_str_mv |
Oxido de cinc Dispositivos piezoeléctricos |
dc.subject.lemb.eng.fl_str_mv |
Piezoelectric devices |
dc.subject.proposal.spa.fl_str_mv |
Óxido de zinc Salida eléctrica Sensor Textil |
dc.subject.proposal.eng.fl_str_mv |
PENG Zinc oxide Electrical output Sensor PENG Textiles |
description |
ilustraciones, diagramas |
publishDate |
2022 |
dc.date.issued.none.fl_str_mv |
2022 |
dc.date.accessioned.none.fl_str_mv |
2023-01-23T20:50:04Z |
dc.date.available.none.fl_str_mv |
2023-01-23T20:50:04Z |
dc.type.spa.fl_str_mv |
Trabajo de grado - Maestría |
dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/masterThesis |
dc.type.version.spa.fl_str_mv |
info:eu-repo/semantics/acceptedVersion |
dc.type.content.spa.fl_str_mv |
Text |
dc.type.redcol.spa.fl_str_mv |
http://purl.org/redcol/resource_type/TM |
status_str |
acceptedVersion |
dc.identifier.uri.none.fl_str_mv |
https://repositorio.unal.edu.co/handle/unal/83074 |
dc.identifier.instname.spa.fl_str_mv |
Universidad Nacional de Colombia |
dc.identifier.reponame.spa.fl_str_mv |
Repositorio Institucional Universidad Nacional de Colombia |
dc.identifier.repourl.spa.fl_str_mv |
https://repositorio.unal.edu.co/ |
url |
https://repositorio.unal.edu.co/handle/unal/83074 https://repositorio.unal.edu.co/ |
identifier_str_mv |
Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia |
dc.language.iso.spa.fl_str_mv |
spa |
language |
spa |
dc.relation.indexed.spa.fl_str_mv |
RedCol LaReferencia |
dc.relation.references.spa.fl_str_mv |
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Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Buitrago Sierra, Robison44944f4ec6fd91249162ea2198a5505fSanta Marín, Juan Felipe30f321423032a600a1187f1d8ce07534zapata Hernandez, Juan Camilod7d387335a2b2a0351c9b9efe2a86129600Materiales Avanzados y Energía MATyERZapata Hernandez, Juan Camilo [0000-0002-8664-5867]https://scholar.google.com/citations?user=bhXNtYcAAAAJ&hl=es2023-01-23T20:50:04Z2023-01-23T20:50:04Z2022https://repositorio.unal.edu.co/handle/unal/83074Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramasEl uso de los PENG (nanogeneradores piezoeléctricos) como sensores ha causado mucho interés en los últimos años en diversas áreas de la ingeniería y medicina. Para desarrollar estos dispositivos es necesario usar materiales piezoeléctricos. Dentro de los materiales piezoeléctricos que pueden ser sintetizados, se encuentra el titanato circonato de plomo (PZT), uno de los materiales más usados; sin embargo, la presencia de plomo y sus impactos tanto ambientales como en la salud humana, han incrementado el interés por materiales que no contengan este elemento en su composición. El óxido de zinc (ZnO) es considerado una alternativa, ya que no es tóxico y puede estar sometido a grandes deformaciones mecánicas durante periodos prolongados, siendo ambas características benéficas para el desarrollo de estos dispositivos. Sin embargo, el valor d33 del PZT (~117 pC/N) es superior al ZnO (~12 pC/Ny esto sugiere que la salida eléctrica de los dispositivos basados en ZnO podría ser menor. La estrategia más empleada para incrementar el coeficiente d33 y la salida eléctrica ha sido el uso de dopantes y el efecto de la morfología, sin embargo, el efecto de estos parametrossobre la salida eléctrica ha sido poco estudiado. Adicionalmente, diversos trabajos usan sistemas mecánicos poco robustos para la evaluación de la salida eléctrica de los dispositivos PENG y podrían inducir errores durante el análisis. En este trabajo se sintetizaron dos morfologías de óxido de zinc con el fin de desarrollar un dispositivo que podría ser usado como sensor. Adicionalmente, se propuso una metodología de ensayo de este tipo de dispositivos con el fin de estandarizar el método. Los análisis SEM evidenciaron la obtención de partículas con morfología de barras y hojas. El análisis DRX conformó que ambos tipos de partículas evidencian la fase cristalina Wurtzita, la más común en el ZnO. Mediante análisis TGA se evaluó la cantidad de ZnO presente en los dos compuestos desarrollados, la diferencia entre ambos fue de 0.02 %. Adicionalmente, se propuso un sistema mecánico para realizar los ensayos de salida eléctrica, el cual consiste de una máquina universal de ensayos adaptada para este fin. El sistema entrega la fuerza aplicada durante cada ciclo y de esta manera se puede normalizar la salida eléctrica. Respecto a la salida de voltaje del dispositivo, el compuesto basado en barras de ZnO evidenció una mayor salida en comparación con el compuesto basado en hojas. Esto podría deberse a la formación de una red conductora que favorece la transferencia de carga dentro del compuesto. (Texto tomado de la fuente)PENGs (Piezoelectric nanogenerators) used as sensors have caused great interest in recent years across several areas of engineering and medicine. The development of these devices requires the use of piezoelectric materials. Several piezoelectric materials that can be synthesized, the lead zirconate titanate (PZT), is the most used materials; however, the presence of lead and its environmental and human impacts have increased interest in materials that do not contain this element in their composition. Zinc oxide (ZnO) is considered an alternative since it is not toxic and can be subjected to large mechanical deformations for long periods, both features being beneficial for the development of these devices. However, the d33 value of PZT (~117 pC/N) is higher than ZnO (~12 pC/N), this suggest that the electrical output of ZnO-based devices could be lower. The most used strategy has been the dopants and the effect of morphology on electrical output has been little studied. Additionally, several works use less robust mechanical systems for the evaluation of the electrical output of PENG devices and could induce errors during the analysis. In this work, two morphologies of zinc oxide were synthesized in order to develop a device that could be used as a sensor. Additionally, a testing methodology for this type of device was proposed in order to standardize the testing method. The SEM microgaph evidenced the obtaining of particles with morphology of rods and sheets. The XRD analysis confirmed that both types of particles evidenced the Wurtzite crystalline phase, the most common in ZnO. Through TGA analysis, the amount of ZnO present in the two developed compounds was evaluated, the difference between the boths was 0.02%. Additionally, a mechanical system was proposed to perform the electrical output tests. This system consists of a universal testing machine adapted for this purpose. The system delivers the force applied during each cycle and in this way the electrical output can be normalized. Regarding the voltage output of the device, the ZnO rod-based composite exhibited a higher output compared to the sheet-based composite. This could be due to the formation of a conducting network that favors charge transfer within the compound.MaestríaMagíster en Ingeniería - Materiales y ProcesosNuevos materialesÁrea Curricular de Materiales y Nanotecnologíaxxii, 109 páginasapplication/pdfspaUniversidad Nacional de Colombia - Sede MedellínMedellín - Minas - Maestría en Ingeniería - Materiales y ProcesosFacultad de MinasMedellín, ColombiaUniversidad Nacional de Colombia - Sede Medellín620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingenieríaOxido de cincDispositivos piezoeléctricosPiezoelectric devicesÓxido de zincSalida eléctricaSensorTextilPENGZinc oxideElectrical outputSensorPENGTextilesDesarrollo de un nanogenerador piezoeléctrico para aplicaciones en sensores biomédicosDevelopment of a piezoelectric nanogenerator for applications in biomedical sensorsTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMRedColLaReferenciaAbd El-Ghaffar, M. 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ACS Nano. https://doi.org/10.1021/acsnano.8b08329InvestigadoresLICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/83074/1/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD51ORIGINAL1036662665.2022.pdf1036662665.2022.pdfTesis de Maestría en Ingeniería - Materiales y Procesosapplication/pdf3648464https://repositorio.unal.edu.co/bitstream/unal/83074/2/1036662665.2022.pdfa097fc38089e760837cdf5c46cdec81cMD52THUMBNAIL1036662665.2022.pdf.jpg1036662665.2022.pdf.jpgGenerated Thumbnailimage/jpeg4905https://repositorio.unal.edu.co/bitstream/unal/83074/3/1036662665.2022.pdf.jpgfd263a4e92871565b89d19ee63b25043MD53unal/83074oai:repositorio.unal.edu.co:unal/830742023-08-13 23:04:46.59Repositorio Institucional Universidad Nacional de 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