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棉花糖df金蟲 (初入文壇)
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[求助]
水熱法制備的鈦酸型納米管各種溫度煅燒后為什么還是鈦酸型的?
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最近用文獻中最常提到的銳鈦礦TiO2,水熱法制備,了鈦酸型納米管,想通過煅燒變成銳鈦礦或TiO2(B),但350,450,500分別煅燒2h后XRD顯示仍然是鈦酸型的呀?這是個什么情況?請各位大俠不吝賜教。。。 xrd.jpg |
金蟲 (正式寫手)

至尊木蟲 (知名作家)

金蟲 (初入文壇)
至尊木蟲 (知名作家)

鐵桿木蟲 (正式寫手)
專家顧問 (著名寫手)
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專家經(jīng)驗: +108 |
金蟲 (正式寫手)
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我就是做這個方向的,主要原因是置換的不夠,可以參考這個: Visible-Light Plasmonic Photocatalyst Anchored on Titanate Nanotubes: A Novel Nanohybrid with Synergistic Effect of Adsorption and Degradation The synthesized sodium titanate precipitates were separated by centrifugation and washed with deionized water until a pH value near 8 was reached. Then proton-exchange was conducted 3 times in 0.1 M HNO3 solution to yield the P-TNT. |

金蟲 (初入文壇)
金蟲 (初入文壇)
金蟲 (初入文壇)
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