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One-Step Solution Deposition of Antimony Selenoiodide Films via Precursor Engineering for Lead-Free Solar Cell Applications

Title
One-Step Solution Deposition of Antimony Selenoiodide Films via Precursor Engineering for Lead-Free Solar Cell Applications
Authors
Choi, Yong ChanJung, Kang-Won
DGIST Authors
Choi, Yong Chan; Jung, Kang-Won
Issue Date
2021-12
Citation
Nanomaterials, 11(12), 3206
Type
Article
Author Keywords
antimony selenoiodideSbSeIsolution processsolar cellsone-step method
Keywords
ENERGY
ISSN
2079-4991
Abstract
Ternary chalcohalides are promising lead-free photovoltaic materials with excellent opto-electronic properties. We propose a simple one-step solution-phase precursor-engineering method for antimony selenoiodide (SbSeI) film fabrication. SbSeI films were fabricated by spin-coating the precursor solution, and heating. Various precursor solutions were synthesized by adjusting the molar ratio of two solutions based on SbCl3-selenourea and SbI3. The results suggest that both the molar ratio and the heating temperature play key roles in film phase and morphology. Nanostructured SbSeI films with a high crystallinity were obtained at a molar ratio of 1:1.5 and a temperature of 150 °C. The proposed method could be also used to fabricate (Bi,Sb)SeI. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
URI
http://hdl.handle.net/20.500.11750/15883
https://www.mdpi.com/files/uploaded/covers/nanomaterials/big_cover-nanomaterials-v11-i12.png
DOI
10.3390/nano11123206
Publisher
MDPI
Related Researcher
  • Author Choi, Yong Chan Dr. Choi Group @ DGIST
  • Research Interests Solar Cells; Chalcohalides; chalcohalides; sulfides; selenides
Files:
Collection:
Division of Energy TechnologyDr. Choi Group @ DGIST1. Journal Articles
Division of Energy Technology1. Journal Articles


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