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gohappy

铜虫 (正式写手)

[求助] 翻译一段英语为中文

Xu et al. recently reported the preparation of a
visible-light active TiO2/ZnFe2O4 photocatalyst via conventional
liquid-phase transformation using the sol-gel method.26
The formation of highly dispersed zinc ferrite nanoparticles (less
than 5 nm in size, with imperfect crystallization) on the TiO2
material prevented the formation of the rutile phase to some
extent. The advantage of this material was the coupling of the
relatively narrow band gap for ZnFe2O4 (light absorbing semiconductor)
and the wide band gap of titania, which resulted in a
semiconductor system with an enhanced primary charge separation
and photocatalytic activity under visible light irradiation.
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xiaoj9663

铁杆木虫 (职业作家)

【答案】应助回帖

gohappy(金币+5, 翻译EPI+1): ★★★很有帮助 3q 2012-02-23 16:37:08
Xu等最近报道了一个通过传统的使用溶胶- 凝胶法液相改造制备可见的光活性TiO2/ZnFe2O4的光催化剂。在TiO2材料上形成的高度分散锌铁纳米粒子(小于5纳米,具有不完全结晶)在一定程度上防止形成金红石相。这种材料的优点是结合了相对狭窄的带隙的ZnFe2O4(吸光半导体)和宽带隙的二氧化钛,使半导体系统具有增强的初级电荷分离和可见光照射下的光催化活性。
2楼2012-02-23 16:33:07
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