Functional nanostructures for electrochemical catalytical activities

The discovery of nanomaterials has proven to be one of the phenomenal breakthroughs in the history of scientific research. With its versatile properties and wide applicability in various fields, researchers are keen to explore more on how nanomaterials can further integrate into our daily lives. Thi...

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Main Author: Zhang, Yunlu
Other Authors: Huang Yizhong
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2020
Subjects:
Online Access:https://hdl.handle.net/10356/140474
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1404742023-03-04T15:47:54Z Functional nanostructures for electrochemical catalytical activities Zhang, Yunlu Huang Yizhong School of Materials Science and Engineering YZHuang@ntu.edu.sg Engineering::Materials::Nanostructured materials The discovery of nanomaterials has proven to be one of the phenomenal breakthroughs in the history of scientific research. With its versatile properties and wide applicability in various fields, researchers are keen to explore more on how nanomaterials can further integrate into our daily lives. This project aims to study the synthesis of functional ZnO nanostructures for electrochemical catalytical activities. ZnO nanorods were synthesised by hydrothermal synthesis with zinc nitrate hexahydrate and hexamethylenetetramine (HMT) as the precursors. SEM and FIB imaging showed that ZnO nanorods were successfully synthesised along with the variation of experimental parameters such as type of substrate, reactant concentration, reactant concentration ratio, temperature and sputtering. The ZnO nanorods were also of high purity and crystallinity based on the EDS spectrum and XRD pattern obtained. However, there were some unique nanostructure observed and presence of two types of nanostructures on a single substrate which will be discussed. The electrochemical catalytical activities of the samples were evaluated in terms of their OER performance using a three-electrode system. Based on the results obtained, the ZnO nanorod samples exhibited great stability against time. Bachelor of Engineering (Materials Engineering) 2020-05-29T07:16:05Z 2020-05-29T07:16:05Z 2020 Final Year Project (FYP) https://hdl.handle.net/10356/140474 en application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Materials::Nanostructured materials
spellingShingle Engineering::Materials::Nanostructured materials
Zhang, Yunlu
Functional nanostructures for electrochemical catalytical activities
description The discovery of nanomaterials has proven to be one of the phenomenal breakthroughs in the history of scientific research. With its versatile properties and wide applicability in various fields, researchers are keen to explore more on how nanomaterials can further integrate into our daily lives. This project aims to study the synthesis of functional ZnO nanostructures for electrochemical catalytical activities. ZnO nanorods were synthesised by hydrothermal synthesis with zinc nitrate hexahydrate and hexamethylenetetramine (HMT) as the precursors. SEM and FIB imaging showed that ZnO nanorods were successfully synthesised along with the variation of experimental parameters such as type of substrate, reactant concentration, reactant concentration ratio, temperature and sputtering. The ZnO nanorods were also of high purity and crystallinity based on the EDS spectrum and XRD pattern obtained. However, there were some unique nanostructure observed and presence of two types of nanostructures on a single substrate which will be discussed. The electrochemical catalytical activities of the samples were evaluated in terms of their OER performance using a three-electrode system. Based on the results obtained, the ZnO nanorod samples exhibited great stability against time.
author2 Huang Yizhong
author_facet Huang Yizhong
Zhang, Yunlu
format Final Year Project
author Zhang, Yunlu
author_sort Zhang, Yunlu
title Functional nanostructures for electrochemical catalytical activities
title_short Functional nanostructures for electrochemical catalytical activities
title_full Functional nanostructures for electrochemical catalytical activities
title_fullStr Functional nanostructures for electrochemical catalytical activities
title_full_unstemmed Functional nanostructures for electrochemical catalytical activities
title_sort functional nanostructures for electrochemical catalytical activities
publisher Nanyang Technological University
publishDate 2020
url https://hdl.handle.net/10356/140474
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