采用生长掺杂方式制备出了Cu掺杂ZnSe高效量子点,探索了不同Zn、Se前驱体配比对ZnSe晶核以及ZnSe:Cu量子点质量的影响,并研究了Cu离子掺杂过程中的光谱特征.研究表明,进一步通过在表面掺杂的ZnSe:Cu量子点上同质包覆ZnSe壳层,能够实现其发光效率和稳定性的有效提高;采用配体交换能够实现ZnSe:Cu量子点由油溶性到水溶性的转变.这种新型的掺杂量子点有望替代传统含Cd量子点应用于环境友好型固体发光器件和生物标记.
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