C60 yog daim ntawv ntshiab tshaj plaws ntawm cov pa roj carbon monoxide & nws muaj cov qauv du yam tsis muaj dangling valency.
Qhov twg allotrope ntawm carbon tsis muaj dangling daim ntawv cog lus?
Fullerene tsuas yog daim ntawv ntshiab ntawm cov pa roj carbon monoxide raws li nws muaj cov qauv du tsis muaj dangling bonds.
Puas graphite muaj dangling bonds?
Cov dangling bonds ntawm freshly hnavthiab/los yog rhuab pob zeb diamond (PCD) nto zawv zawg nyob rau hauv tej atmospheric ib puag ncig yog energtically unstable. Lawv rov tsim kho dua tshiab rau qhov chaw zoo li graphite uas muaj kev sib xyaw ntawm ib leeg- thiab ob daim ntawv cog lus kom txo tau lub zog saum npoo.
Puas dangling bonds muaj nyob rau hauv fullerene?
rooj plaub ntawm cov cab cab, qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. uas ob daim ntawv graphene sib npaug zam dangling bonds nyob ib ncig ntawm lawv cov npoolos ntawm kev txuas ob ua ke los ua lub hauv ncoo-zoo li'' fullerene.
Dangling bond in fullerene yog dab tsi?
Nyob rau hauv chemistry, daim ntawv cog lus dangling yog ib qho tsis txaus siab valence ntawm lub atom immobilized. Ib qho atom nrog daim ntawv cog lus dangling kuj tseem hu ua immobilized dawb radical lossis immobilized radical, ib qho kev siv rau nws cov qauv thiab tshuaj zoo sib xws rau cov dawb radical.
