Authors:

Nodebechukwu Mgbodille

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About Paper:

Recently, two-dimensional hybrid halide perovskites (e.g., lead halides sandwiched between organic ligands) have proven to be an excellent class of semiconductors in optoelectronic applications because of their fine tunability and wide variation of optical absorption; however, a complete structure-property relationships profile in terms of the inorganic band alignment is missing. Here, we evaluate different types of band alignments in quantum wells in a systematic manner. Due to the toxicity of lead, we synthesized materials based on tin halides. Large ammonium ligands were synthesized through a series of Stille coupling reactions. The ligand synthesized was used to grow perovskite crystals and the resulting two-dimensional hybrid perovskite is tested for the desired band alignment in its quantum wells. Various band alignments of semiconductor quantum wells will control and manipulate different spectra of light making them versatile for an extensive variety of purposes.

Source:

Purdue University / 2023

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Co-authors:

Nodebechukwu Mgbodille