Multinary light absorbing semiconductor nanocrystals with diversified electronic and optical properties

Soubantika Palchoudhury; Benjamin T. Diroll; Panchapakesan Ganesh; Jessica Cobos; Sohini Sengupta; Jingsong Huang

doi:10.1039/d4na00043a

Multinary light absorbing semiconductor nanocrystals with diversified electronic and optical properties

Soubantika Palchoudhury
, Benjamin T. Diroll
, Panchapakesan Ganesh
, Jessica Cobos
, Sohini Sengupta
, Jingsong Huang

Nanomaterials Theory Institute

Research output: Contribution to journal › Article › peer-review

Abstract

We report multinary CuZn₂AS_xSe_4−x semiconductor nanocrystals in a wurtzite phase, achieved via hot-injection synthesis. These nanocrystals exhibit a tunable bandgap and photoluminescence in the visible range. We employ density functional theory and virtual crystal approximation to reveal the bandgap trends influenced by the main group metals and S/Se alloying.

Original language	English
Pages (from-to)	3785-3792
Number of pages	8
Journal	Nanoscale Advances
Volume	6
Issue number	15
DOIs	https://doi.org/10.1039/d4na00043a
State	Published - Jun 4 2024

Funding

This work was supported by the Intel Ohio-southwest Alliance on Semiconductors and Integrated Scalable Manufacturing (OASIS) grant, and National Science Foundation REU Award #2244146, CNM ANL user project, and CNMS ORNL user project. TEM and TRPL were performed at the Center for Nanoscale Materials (CNM), a US Department of Energy Office of Science User Facility at Argonne National Laboratory, supported by the Office of Basic Energy Sciences under contract no. DE-AC02-06CH11357. DFT calculations were conducted at the Center for Nanophase Materials Sciences (CNMS), which is a US Department of Energy Office of Science User Facility at Oak Ridge National Laboratory.

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10.1039/d4na00043a

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abstract = "We report multinary CuZn2ASxSe4−x semiconductor nanocrystals in a wurtzite phase, achieved via hot-injection synthesis. These nanocrystals exhibit a tunable bandgap and photoluminescence in the visible range. We employ density functional theory and virtual crystal approximation to reveal the bandgap trends influenced by the main group metals and S/Se alloying.",

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AU - Palchoudhury, Soubantika

AU - Diroll, Benjamin T.

AU - Ganesh, Panchapakesan

AU - Cobos, Jessica

AU - Sengupta, Sohini

AU - Huang, Jingsong

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AB - We report multinary CuZn2ASxSe4−x semiconductor nanocrystals in a wurtzite phase, achieved via hot-injection synthesis. These nanocrystals exhibit a tunable bandgap and photoluminescence in the visible range. We employ density functional theory and virtual crystal approximation to reveal the bandgap trends influenced by the main group metals and S/Se alloying.

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Multinary light absorbing semiconductor nanocrystals with diversified electronic and optical properties

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