| 1 | 1/1 | 返回列表 |
| 查看: 468 | 回復: 0 | ||
fenrirwen金蟲 (小有名氣)
|
[求助]
鈦納米管的燒結
|
|
小弟是催化新手... 看到一篇文獻 是在TIO2納米管上沉積Cu后陽極氧化為Cu2O 里面提到在電沉積Cu前 需要在550℃氧氣環(huán)境中將TIO2納米管燒結5小時 請問燒結的原因是什么? 如果不燒結直接沉積Cu的話有什么缺點? 原文如下: Preparation of TiO2NTArrays. Titanium foils (250 μmthick,99.8%; Sigma Aldrich) were ultrasonically cleaned in acetone and ethanol prior to anodization. These foils were anodized at 30 V for 2 h in a two-electrode electrochemical cell in an ethylene glycol (EG) solution containing 0.3 wt % NH4F and 1% volume of H2O. The formed TiO2 NTs are 4 μm long (7).In all cases, a platinum foil was used as the counter electrode.The distance between the two electrodes was maintained at 2 cm. The as-anodized TiO2 NTs were sintered in oxygen atmosphere at 550 °C for 5 h before Cu0 deposition. Fabrication of Cu2O/TiO2 Networks. Cu crystals were electrodeposited on TiO2 NTs in a solution containing 5mM CuSO4 in a typical three electrochemical cell equipped with a Pt wire counter electrode and saturated calomel electrode (SCE) reference. The electrodeposition was carried out with a rectangular potential pulsed mode at a potential of -2.0V for 0.2 s, and then a potential of -0.00001 V for 1 s, with 100 pulses. The Cu loaded TiO2 NTs were then potentiostatically anodized in 0.5 M NaOH electrolyte at 0.5 V for 30 min at 25 °C to fabricate Cu2O materials on TiO2 NTs. 出自High Efficient Photocatalytic Degradation of p-Nitrophenol on a Unique Cu2O/TiO2 p-n Heterojunction Network Catalyst LIXIA YANG SHENGLIAN LUO YUE LI YANXIAO QING KANG QINGYUN CAI Environ. Sci. Technol. 2010, 44, 7641–7646 謝謝各位大蝦! |
找到一些相關的精華帖子,希望有用哦~
| 1 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 262求調劑 +3 | ZZ..000 2026-03-30 | 3/150 |
|
|---|---|---|---|---|
|
[考研] 322求調劑:一志愿湖南大學 材料與化工(085600),已過六級。 +5 | XX小鄧 2026-03-29 | 5/250 |
|
|
[考研] 材料調劑 +9 | 匹克i 2026-03-23 | 9/450 |
|
|
[考研] 求調劑 +7 | 研研,接電話 2026-03-24 | 8/400 |
|
|
[考研] 求調劑 +7 | 青春裁為三截 2026-03-29 | 7/350 |
|
|
[有機交流] 考研調劑 +5 | watb 2026-03-26 | 5/250 |
|
|
[考研] 一志愿河北工業(yè)大學0817化工278分求調劑 +14 | jhybd 2026-03-23 | 19/950 |
|
|
[考研] 327求調劑 +4 | 小卡不卡. 2026-03-29 | 4/200 |
|
|
[考研] 085600 材料與化工 329分求調劑 +14 | Mr. Z 2026-03-25 | 14/700 |
|
|
[考研] 329求調劑 +10 | 鈕恩雪 2026-03-25 | 10/500 |
|
|
[考研] 086000生物與醫(yī)藥調劑 +5 | Feisty。 2026-03-28 | 9/450 |
|
|
[考研] 352分-085602-一志愿985 +5 | 海納百川Ly 2026-03-29 | 5/250 |
|
|
[考研] 0703化學調劑,求導師收 +9 | 天天好運來上岸?/a> 2026-03-24 | 10/500 |
|
|
[考研] 292求調劑 +14 | 鵝鵝鵝額額額額?/a> 2026-03-25 | 15/750 |
|
|
[考研] 291求調劑 +6 | HanBeiNingZC 2026-03-24 | 6/300 |
|
|
[考研] 340求調劑 +5 | jhx777 2026-03-27 | 5/250 |
|
|
[考研] 一志愿南師大0703化學 275求調劑 +4 | Ripcord上岸 2026-03-27 | 4/200 |
|
|
[考研]
|
平樂樂樂 2026-03-26 | 4/200 |
|
|
[考研] 302求調劑 +4 | 錦衣衛(wèi)藤椒 2026-03-25 | 4/200 |
|
|
[考研] 一志愿山東大學藥學學碩求調劑 +3 | 開開心心沒煩惱 2026-03-23 | 4/200 |
|