【摘 要】
：
We demonstrate a simple while very effective approach to tune the photoluminescence(PL) performance of monolayer MoS_2 by dipping into the H_2O_2 aqueous soluti
【机 构】
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Key Laboratory of Photonic and Electronic Materials and School of Electronic Science and Engineering
【出 处】
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Chinese Physics Letters
论文部分内容阅读
We demonstrate a simple while very effective approach to tune the photoluminescence(PL) performance of monolayer MoS_2 by dipping into the H_2O_2 aqueous solution,which is a strong oxidizer that extracts electrons from the MoS_2 sheet within several seconds without damaging the crystal structure.During this process,the trion(electron-coupled exciton,X~-) is transformed into an exciton(X~°),and thus achieves a greatly enhanced PL performance.These results indicate a convenient way to tune and to control the PL luminescence from monolayer MoS_2 and thus lay a basis for the MoS_2-based optoelectronic application.
We demonstrate a simple while very effective approach to tune the photoluminescence (PL) performance of monolayer MoS_2 by dipping into the H 2 O 2 aqueous solution, which is a strong oxidizer that extracts electrons from the MoS_2 sheet within several seconds without damaging the crystal structure. process, the trion (electron-coupled exciton, X ~ -) is transformed into an exciton (X ~ °), and thus achieves a greatly enhanced PL performance.These results indicate a convenient way to tune and to control the PL luminescence from monolayer MoS_2 and thus lay a foundation for the MoS_2-based optoelectronic application.
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