陕西科技大学学报(自然科学版)
陝西科技大學學報(自然科學版)
협서과기대학학보(자연과학판)
Journal of Shaanxi University of Science and Technology (Natural Science Edition)
2015年
6期
40-43
,共4页
李军奇%周健%郝红娟%崔明明
李軍奇%週健%郝紅娟%崔明明
리군기%주건%학홍연%최명명
六方氮化硼%高温反应%化学剥离法
六方氮化硼%高溫反應%化學剝離法
륙방담화붕%고온반응%화학박리법
hexagonal boron nitride%pyroreaction%chemical exfoliation
采用两种方法制备了具有一定层数、比表面积较大的氮化硼纳米片.其中,一种是以硼酸(H3BO3)和尿素(H2NCONH2)为主要原料通过高温反应而制备;另一种是以氮化硼(BN)粉末为原料通过化学剥离法而制备.采用XRD、Raman、SEM 、TEM 测试对产物的结晶度、形貌及尺寸做了分析.结果表明:高温反应制备的氮化硼纳米片结晶性较差,直径大小约2μm,厚度约2nm ;化学剥离法得到的氮化硼纳米片结晶性较好,直径约80nm,厚度4~5nm.
採用兩種方法製備瞭具有一定層數、比錶麵積較大的氮化硼納米片.其中,一種是以硼痠(H3BO3)和尿素(H2NCONH2)為主要原料通過高溫反應而製備;另一種是以氮化硼(BN)粉末為原料通過化學剝離法而製備.採用XRD、Raman、SEM 、TEM 測試對產物的結晶度、形貌及呎吋做瞭分析.結果錶明:高溫反應製備的氮化硼納米片結晶性較差,直徑大小約2μm,厚度約2nm ;化學剝離法得到的氮化硼納米片結晶性較好,直徑約80nm,厚度4~5nm.
채용량충방법제비료구유일정층수、비표면적교대적담화붕납미편.기중,일충시이붕산(H3BO3)화뇨소(H2NCONH2)위주요원료통과고온반응이제비;령일충시이담화붕(BN)분말위원료통과화학박리법이제비.채용XRD、Raman、SEM 、TEM 측시대산물적결정도、형모급척촌주료분석.결과표명:고온반응제비적담화붕납미편결정성교차,직경대소약2μm,후도약2nm ;화학박리법득도적담화붕납미편결정성교호,직경약80nm,후도4~5nm.
A certain layer ,specific surface area and large pieces of boron nitride nanosheets were successfully fabricated through two simple methods .The first one is fabricated through pyroreaction by using H3BO3 as the source of the boron and H2 NCONH2 as the source of the nitrid ,the second method was successfully fabricated through chemical exfoliation by using the boron nitride powder .The crystallinity ,morphology and size of the sample were charac‐terized by X‐ray powder diffraction (XRD) ,Raman ,scanning electron microscope (SEM ) and transmission electron microscopy (TEM) .The results showed that the crystalline of bo‐ron nitride nanosheets is poor ,the diameter is about 2 μm and the thickness is about 2 nm , which was fabricated by pyroreaction .The boron nitride nanosheets has been successfully fabricated by chemical exfoliation w hich has high crystalline , the diameter is 80 nm ,the thickness is about 4~5 nm .