Pakistan has expelled about 700 Afghan families in the past five days, a local media outlet channel reported late Saturday.

研究组制备的WBG钙钛矿太阳能电池开路电压（VOC）为1.30伏，相当于辐射VOC极限的93.5%，相对于WBG钙钛矿中观察到的理论限值，其光电压损失最低。