the catalyst for the destruction of

the catalyst for the destruction of microcystin-LR (MC-LR) under
visible light irradiation ( > 420 nm). They considered that the electrostatic
interactions between MC-LR and the N–F-codoped TiO2
favored the photocatalytic degradation, and cooperation effects
induced by codoping with nitrogen and fluorine are responsible
for higher photocatalytic activity [18]. The boron and nitrogen
codoped TiO2 were prepared by Xing et al., using a novel double
hydrothermal method. All of the codoped compounds had higher
photocatalytic activities for MO degradation than single element
doped TiO2. Density functional theory simulations were used to
investigate the B–N synergistic effect, indicating that the B–N synergistic
effect at the (1 0 1) surface could largely reduce the band
gap, improving the photoactivity under visible light [19]. N and La
co-doped nanocrystalline titania photocatalysts showing excellent
photodegradation of Rhodamine B were prepared in a homogeneous
precipitation-hydrothermal process by Cong et al. They
considered that the probable mechanism was a synergistic effect
of co-doping. The nitrogen doping could narrow the band gap of
titania and enhance the utilization efficiency of visible light, while
the La3+ doping could accelerate the separation of photo-generated
electrons and holes [20]. Wu et al. prepared nanoparticles of TiO2
modified with carbon and iron by sol–gel followed solvothermal
method at low temperature. Superior photocatalytic activity of TiO2
modified with carbon and iron was observed for the decomposition
of acid orange 7 (AO7) under visible light irradiation. The synergistic
effects of carbon and iron in modified TiO2 nanoparticles were
responsible for improving visible light photocatalytic activity [21].
The sol–gel process and solvothermal method have been widely
used to synthesize TiO2-based photocatalyst. The incorporation of

Results (English) 2:

对微囊藻毒素LR（MC-LR）破坏催化剂在可见光照射下
（ > 420 nm）。他们认为，MC-LR和N–共掺杂TiO2的光催化降解
青睐之间的静电相互作用和协同作用

，通过共掺杂氮和氟是更高的光催化活性[ 18 ]负责
。硼和氮
邢等人共掺杂TiO2，制备。使用一种新的双
水热法。所有的共掺杂的化合物具有较高的催化活性比
降解MO掺杂TiO2单元
。密度泛函理论模拟被用来
探讨B–N的协同效应，表明B–N协同
效应在（1 0 1）的表面能很大程度上减少带
间隙，可见光下的光催化活性的提高[ 19 ]。N和La掺杂纳米二氧化钛光催化剂的CO
显示罗丹明B优良的
光在均匀
沉淀水热过程Cong等人的制备。他们
认为可能的机制是协同掺杂效应
。氮掺杂可以
窄的带隙二氧化钛和提高可见光的利用效率，而
的镧掺杂能促进光分离的电子和空穴的产生
[ 20 ]。吴等人。用溶胶凝胶和碳–铁改性TiO2纳米粒子溶剂热法
之后
低温。
优异的光催化活性的TiO2改性碳和铁对酸性橙7分解
观察（AO7）在可见光照射下。碳改性TiO2纳米粒子的协同效应
铁
负责提高可见光催化活性[ 21 ]。
溶胶-凝胶过程和–溶剂热法已被广泛
用来合成二氧化钛光催化剂。掺入的