Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite
Despite that organic-inorganic lead halide perovskites have attracted enormous scientific attention for energy conversion applications over the recent years, the influence of temperature and the type of the employed hole transport layer (HTL) on the charge carrier dynamics and recombination processe...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Editorial Office of Opto-Electronic Journals, Institute of Optics and Electronics, CAS, China
2022-04-01
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| Series: | Opto-Electronic Science |
| Subjects: | |
| Online Access: | https://www.oejournal.org/article/doi/10.29026/oes.2022.210005 |
| _version_ | 1797374892732055552 |
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| author | Efthymis Serpetzoglou Ioannis Konidakis George Kourmoulakis Ioanna Demeridou Konstantinos Chatzimanolis Christos Zervos George Kioseoglou Emmanuel Kymakis Emmanuel Stratakis |
| author_facet | Efthymis Serpetzoglou Ioannis Konidakis George Kourmoulakis Ioanna Demeridou Konstantinos Chatzimanolis Christos Zervos George Kioseoglou Emmanuel Kymakis Emmanuel Stratakis |
| author_sort | Efthymis Serpetzoglou |
| collection | DOAJ |
| description | Despite that organic-inorganic lead halide perovskites have attracted enormous scientific attention for energy conversion applications over the recent years, the influence of temperature and the type of the employed hole transport layer (HTL) on the charge carrier dynamics and recombination processes in perovskite photovoltaic devices is still largely unexplored. In particular, significant knowledge is missing on how these crucial parameters for radiative and non-radiative recombinations, as well as for efficient charge extraction vary among different perovskite crystalline phases that are induced by temperature variation. Herein, we perform micro photoluminescence (μPL) and ultrafast time resolved transient absorption spectroscopy (TAS) in Glass/Perovskite and two different Glass/ITO/HTL/Perovskite configurations at temperatures below room temperature, in order to probe the charge carrier dynamics of different perovskite crystalline phases, while considering also the effect of the employed HTL polymer. Namely, CH3NH3PbI3 films were deposited on Glass, PEDOT:PSS and PTAA polymers, and the developed Glass/CH3NH3PbI3 and Glass/ITO/HTL/CH3NH3PbI3 architectures were studied from 85 K up to 215 K in order to explore the charge extraction dynamics of the CH3NH3PbI3 orthorhombic and tetragonal crystalline phases. It is observed an unusual blueshift of the bandgap with temperature and the dual emission at temperature below of 100 K and also, that the charge carrier dynamics, as expressed by hole injection times and free carrier recombination rates, are strongly depended on the actual pervoskite crystal phase, as well as, from the selected hole transport material. |
| first_indexed | 2024-03-08T19:13:15Z |
| format | Article |
| id | doaj.art-20442087bbf745f28bf347870ad147e8 |
| institution | Directory Open Access Journal |
| issn | 2097-0382 |
| language | English |
| last_indexed | 2024-03-08T19:13:15Z |
| publishDate | 2022-04-01 |
| publisher | Editorial Office of Opto-Electronic Journals, Institute of Optics and Electronics, CAS, China |
| record_format | Article |
| series | Opto-Electronic Science |
| spelling | doaj.art-20442087bbf745f28bf347870ad147e82023-12-27T09:10:34ZengEditorial Office of Opto-Electronic Journals, Institute of Optics and Electronics, CAS, ChinaOpto-Electronic Science2097-03822022-04-011411010.29026/oes.2022.210005oes-2021-0005-EmmanuelStratakisCharge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskiteEfthymis Serpetzoglou0Ioannis Konidakis1George Kourmoulakis2Ioanna Demeridou3Konstantinos Chatzimanolis4Christos Zervos5George Kioseoglou6Emmanuel Kymakis7Emmanuel Stratakis8Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Herakleio 70013, GreeceInstitute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Herakleio 70013, GreeceInstitute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Herakleio 70013, GreeceInstitute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Herakleio 70013, GreeceElectrical and Computer Engineering Department, Hellenic Mediterranean University, Herakleio 71004, GreeceElectrical and Computer Engineering Department, Hellenic Mediterranean University, Herakleio 71004, GreeceInstitute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Herakleio 70013, GreeceElectrical and Computer Engineering Department, Hellenic Mediterranean University, Herakleio 71004, GreeceInstitute of Electronic Structure and Laser (IESL), Foundation for Research and Technology-Hellas (FORTH), Herakleio 70013, GreeceDespite that organic-inorganic lead halide perovskites have attracted enormous scientific attention for energy conversion applications over the recent years, the influence of temperature and the type of the employed hole transport layer (HTL) on the charge carrier dynamics and recombination processes in perovskite photovoltaic devices is still largely unexplored. In particular, significant knowledge is missing on how these crucial parameters for radiative and non-radiative recombinations, as well as for efficient charge extraction vary among different perovskite crystalline phases that are induced by temperature variation. Herein, we perform micro photoluminescence (μPL) and ultrafast time resolved transient absorption spectroscopy (TAS) in Glass/Perovskite and two different Glass/ITO/HTL/Perovskite configurations at temperatures below room temperature, in order to probe the charge carrier dynamics of different perovskite crystalline phases, while considering also the effect of the employed HTL polymer. Namely, CH3NH3PbI3 films were deposited on Glass, PEDOT:PSS and PTAA polymers, and the developed Glass/CH3NH3PbI3 and Glass/ITO/HTL/CH3NH3PbI3 architectures were studied from 85 K up to 215 K in order to explore the charge extraction dynamics of the CH3NH3PbI3 orthorhombic and tetragonal crystalline phases. It is observed an unusual blueshift of the bandgap with temperature and the dual emission at temperature below of 100 K and also, that the charge carrier dynamics, as expressed by hole injection times and free carrier recombination rates, are strongly depended on the actual pervoskite crystal phase, as well as, from the selected hole transport material.https://www.oejournal.org/article/doi/10.29026/oes.2022.210005transient absorption spectroscopyμ-photoluminescencevariable temperatureperovskite crystalline phaseshole transport layercharge carrier dynamics |
| spellingShingle | Efthymis Serpetzoglou Ioannis Konidakis George Kourmoulakis Ioanna Demeridou Konstantinos Chatzimanolis Christos Zervos George Kioseoglou Emmanuel Kymakis Emmanuel Stratakis Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite Opto-Electronic Science transient absorption spectroscopy μ-photoluminescence variable temperature perovskite crystalline phases hole transport layer charge carrier dynamics |
| title | Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite |
| title_full | Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite |
| title_fullStr | Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite |
| title_full_unstemmed | Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite |
| title_short | Charge carrier dynamics in different crystal phases of CH3NH3PbI3 perovskite |
| title_sort | charge carrier dynamics in different crystal phases of ch3nh3pbi3 perovskite |
| topic | transient absorption spectroscopy μ-photoluminescence variable temperature perovskite crystalline phases hole transport layer charge carrier dynamics |
| url | https://www.oejournal.org/article/doi/10.29026/oes.2022.210005 |
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