物质学院于平课题组与合作者合成原子尺度的Heptauthrene结构,并验证了该结构自旋三重态的存在

ON2019-08-09CATEGORY科研进展

bodog体育bodogtiyuwuzhixueyuanyupingketizuyushanghaijiaotongdaxuewangshiyongketizuhezuo,chenggonghechengyuanzichidudeheptauthrenejiegou,bingyanzhenglegaijiegouzixuansanzhongtaidecunzai。8yue5ri,gaichengguoyi“atomically precise synthesisand characterization of heptauthrene with triplet ground state”weiti,zaiguojizhimingxueshuqikan《nano letters》shangzaixianfabiao。

youyukeyitongguoshejiπdianzituopujiegou,shixiandiaojieqizixuantexing,benxijinamishimoxi(phenalenyl-based nanographenes)zaizhibeizixuandianziqijianlingyujuyouguangfanyingyongqianjing。heptauthrene zuoweiyizhongzhumingdeyoulianggebenxitongguoyigebenhuanlianjieerchengdejingmianjiegou,zaozai1958nianclardengrenzairongyezhongjinxingchangshi。raneryouyuqihuoyuedeshuangziyoujitexing,liyongchuantongdefangshihechengmeiyouqudaijidebenzhengheptauthrenejuyouhendadetiaozhanxing。

bodog体育zaibenyanjiuzhong,yanjiurenyuanliyongjieheshifahuaxueyubiaomianhechengdefangshi,chenggongzaiau(111)chendishanghechengleyuanzijijingquedeheptauthrenebingtongguochaogaofenbiansaomiaosuidaoxianweijingheyuanzilixianweijingdeshiyanshouduan,qingxidibiaozhenglegaijiegou(tu1suoshi)。weiletansuogaijiegoudedianzitaitexing,jiehetight-bindingjisuanyustsdeshiyanshouduan,biaozhengleheptauthrenedefenziguidaoxinxi,bingfaxianzaifeimimianfujindejintengtai,zhengminglegaijiegoucixingdecunzai。weileduigaiwulixianxiangdequanshi,yanjiurenyuantongguobianwenshiyan、diwencichangshiyanyijipeiweihyuanzidetuofushiyan(rutu2suoshi)yanzhengleheptauthrenejuyouzixuansanzhongtaidejitaixingzhi。

bodog体育shanghaikejidaxueshigaixiangyanjiuchengguodediyiwanchengdanwei,yupingketizuboshiyanjiushengsuxuelei、shuoshiyanjiushengduqingyangyijiwangshiyongketizuboshiyanjiushenglicanweigongtongdiyizuozhe,yupingjiaoshou、wangshiyongjiaoshouweigongtongtongxunzuozhe。gaixiangyanjiudedaoleguojiazirankexuejijin、shangkedakeyanqidongzijin、shanghaishikejiqimingxingxiangmuhehuoyingdongqingnianyanjiurenyuanjijindezhichi。

lunwenlianjie:

tu1: heptauthrenedehechengguochengyijigaofenbianlvstmtuxianghehuaxuejianfenbianlvdeafmtuxiang

tu2: peiweihyuanzidetuofushiyanhediwencixingshiyan