Dongxu zhao ( condensed matter physics ) directed by prof . dezhen shen and prof . yichun liu zinc oxide ( zno ) is a wide band - gap semiconductor ( 3 . 37 ev at room temperature ) with the high exciton binding energy of 60 mev <中文摘要> = zno是一种宽带隙的半导体材料，室温下它的能隙宽度为3 . 37ev ，激子束缚能高达60mev 。
