图1 (IMAGE) Science China Press Caption (a) WS2/WSe2异质结的光学照片;(b) 异质结中低能新激子峰的峰位随堆叠角度变化的依赖关系;(c) 动量分辨的新激子峰的荧光成像。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original 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.