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Near infrared emissions from both high efficient quantum cutting (173%) and nearly-pure-color upconversion in NaY(WO₄)₂:Er³⁺/Yb³⁺ with thermal management capability for silicon-based solar cells.

ABSTRACT: Raising photoelectric conversion efficiency and enhancing heat management are two critical concerns for silicon-based solar cells. In this work, efficient Yb³⁺ infrared emissions from both quantum cutting and upconversion were demonstrated by adjusting Er³⁺ and Yb³⁺ concentrations, and thermo-manage-applicable temperature sensing based on the luminescence intensity ratio of two super-low thermal quenching levels was discovered in an Er³⁺/Yb³⁺ co-doped tungstate system. The quantum cutting mechanism was clearly decrypted as a two-step energy transfer process from Er³⁺ to Yb³⁺. The two-step energy transfer efficiencies, the radiative and nonradiative transition rates of all interested 4 f levels of Er³⁺ i

SUBMITTER: Gao D

PROVIDER: S-EPMC10789824 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature

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Near infrared emissions from both high efficient quantum cutting (173%) and nearly-pure-color upconversion in NaY(WO₄)₂:Er³⁺/Yb³⁺ with thermal management capability for silicon-based solar cells.

OmicsDI is part of the ELIXIR infrastructure

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Dataset Information

Near infrared emissions from both high efficient quantum cutting (173%) and nearly-pure-color upconversion in NaY(WO4)2:Er3+/Yb3+ with thermal management capability for silicon-based solar cells.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Near infrared emissions from both high efficient quantum cutting (173%) and nearly-pure-color upconversion in NaY(WO₄)₂:Er³⁺/Yb³⁺ with thermal management capability for silicon-based solar cells.