在常压条件下,以油酸为分散剂一步反应醇热法制备ZnO纳米棒,利用XRD、SEM、TEM、HRTEM和FTIR等分析技术对产物进行了表征,对产物退火前后的光致发光性能进行了测试,并对ZnO纳米棒生长机理进行讨论. 结果表明,ZnO纳米棒沿[001]方向择优取向生长,直径为10~15 nm,长度为150~200 nm,油酸与ZnO表面Zn(Ⅱ)以螯合键形式相结合,具有良好的近紫外发光性能. 随着退火温度升高,产物深能级发光强度先降低后增加.
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