Materials science
https://openalex.org/C192562407
https://www.wikidata.org/wiki/Q228736
Optoelectronics
https://openalex.org/C49040817
https://www.wikidata.org/wiki/Q193091
Photovoltaic system
https://openalex.org/C41291067
https://www.wikidata.org/wiki/Q1897785
Energy conversion efficiency
https://openalex.org/C206991015
https://www.wikidata.org/wiki/Q192704
Solar energy
https://openalex.org/C541104983
https://www.wikidata.org/wiki/Q40015
Ray
https://openalex.org/C182610534
https://www.wikidata.org/wiki/Q633620
Titanium dioxide
https://openalex.org/C2777593239
https://www.wikidata.org/wiki/Q193521
Solar cell
https://openalex.org/C2780824857
https://www.wikidata.org/wiki/Q58803
Energy transformation
https://openalex.org/C144822601
https://www.wikidata.org/wiki/Q11271324
Electricity generation
https://openalex.org/C423512
https://www.wikidata.org/wiki/Q383973
Optics
https://openalex.org/C120665830
https://www.wikidata.org/wiki/Q14620
Describing the process: expressing purpose with for
For the next two questions, a Likert scale was used.
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Describing Methods section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Optoelectronics".
Paper: "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells"
Function: "Describing the process: expressing purpose with for".
Example Sentence: "For the next two questions, a Likert scale was used.". [/INST]