A facile one-step method to reduce surface impurities in solution-processed CuInS2 nanocrystal solar cells
作者： Melissa S Stahl , Hamed Azimi , Christoph J Brabec , None
DOI: 10.1039/C5TA04031K
关键词: One-Step 、 Impurity 、 Nanocrystal 、 Melamine 、 Decomposition 、 Materials science 、 Quantum dot solar cell 、 Inorganic chemistry 、 Nanocrystalline material 、 Thiourea
摘要: The presence of impurities and disorders presents a potential barrier for the success solution processed inorganic nanocrystalline devices. removal typically requires harsh conditions complex procedures that limit utility. This paper demonstrates successful use set solvents, which can efficaciously remove surface formed during in situ deposition CuInS2 nanocrystals. These include hard-to-remove byproduct melamine is by decomposition thiourea at elevated temperatures, other organic residues like amines, conjugated systems, as well ketones, aldehydes or esters. work provides some design rules selection solvents purposes could potentially be used absorber materials well.
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