Development of perovskite-based light emitting diodes with improved stability 5.0
The display industry has been involved in evolving, high-colour concentration, economical and high-capability emitters for use in electronic devices. Hence perovskite LEDs may become the in-market demand due to their better adaptation, high efficiency and lower cost by changing the atomic compositio...
Main Author: | |
---|---|
Other Authors: | |
Format: | Final Year Project (FYP) |
Language: | English |
Published: |
2019
|
Subjects: | |
Online Access: | http://hdl.handle.net/10356/78236 |
_version_ | 1826121712852271104 |
---|---|
author | Wang, Melvin Jingkai |
author2 | Yong Ken Tye |
author_facet | Yong Ken Tye Wang, Melvin Jingkai |
author_sort | Wang, Melvin Jingkai |
collection | NTU |
description | The display industry has been involved in evolving, high-colour concentration, economical and high-capability emitters for use in electronic devices. Hence perovskite LEDs may become the in-market demand due to their better adaptation, high efficiency and lower cost by changing the atomic composition in the perovskite structure, meaning, be easily tuned to emit specific colours. As such, development of a perovskite LEDs will be explored in this report. Comparing to conventional lighting materials, Cesium lead halide perovskite nanocrystals (CsPbX3) emits light more rapidly and strongly. Producing nanocrystals from lead halide perovskites by substituting either with iodine chlorine, or bromine, swiftly emit different coloured light through the range of visible wavelengths. These are factors that allow them to be suitable for making LEDs. The process can be made via solution and doesn’t require much energy expanded and temperatures to be heated highly. With this knowledge, a substantial of these materials can be worked onto numerous substrates. This report serves to present the fabrication process of colours red, green, and blue with Microwave Irradiation Method for perovskite LEDs, thereafter with improved stability through surface ligand management. |
first_indexed | 2024-10-01T05:36:42Z |
format | Final Year Project (FYP) |
id | ntu-10356/78236 |
institution | Nanyang Technological University |
language | English |
last_indexed | 2024-10-01T05:36:42Z |
publishDate | 2019 |
record_format | dspace |
spelling | ntu-10356/782362023-07-07T16:05:14Z Development of perovskite-based light emitting diodes with improved stability 5.0 Wang, Melvin Jingkai Yong Ken Tye School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering The display industry has been involved in evolving, high-colour concentration, economical and high-capability emitters for use in electronic devices. Hence perovskite LEDs may become the in-market demand due to their better adaptation, high efficiency and lower cost by changing the atomic composition in the perovskite structure, meaning, be easily tuned to emit specific colours. As such, development of a perovskite LEDs will be explored in this report. Comparing to conventional lighting materials, Cesium lead halide perovskite nanocrystals (CsPbX3) emits light more rapidly and strongly. Producing nanocrystals from lead halide perovskites by substituting either with iodine chlorine, or bromine, swiftly emit different coloured light through the range of visible wavelengths. These are factors that allow them to be suitable for making LEDs. The process can be made via solution and doesn’t require much energy expanded and temperatures to be heated highly. With this knowledge, a substantial of these materials can be worked onto numerous substrates. This report serves to present the fabrication process of colours red, green, and blue with Microwave Irradiation Method for perovskite LEDs, thereafter with improved stability through surface ligand management. Bachelor of Engineering (Electrical and Electronic Engineering) 2019-06-13T08:53:49Z 2019-06-13T08:53:49Z 2019 Final Year Project (FYP) http://hdl.handle.net/10356/78236 en Nanyang Technological University 57 p. application/pdf |
spellingShingle | DRNTU::Engineering::Electrical and electronic engineering Wang, Melvin Jingkai Development of perovskite-based light emitting diodes with improved stability 5.0 |
title | Development of perovskite-based light emitting diodes with improved stability 5.0 |
title_full | Development of perovskite-based light emitting diodes with improved stability 5.0 |
title_fullStr | Development of perovskite-based light emitting diodes with improved stability 5.0 |
title_full_unstemmed | Development of perovskite-based light emitting diodes with improved stability 5.0 |
title_short | Development of perovskite-based light emitting diodes with improved stability 5.0 |
title_sort | development of perovskite based light emitting diodes with improved stability 5 0 |
topic | DRNTU::Engineering::Electrical and electronic engineering |
url | http://hdl.handle.net/10356/78236 |
work_keys_str_mv | AT wangmelvinjingkai developmentofperovskitebasedlightemittingdiodeswithimprovedstability50 |