图2 (IMAGE) Science China Press Caption ZnO量子点的单、双电子泵浦: (a) 泵浦电压为3 V; (c) 泵浦电压为2.7 V. 泵浦电流和脉冲频率的函数关系: (b) 泵浦电压为3 V; (d) 泵浦电压为2.7 V Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.