应用化工
應用化工
응용화공
APPLIED CHEMICAL INDUSTRY
2015年
4期
633-635
,共3页
王彩红%王芳%党艳秋%胡相明
王綵紅%王芳%黨豔鞦%鬍相明
왕채홍%왕방%당염추%호상명
水热法%α-Fe2O3%气敏
水熱法%α-Fe2O3%氣敏
수열법%α-Fe2O3%기민
hydrothermal method%α-Fe2 O3%gas sensing
以Fe（NO3）3·9H2O、NaOH和CTAB为原料，用水热法合成了α-Fe2O3纳米粉体。用X射线粉末衍射（ XRD）和透射电子显微镜（ TEM）对粉体的物相、形貌进行了表征，并将粉体制成气敏元件，进行了气敏性能测试。结果表明，样品为形状规则的立方体颗粒，粒径为60～80 nm，元件对乙醇具有较高的灵敏度。
以Fe（NO3）3·9H2O、NaOH和CTAB為原料，用水熱法閤成瞭α-Fe2O3納米粉體。用X射線粉末衍射（ XRD）和透射電子顯微鏡（ TEM）對粉體的物相、形貌進行瞭錶徵，併將粉體製成氣敏元件，進行瞭氣敏性能測試。結果錶明，樣品為形狀規則的立方體顆粒，粒徑為60～80 nm，元件對乙醇具有較高的靈敏度。
이Fe（NO3）3·9H2O、NaOH화CTAB위원료，용수열법합성료α-Fe2O3납미분체。용X사선분말연사（ XRD）화투사전자현미경（ TEM）대분체적물상、형모진행료표정，병장분체제성기민원건，진행료기민성능측시。결과표명，양품위형상규칙적립방체과립，립경위60～80 nm，원건대을순구유교고적령민도。
Nanometer material α-Fe2 O3 was synthesized by hydrothermal method using Fe ( NO3 ) 3 · 9H2 O,NaOH and CTAB as raw materials.The structure,crystal phase and morphology of the powder were characterized by XRD and TEM .Gas sensor based on Fe 2 O3 powder was prepared and gas sensing proper-ties were investigated .The results showed that samples were regular cube particles and their grain sizes were about 60~80 nm.The gas senor exhibited good response to ethanol .
