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Title: Solution-processed BiI3 thin films for photovoltaic applications: Improved carrier collection via solvent annealing

Abstract

Here, we report all-inorganic solar cells based on solution-processed BiI3. Two-electron donor solvents such as tetrahydrofuran and dimethylformamide were found to form adducts with BiI3, which make them highly soluble in these solvents. BiI3 thin films were deposited by spin-coating. Solvent annealing BiI3 thin films at relatively low temperatures (≤100 °C) resulted in increased grain size and crystallographic reorientation of grains within the films. The BiI3 films were stable against oxidation for several months and could withstand several hours of annealing in air at temperatures below 150 °C without degradation. Surface oxidation was found to improve photovoltaic device performance due to the formation of a BiOI layer at the BiI3 surface which facilitated hole extraction. Nonoptimized BiI3 solar cells achieved the highest power conversion efficiencies of 1.0%, demonstrating the potential of BiI3 as a nontoxic, air-stable metal-halide absorber material for photovoltaic applications.

Authors:
 [1];  [1];  [1];  [1];  [2];  [1];  [2];  [1]
  1. Iowa State Univ., Ames, IA (United States)
  2. (United States)
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Science (SC), Workforce Development for Teachers and Scientists (WDTS) (SC-27)
OSTI Identifier:
1337669
Report Number(s):
IS-J-9138
Journal ID: ISSN 0897-4756
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Chemistry of Materials
Additional Journal Information:
Journal Volume: 28; Journal Issue: 18; Journal ID: ISSN 0897-4756
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Hamdeh, Umar H., Nelson, Rainie D., Ryan, Bradley J., Bhattacharjee, Ujjal, Ames Lab., Ames, IA, Petrich, Jacob W., Ames Lab., Ames, IA, and Panthani, Matthew G. Solution-processed BiI3 thin films for photovoltaic applications: Improved carrier collection via solvent annealing. United States: N. p., 2016. Web. doi:10.1021/acs.chemmater.6b02347.
Hamdeh, Umar H., Nelson, Rainie D., Ryan, Bradley J., Bhattacharjee, Ujjal, Ames Lab., Ames, IA, Petrich, Jacob W., Ames Lab., Ames, IA, & Panthani, Matthew G. Solution-processed BiI3 thin films for photovoltaic applications: Improved carrier collection via solvent annealing. United States. doi:10.1021/acs.chemmater.6b02347.
Hamdeh, Umar H., Nelson, Rainie D., Ryan, Bradley J., Bhattacharjee, Ujjal, Ames Lab., Ames, IA, Petrich, Jacob W., Ames Lab., Ames, IA, and Panthani, Matthew G. Fri . "Solution-processed BiI3 thin films for photovoltaic applications: Improved carrier collection via solvent annealing". United States. doi:10.1021/acs.chemmater.6b02347. https://www.osti.gov/servlets/purl/1337669.
@article{osti_1337669,
title = {Solution-processed BiI3 thin films for photovoltaic applications: Improved carrier collection via solvent annealing},
author = {Hamdeh, Umar H. and Nelson, Rainie D. and Ryan, Bradley J. and Bhattacharjee, Ujjal and Ames Lab., Ames, IA and Petrich, Jacob W. and Ames Lab., Ames, IA and Panthani, Matthew G.},
abstractNote = {Here, we report all-inorganic solar cells based on solution-processed BiI3. Two-electron donor solvents such as tetrahydrofuran and dimethylformamide were found to form adducts with BiI3, which make them highly soluble in these solvents. BiI3 thin films were deposited by spin-coating. Solvent annealing BiI3 thin films at relatively low temperatures (≤100 °C) resulted in increased grain size and crystallographic reorientation of grains within the films. The BiI3 films were stable against oxidation for several months and could withstand several hours of annealing in air at temperatures below 150 °C without degradation. Surface oxidation was found to improve photovoltaic device performance due to the formation of a BiOI layer at the BiI3 surface which facilitated hole extraction. Nonoptimized BiI3 solar cells achieved the highest power conversion efficiencies of 1.0%, demonstrating the potential of BiI3 as a nontoxic, air-stable metal-halide absorber material for photovoltaic applications.},
doi = {10.1021/acs.chemmater.6b02347},
journal = {Chemistry of Materials},
number = 18,
volume = 28,
place = {United States},
year = {2016},
month = {8}
}

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Works referencing / citing this record:

CCDC 1508633: Experimental Crystal Structure Determination: UXEYON : tri-sodium dodecakis(μ-iodo)-dodecaiodo-hepta-bismuth tetrahydrofuran solvate
dataset, October 2016


Strongly Enhanced Photovoltaic Performance and Defect Physics of Air-Stable Bismuth Oxyiodide (BiOI)
journal, July 2017

  • Hoye, Robert L. Z.; Lee, Lana C.; Kurchin, Rachel C.
  • Advanced Materials, Vol. 29, Issue 36
  • DOI: 10.1002/adma.201702176

Colloidal thallium halide nanocrystals with reasonable luminescence, carrier mobility and diffusion length
journal, January 2017

  • Mir, Wasim J.; Warankar, Avinash; Acharya, Ashutosh
  • Chemical Science, Vol. 8, Issue 6
  • DOI: 10.1039/c7sc01219e

Strongly Enhanced Photovoltaic Performance and Defect Physics of Air-Stable Bismuth Oxyiodide (BiOI)
text, January 2017

  • Hoye, Robert; Lee, Lana; Kurchin, Rc
  • Apollo - University of Cambridge Repository
  • DOI: 10.17863/cam.12816