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Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping

Authorized Users Only
2019
Authors
Vujančević, Jelena
Andričević, Pavao
Bjelajac, Anđelika
Đokić, Veljko
Popović, Maja
Rakočević, Zlatko
Horváth, Endre
Kollár, Márton
Náfrádi, Bálint
Schiller, Andreas
Domanski, Konrad
Forró, Laszlo
Pavlović, Vera P.
Janaćković, Đorđe
Article (Published version)
Metadata
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Abstract
Highly ordered, anodically grown TiO 2 nanotubes on titanium supports were annealed in ammonia atmosphere in order to incorporate nitrogen doping (≤2 at.%) in the titanium oxide lattice. FESEM micrographs revealed nanotubes with an average outer diameter of 101.5 ± 1.5 nm and an average wall thickness of about 13 nm. Anatase crystals were formed inside the tubes after annealing in ammonia atmosphere for 30 min. With further annealing, rutile peaks appeared due to the thermal oxidation of the foil and rise as the duration of heat treatment was increased. The concentration and chemical nature of nitrogen in the nanotube arrays can be correlated to the optical response of dry-pressed heterojunctions of doped TiO 2 /CH 3 NH 3 PbI 3 single crystals. The N-TiO 2 /perovskite heterojunction with the highest amount of interstitial nitrogen exhibited an improved photocurrent, indicating the importance of the semiconductor doping-based heterojunction optimization strategies to deliver competitive... levels of halide perovskite-based optoelectronic devices to be envisioned for urban infrastructures. © 2019

Keywords:
optical properties / annealing in NH 3 / methylammonium lead triiodide photodetectors / photocurrent / titanium dioxide nanotubes
Source:
Ceramics International, 2019, 45, 8, 10013-10020
Publisher:
  • Elsevier
Projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
  • Synthesis, processing and applications of nanostructured multifunctional materials with defined properties (RS-45019)
  • Swiss National Science Foundation (No. 160169)
  • ERC advanced grant “PICOPROP” (Grant No. 670918)
Note:
  • Peer-reviewed manuscript: http://dais.sanu.ac.rs/123456789/5084
  • Supplementary information: http://dais.sanu.ac.rs/123456789/5969

DOI: 10.1016/j.ceramint.2019.02.045

ISSN: 0272-8842

WoS: 000465058500040

Scopus: 2-s2.0-85061828876
[ Google Scholar ]
1
2
URI
http://dais.sanu.ac.rs/123456789/5765
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Vujančević, Jelena
AU  - Andričević, Pavao
AU  - Bjelajac, Anđelika
AU  - Đokić, Veljko
AU  - Popović, Maja
AU  - Rakočević, Zlatko
AU  - Horváth, Endre
AU  - Kollár, Márton
AU  - Náfrádi, Bálint
AU  - Schiller, Andreas
AU  - Domanski, Konrad
AU  - Forró, Laszlo
AU  - Pavlović, Vera P.
AU  - Janaćković, Đorđe
PY  - 2019
UR  - http://dais.sanu.ac.rs/123456789/5765
AB  - Highly ordered, anodically grown TiO 2 nanotubes on titanium supports were annealed in ammonia atmosphere in order to incorporate nitrogen doping (≤2 at.%) in the titanium oxide lattice. FESEM micrographs revealed nanotubes with an average outer diameter of 101.5 ± 1.5 nm and an average wall thickness of about 13 nm. Anatase crystals were formed inside the tubes after annealing in ammonia atmosphere for 30 min. With further annealing, rutile peaks appeared due to the thermal oxidation of the foil and rise as the duration of heat treatment was increased. The concentration and chemical nature of nitrogen in the nanotube arrays can be correlated to the optical response of dry-pressed heterojunctions of doped TiO 2 /CH 3 NH 3 PbI 3 single crystals. The N-TiO 2 /perovskite heterojunction with the highest amount of interstitial nitrogen exhibited an improved photocurrent, indicating the importance of the semiconductor doping-based heterojunction optimization strategies to deliver competitive levels of halide perovskite-based optoelectronic devices to be envisioned for urban infrastructures. © 2019
PB  - Elsevier
T2  - Ceramics International
T1  - Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping
SP  - 10013
EP  - 10020
VL  - 45
IS  - 8
DO  - 10.1016/j.ceramint.2019.02.045
ER  - 
@article{
author = "Vujančević, Jelena and Andričević, Pavao and Bjelajac, Anđelika and Đokić, Veljko and Popović, Maja and Rakočević, Zlatko and Horváth, Endre and Kollár, Márton and Náfrádi, Bálint and Schiller, Andreas and Domanski, Konrad and Forró, Laszlo and Pavlović, Vera P. and Janaćković, Đorđe",
year = "2019",
url = "http://dais.sanu.ac.rs/123456789/5765",
abstract = "Highly ordered, anodically grown TiO 2 nanotubes on titanium supports were annealed in ammonia atmosphere in order to incorporate nitrogen doping (≤2 at.%) in the titanium oxide lattice. FESEM micrographs revealed nanotubes with an average outer diameter of 101.5 ± 1.5 nm and an average wall thickness of about 13 nm. Anatase crystals were formed inside the tubes after annealing in ammonia atmosphere for 30 min. With further annealing, rutile peaks appeared due to the thermal oxidation of the foil and rise as the duration of heat treatment was increased. The concentration and chemical nature of nitrogen in the nanotube arrays can be correlated to the optical response of dry-pressed heterojunctions of doped TiO 2 /CH 3 NH 3 PbI 3 single crystals. The N-TiO 2 /perovskite heterojunction with the highest amount of interstitial nitrogen exhibited an improved photocurrent, indicating the importance of the semiconductor doping-based heterojunction optimization strategies to deliver competitive levels of halide perovskite-based optoelectronic devices to be envisioned for urban infrastructures. © 2019",
publisher = "Elsevier",
journal = "Ceramics International",
title = "Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping",
pages = "10013-10020",
volume = "45",
number = "8",
doi = "10.1016/j.ceramint.2019.02.045"
}
Vujančević J, Andričević P, Bjelajac A, Đokić V, Popović M, Rakočević Z, Horváth E, Kollár M, Náfrádi B, Schiller A, Domanski K, Forró L, Pavlović VP, Janaćković Đ. Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping. Ceramics International. 2019;45(8):10013-10020
Vujančević, J., Andričević, P., Bjelajac, A., Đokić, V., Popović, M., Rakočević, Z., Horváth, E., Kollár, M., Náfrádi, B., Schiller, A., Domanski, K., Forró, L., Pavlović, V. P.,& Janaćković, Đ. (2019). Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping.
Ceramics InternationalElsevier., 45(8), 10013-10020.
https://doi.org/10.1016/j.ceramint.2019.02.045
Vujančević Jelena, Andričević Pavao, Bjelajac Anđelika, Đokić Veljko, Popović Maja, Rakočević Zlatko, Horváth Endre, Kollár Márton, Náfrádi Bálint, Schiller Andreas, Domanski Konrad, Forró Laszlo, Pavlović Vera P., Janaćković Đorđe, "Dry-pressed anodized titania nanotube/CH3NH3PbI3 single crystal heterojunctions: The beneficial role of N doping" 45, no. 8 (2019):10013-10020,
https://doi.org/10.1016/j.ceramint.2019.02.045 .

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