Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials
For the first time, PbCdI2 alloys in the form of thick films were prepared on a glass substrate using the conventional one-step chemical deposition method. The studies of the structural properties of these films showed that they have a very complex crystal structure, where PbI2 microcrystallites of...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Advances in Condensed Matter Physics |
| Online Access: | http://dx.doi.org/10.1155/2018/2762369 |
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| author | Anatolii P. Bukivskii Yuriy P. Gnatenko Yuri P. Piryatinski Igor V. Fesych Vasyl V. Lendel Vasyl M. Tkach Petro M. Bukivskij |
| author_facet | Anatolii P. Bukivskii Yuriy P. Gnatenko Yuri P. Piryatinski Igor V. Fesych Vasyl V. Lendel Vasyl M. Tkach Petro M. Bukivskij |
| author_sort | Anatolii P. Bukivskii |
| collection | DOAJ |
| description | For the first time, PbCdI2 alloys in the form of thick films were prepared on a glass substrate using the conventional one-step chemical deposition method. The studies of the structural properties of these films showed that they have a very complex crystal structure, where PbI2 microcrystallites of micron and submicron sizes, as well as small nanoclusters (NCLs), are randomly formed in the CdI2 crystal matrix. It was found that the films show intense photo- and cathodoluminescence at room temperature. The temperature dependence of PL spectra of thick PbCdI2 films was studied. The nature of various radiative recombination processes in PbCdI2 films was established and it was shown that their PL spectra at room temperature are equally determined both by surface states in small PbI2 NCLs and by intrinsic defects in microcrystallites. The obtained PbCdI2 thick films can be considered as novel promising semiconductor materials for the development of effective inexpensive scintillator detectors for biomedical and industrial applications. |
| format | Article |
| id | doaj-art-1f6706b10e424ed3a148d5d52f55b720 |
| institution | OA Journals |
| issn | 1687-8108 1687-8124 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Condensed Matter Physics |
| spelling | doaj-art-1f6706b10e424ed3a148d5d52f55b7202025-08-20T02:03:46ZengWileyAdvances in Condensed Matter Physics1687-81081687-81242018-01-01201810.1155/2018/27623692762369Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator MaterialsAnatolii P. Bukivskii0Yuriy P. Gnatenko1Yuri P. Piryatinski2Igor V. Fesych3Vasyl V. Lendel4Vasyl M. Tkach5Petro M. Bukivskij6Institute of Physics, NASU, Prospect Nauky 46, Kyiv 03028, UkraineInstitute of Physics, NASU, Prospect Nauky 46, Kyiv 03028, UkraineInstitute of Physics, NASU, Prospect Nauky 46, Kyiv 03028, UkraineTaras Shevchenko National University of Kyiv, 64 Volodymyrska Str., Kyiv 01601, UkraineTaras Shevchenko National University of Kyiv, 64 Volodymyrska Str., Kyiv 01601, UkraineInstitute for Superhard Materials, NASU, 2 Avtozavodska Str., Kyiv 04074, UkraineInstitute of Physics, NASU, Prospect Nauky 46, Kyiv 03028, UkraineFor the first time, PbCdI2 alloys in the form of thick films were prepared on a glass substrate using the conventional one-step chemical deposition method. The studies of the structural properties of these films showed that they have a very complex crystal structure, where PbI2 microcrystallites of micron and submicron sizes, as well as small nanoclusters (NCLs), are randomly formed in the CdI2 crystal matrix. It was found that the films show intense photo- and cathodoluminescence at room temperature. The temperature dependence of PL spectra of thick PbCdI2 films was studied. The nature of various radiative recombination processes in PbCdI2 films was established and it was shown that their PL spectra at room temperature are equally determined both by surface states in small PbI2 NCLs and by intrinsic defects in microcrystallites. The obtained PbCdI2 thick films can be considered as novel promising semiconductor materials for the development of effective inexpensive scintillator detectors for biomedical and industrial applications.http://dx.doi.org/10.1155/2018/2762369 |
| spellingShingle | Anatolii P. Bukivskii Yuriy P. Gnatenko Yuri P. Piryatinski Igor V. Fesych Vasyl V. Lendel Vasyl M. Tkach Petro M. Bukivskij Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials Advances in Condensed Matter Physics |
| title | Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials |
| title_full | Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials |
| title_fullStr | Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials |
| title_full_unstemmed | Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials |
| title_short | Nature of Radiative Recombination Processes in Layered Heterogeneous PbCdI2 Thick Films: Promising Scintillator Materials |
| title_sort | nature of radiative recombination processes in layered heterogeneous pbcdi2 thick films promising scintillator materials |
| url | http://dx.doi.org/10.1155/2018/2762369 |
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