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Abstract:
采用超声电化学阳极氧化法快速制得TiO_2纳米管阵列,在一定范围内提高阳极氧化电压可以有效增大样品的管内径、壁厚和管长。在空气中经500℃煅烧6 h后,以高压汞灯为光源,20 V氧化电压制得的TiO_2纳米管阵列电极表现出比10 V氧化电压电极更好的光电化学特性,其平均光电流密度可达5.6 mA/cm~2,光电压约为0.9 V/_(SCE)。10 V和20 V氧化电压制得的TiO_2纳米管阵列具有相近的平带电势,而后者具有相对较大的光电流和电荷载流子密度。
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Source :
工程热物理学报
Year: 2010
Issue: 08
Volume: 31
Page: 1371-1374
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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