Investigating the optical and electronic properties of halide perovskite inspired antimony compounds
This thesis investigates the optical and electronic properties of ns2 electron containing Antimony compounds. The study is focused on two material systems - A3Sb2I9 and NaSbS2. The work reveals the role of A cation in templating layered A3Sb2I9 structures and the effect of Atomic mass of Metal catio...
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Nanyang Technological University
2020
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sg-ntu-dr.10356-1371212020-11-01T04:55:50Z Investigating the optical and electronic properties of halide perovskite inspired antimony compounds Padinhare Cholakkal Harikesh Nripan Mathews Interdisciplinary Graduate School (IGS) Energy Research Institute @NTU Nripan@ntu.edu.sg Engineering::Materials This thesis investigates the optical and electronic properties of ns2 electron containing Antimony compounds. The study is focused on two material systems - A3Sb2I9 and NaSbS2. The work reveals the role of A cation in templating layered A3Sb2I9 structures and the effect of Atomic mass of Metal cation in affecting defects in these compounds. The partial substitution of Sb with Bi was shown to tune the carriers from p to n type by changing the defects in the material. This work also reported, for the first time, switchable Photovoltaic effect in Lead free perovskites and utilized ionic-electronic coupling in NaSbS2 for potential applications in neuromorphic devices. Doctor of Philosophy 2020-02-26T05:20:24Z 2020-02-26T05:20:24Z 2019 Thesis-Doctor of Philosophy Padinhare Cholakkal Harikesh. (2019). Investigating the optical and electronic properties of halide perovskite inspired antimony compounds. Doctoral thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/137121 10.32657/10356/137121 en This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0). application/pdf Nanyang Technological University |
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Engineering::Materials Padinhare Cholakkal Harikesh Investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
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This thesis investigates the optical and electronic properties of ns2 electron containing Antimony compounds. The study is focused on two material systems - A3Sb2I9 and NaSbS2. The work reveals the role of A cation in templating layered A3Sb2I9 structures and the effect of Atomic mass of Metal cation in affecting defects in these compounds. The partial substitution of Sb with Bi was shown to tune the carriers from p to n type by changing the defects in the material. This work also reported, for the first time, switchable Photovoltaic effect in Lead free perovskites and utilized ionic-electronic coupling in NaSbS2 for potential applications in neuromorphic devices. |
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Nripan Mathews |
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Nripan Mathews Padinhare Cholakkal Harikesh |
format |
Thesis-Doctor of Philosophy |
author |
Padinhare Cholakkal Harikesh |
author_sort |
Padinhare Cholakkal Harikesh |
title |
Investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
title_short |
Investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
title_full |
Investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
title_fullStr |
Investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
title_full_unstemmed |
Investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
title_sort |
investigating the optical and electronic properties of halide perovskite inspired antimony compounds |
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Nanyang Technological University |
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2020 |
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https://hdl.handle.net/10356/137121 |
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