皮皮学，免费搜题
登录
搜题
【多选题】
以甲氨铅碘CH3NH3PbI3为代表的有机-无机杂化钙钛矿材料,在光电器件中实际应用的两大障碍是( )。A.
包含有毒的Pb元素
B.
呈现内秉不稳定性
C.
光电转化效率低
D.
制造成本高
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】essence, essential, essentially a. In , competitive forces are dynamic and changing all the time. b. Without question, trade is for our economic growth.
【简答题】失去效用而消散为乱七八糟一锅粥
【简答题】Use the phrases from A-F to fill in the blanks.A. competitive enough B. make some allowance C.reconsider them D.come to terms E. in view of F.conclude the dealA:The prices we...
【单选题】In a competitive climate, people are more likely to ________________.
A.
remind the organization of their potential contributions
B.
frame issues in nonthreatening ways
C.
deprive them of the gains
D.
ignore information and opinions from others.
相关题目：