| 5 | 1/1 | 返回列表 |
| 查看: 1040 | 回復(fù): 4 | |||
zhangjx7880至尊木蟲 (職業(yè)作家)
|
[交流]
【前沿】新型除菌凈水材料研究獲新進(jìn)展 已有4人參與
|
|
最近,中科院金屬所尚建庫研究組與美國伊利諾大學(xué)合作研制出新型除微生物凈水材料。該材料在可見光或日光驅(qū)動下,生成大量氧化能力極強(qiáng)的氫氧自由基,迅速破壞細(xì)胞壁,殺死水中各種微生物,達(dá)到光化殺菌的目的。他們發(fā)現(xiàn),微量氧化鈀納米離子的加入可以有效地控制半導(dǎo)體表面光電子的傳輸,不僅能大幅度提高光照下的殺微生物速度,也同時(shí)誘發(fā)催化記憶效應(yīng),致使光照熄滅長達(dá)20小時(shí)后,該材料仍具有明顯的殺微生物能力,實(shí)現(xiàn)黑暗無光條件下的光化殺菌。催化記憶效應(yīng)的發(fā)現(xiàn),打破了傳統(tǒng)光化殺菌技術(shù)受光照要求的根本約束,拓寬了光化殺菌技術(shù)的應(yīng)用范圍,使利用自然光晝夜連續(xù)殺菌成為可能,有望大幅度降低凈水能耗。有關(guān)研究結(jié)果發(fā)表于2010年2月14日出版的《材料化學(xué)雜志》(Journal of Materials Chemistry)。黑暗無光條件下光化殺菌的實(shí)現(xiàn),在國際上引起了很大的反響,吸引了70多家國際科技新聞組織報(bào)道。 http://www.rsc.org/publishing/journals/JM/article.asp?doi=b917239d |
金蟲 (小有名氣)
| very good!!! |

木蟲 (正式寫手)
銅蟲 (小有名氣)
榮譽(yù)版主 (文壇精英)
Excellent
|
English version: A novel visible light photocatalyst system was developed, consisting of palladium oxide (PdO) nanoparticles well dispersed on a nitrogen-doped titanium oxide (TiON) matrix. Clear evidence of photoelectron transfer between PdO nanoparticles and the TiON matrix was obtained for the first time. The optoelectronic coupling between PdO and TiON introduces enhanced photocatalytic bacterial disinfection under visible light illumination by electron trapping on a PdO nanoparticle, and a unique catalytic memory effect on bacterial disinfection due to the discharging of trapped electrons on PdO nanoparticles in the dark when the illumination is switched off. Thus, a unique robust catalytic disinfection system is created, which is driven by solar/visible light illumination, enables the continuous operation in day and night, and could be adapted to a broad range of environmental applications. |
| 5 | 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] 296求調(diào)劑 +4 | www_q 2026-03-18 | 8/400 |
|
|---|---|---|---|---|
|
[考研]
|
.6lL 2026-03-18 | 7/350 |
|
|
[考博] 申博26年 +3 | 八6八68 2026-03-19 | 3/150 |
|
|
[考研] 一志愿南京理工大學(xué)085701資源與環(huán)境302分求調(diào)劑 +3 | 葵梓衛(wèi)隊(duì) 2026-03-18 | 5/250 |
|
|
[考研] 一志愿天津大學(xué)化學(xué)工藝專業(yè)(081702)315分求調(diào)劑 +11 | yangfz 2026-03-17 | 11/550 |
|
|
[考研] 一志愿天大材料與化工(085600)總分338 +5 | 蔡大美女 2026-03-13 | 5/250 |
|
|
[考研] 0817調(diào)劑 +3 | 沒有答案_ 2026-03-14 | 3/150 |
|
|
[考研] 295求調(diào)劑 +3 | 一志愿京區(qū)211 2026-03-18 | 5/250 |
|
|
[考研] 08工科 320總分 求調(diào)劑 +5 | 梨花珞晚風(fēng) 2026-03-17 | 5/250 |
|
|
[考研] 收復(fù)試調(diào)劑生 +4 | 雨后秋荷 2026-03-18 | 4/200 |
|
|
[考研] 0703化學(xué)調(diào)劑 +3 | 妮妮ninicgb 2026-03-17 | 3/150 |
|
|
[考研] 268求調(diào)劑 +6 | 簡單點(diǎn)0 2026-03-17 | 6/300 |
|
|
[考研] 326求調(diào)劑 +5 | 上岸的小葡 2026-03-15 | 6/300 |
|
|
[考博] 26申博 +4 | 八6八68 2026-03-16 | 4/200 |
|
|
[論文投稿] 有沒有大佬發(fā)小論文能帶我個二作 +3 | 增銳漏人 2026-03-17 | 4/200 |
|
|
[考研] 一志愿,福州大學(xué)材料專碩339分求調(diào)劑 +3 | 木子momo青爭 2026-03-15 | 3/150 |
|
|
[考研] 東南大學(xué)364求調(diào)劑 +5 | JasonYuiui 2026-03-15 | 5/250 |
|
|
[考研] 求老師收留調(diào)劑 +4 | jiang姜66 2026-03-14 | 5/250 |
|
|
[考研] 22408總分284求調(diào)劑 +3 | InAspic 2026-03-13 | 3/150 |
|
|
[考研] 289求調(diào)劑 +4 | 這么名字咋樣 2026-03-14 | 6/300 |
|