{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以钛酸丁酯、硝酸铋和硝酸银为原料,FTO为基底,采用水热法结合超声沉积法合成了<span style=\"color:red\">Ag2</span> <span style=\"color:red\">O</span>/<span style=\"color:red\">TiO2</span>异质结光催化剂.采用场发射扫描电子显微镜(FESEM)、X射线衍射仪(XRD)、紫外-可见吸收光谱(UV-Vis)分析测试手段对样品的形貌和结构进行了表征.结果表明,<span style=\"color:red\">Ag2O</span>/<span style=\"color:red\">TiO2</span>异质结是由直径约200 ～ 300 nm的<span style=\"color:red\">TiO2</span>纳米棒镶嵌着<span style=\"color:red\">Ag2O</span>纳米颗粒组成,与<span style=\"color:red\">TiO2</span>纳米棒阵列相比,<span style=\"color:red\">Ag2O</span>/<span style=\"color:red\">TiO2</span>异质结在可见光区有明显的光吸收.<span style=\"color:red\">Ag2O</span>/<span style=\"color:red\">TiO2</span>异质结的光催化效率明显提高.尤为重要的是,经光处理后,最终得到稳定的<span style=\"color:red\">Ag-Ag2O</span>/<span style=\"color:red\">TiO2</span>三元体系,并对<span style=\"color:red\">Ag-Ag2</span> <span style=\"color:red\">O</span>/<span style=\"color:red\">TiO2</span>三元体系提高光催化稳定性和活性的机理进行了分析.","authors":[{"authorName":"杨慧娟","id":"01148440-40cb-4057-b1bf-b84c1b401b6b","originalAuthorName":"杨慧娟"},{"authorName":"邵铭哲","id":"4d61740f-39d0-4ea2-bda4-df7b74e401bc","originalAuthorName":"邵铭哲"},{"authorName":"周健兴","id":"441bdd1a-dcc5-4481-9c96-985256ab5bbe","originalAuthorName":"周健兴"},{"authorName":"薛晋波","id":"28aceba3-e749-4935-bb89-738db6223980","originalAuthorName":"薛晋波"}],"doi":"","fpage":"243","id":"a2de390a-187c-4db2-928b-0253af85c03e","issue":"2","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"6b175d71-35a0-4903-9589-c002627a9a4e","keyword":"<span style=\"color:red\">TiO2</span>纳米棒阵列","originalKeyword":"TiO2纳米棒阵列"},{"id":"a66f16a2-279a-4bca-ba4b-6cc76f01563d","keyword":"<span style=\"color:red\">Ag2O</span>/<span style=\"color:red\">TiO2</span>","originalKeyword":"Ag2O/TiO2"},{"id":"e368fe35-f0a7-4ea9-9009-5f1165587193","keyword":"<span style=\"color:red\">Ag-Ag2O</span>/<span style=\"color:red\">TiO2</span>","originalKeyword":"Ag-Ag2O/TiO2"},{"id":"4f0cc89a-9019-4ca7-8c99-64ce7609eb87","keyword":"光催化","originalKeyword":"光催化"}],"language":"zh","publisherId":"rgjtxb98201702009","title":"<span style=\"color:red\">Ag2O</span>/<span style=\"color:red\">TiO2</span>异质结的光催化活性及耐光腐蚀性研究","volume":"46","year":"2017"},{"abstractinfo":"水热法合成了Bi<span style=\"color:red\">2</span>WO6催化剂后,将<span style=\"color:red\">Ag-Ag2O</span>负载在Bi<span style=\"color:red\">2</span>WO6上,制备出新型<span style=\"color:red\">Ag-Ag2O</span>/Bi<span style=\"color:red\">2</span>WO6异质结光催化剂,通过XRD,SEM,TEM,UV-Vis DRS 等一系列测试手段对光催化剂进行了形貌、结构、吸光性能等性质的表征,并以罗丹明B(Rh B)为目标污染物研究催化剂的光催化活性.结果表明制备的<span style=\"color:red\">Ag-Ag2O</span>/Bi<span style=\"color:red\">2</span>WO6异质结光催化剂主体为立体花球状结构,直径约<span style=\"color:red\">2</span> μm,具有较大的比表面积,且对可见光的吸收范围有明显增加(从442红移至594 nm),催化活性亦高于未负载的Bi<span style=\"color:red\">2</span>WO6,反应120 min后,<span style=\"color:red\">Ag-Ag2O</span>/Bi<span style=\"color:red\">2</span>WO6对罗丹明B(Rh B)的降解率可达96.20%,在重复4次降解实验之后,其光催化活性虽然有一定损失,但光催化性能仍优于其余两组催化剂.","authors":[{"authorName":"邱爽","id":"46d1da2a-7d37-428c-9a16-b5e9dd87d1d8","originalAuthorName":"邱爽"},{"authorName":"赵彬侠","id":"2b4de806-62ae-4190-b709-22bc263938e6","originalAuthorName":"赵彬侠"},{"authorName":"关文斌","id":"a2c69cb1-e4ce-4b55-8b6b-09ef77c647d0","originalAuthorName":"关文斌"},{"authorName":"牛露","id":"94df268b-d411-4eff-b4f1-6442d607bb9d","originalAuthorName":"牛露"},{"authorName":"郭丹","id":"53dba5a5-a867-4bf5-922d-fcc7961b618f","originalAuthorName":"郭丹"},{"authorName":"刘钰玲","id":"b796b1c9-b34d-402e-9831-62bb643bd7ca","originalAuthorName":"刘钰玲"},{"authorName":"张小里","id":"41e88f17-2807-4a8f-97cd-36ea770ded9c","originalAuthorName":"张小里"}],"doi":"10.3969/j.issn.1001-9731.2017.05.016","fpage":"5089","id":"c43a4b6c-2aa0-46eb-9ce4-be82004b9c46","issue":"5","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"b0d98e80-8918-4c7b-aea3-f12c412a4923","keyword":"<span style=\"color:red\">Ag-Ag2O</span>/Bi<span style=\"color:red\">2</span>WO6","originalKeyword":"Ag-Ag2O/Bi2WO6"},{"id":"52d8aeeb-3121-4e31-906c-aab081b7d96d","keyword":"半导体","originalKeyword":"半导体"},{"id":"5a8220bc-58b0-4562-a595-992a1af1ed90","keyword":"光催化活性","originalKeyword":"光催化活性"}],"language":"zh","publisherId":"gncl201705016","title":"<span style=\"color:red\">Ag-Ag2O</span>/Bi<span style=\"color:red\">2</span>WO6光催化剂的合成及其光催化性能","volume":"48","year":"2017"},{"abstractinfo":"采用溶胶-凝胶工艺制备了<span style=\"color:red\">Ag</span>掺杂的<span style=\"color:red\">TiO2</span>粉末.通过XRD、SEM、EDX、DSC-TG、BET氮吸附法等研究了<span style=\"color:red\">Ag</span>掺杂对<span style=\"color:red\">TiO2</span>结构的影响,结果发现掺杂的<span style=\"color:red\">Ag</span>降低了<span style=\"color:red\">TiO2</span>锐钛矿向金红石相转变的温度,促进了相转变.适量掺杂时,<span style=\"color:red\">Ag</span>抑制了锐钛矿粒子的生长,结果使锐钛矿粒子的粒径降低,<span style=\"color:red\">TiO2</span>粉末的比表面积增加.","authors":[{"authorName":"何超","id":"8237603b-a204-452f-b873-ad54e5e4f403","originalAuthorName":"何超"},{"authorName":"于云","id":"4c46d203-261d-4769-bdbd-a4a94972862c","originalAuthorName":"于云"},{"authorName":"周彩华","id":"4a014df7-2932-4938-9379-c9e01cf43630","originalAuthorName":"周彩华"},{"authorName":"胡行方","id":"99056dab-4f98-410b-b1d5-e711fa07a7b6","originalAuthorName":"胡行方"},{"authorName":"Ande LARBOT","id":"4077f66d-d100-42b9-9496-984dcc615fef","originalAuthorName":"Ande LARBOT"}],"doi":"10.3321/j.issn:1000-324X.2003.02.033","fpage":"457","id":"537550ec-778c-4235-8652-d317269f6424","issue":"2","journal":{"abbrevTitle":"WJCLXB","coverImgSrc":"journal/img/cover/WJCLXB.jpg","id":"62","issnPpub":"1000-324X","publisherId":"WJCLXB","title":"无机材料学报"},"keywords":[{"id":"19c64dd2-f236-4828-a43b-33356a31bbea","keyword":"<span style=\"color:red\">TiO2</span>","originalKeyword":"TiO2"},{"id":"ae30e324-b308-4183-8fde-b2033fc4490e","keyword":"<span style=\"color:red\">Ag</span>","originalKeyword":"Ag"},{"id":"e5320c58-11c2-4ad8-85e7-ed038ae183a2","keyword":"溶胶-凝胶法","originalKeyword":"溶胶-凝胶法"},{"id":"7e8c882a-6b8f-410c-bb62-71eb06e0b6da","keyword":"掺杂","originalKeyword":"掺杂"},{"id":"6df91f1d-6196-4fa9-a580-fc8500ba4dda","keyword":"结构","originalKeyword":"结构"}],"language":"zh","publisherId":"wjclxb200302033","title":"<span style=\"color:red\">Ag</span>掺杂对<span style=\"color:red\">TiO2</span>粉末结构的影响","volume":"18","year":"2003"},{"abstractinfo":"通过磁控溅射方法制备了一种新颖的纳米Cu<span style=\"color:red\">2O</span>/<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>三层复合薄膜.用X射线衍射(XRD)仪、扫描电子显微镜(SEM)、紫外可见分光光谱仪(Uv-vis)和荧光光谱仪(FLO)对薄膜的晶体结构、表面形貌、光学性能及<span style=\"color:red\">Ag</span>金属中间层的存在对复合薄膜的影响进行了分析.此外,对薄膜光催化性能的研究表明,插入<span style=\"color:red\">Ag</span>层的纳米Cu<span style=\"color:red\">2O</span>/<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>三层复合薄膜显示出远高于Cu<span style=\"color:red\">2O</span>/<span style=\"color:red\">TiO2</span>双层复合薄膜的可见光催化活性.催化性能的提高归因于<span style=\"color:red\">Ag</span>金属中间层的存在,提高了三层复合薄膜的可见光吸收强度,增加了表面积,促进了激发电子的转移及光生电子和空穴的分离.","authors":[{"authorName":"刘一鸣","id":"c1fb39a9-c805-4fa8-8b3e-e5914d261551","originalAuthorName":"刘一鸣"},{"authorName":"张王刚","id":"c8cf43e1-7e58-47a5-9516-2c7bce7aa625","originalAuthorName":"张王刚"},{"authorName":"梁伟","id":"200154e9-b8d9-443d-8148-2706c89c81af","originalAuthorName":"梁伟"},{"authorName":"王红霞","id":"c19bd38b-3cf7-41e6-8ba1-19ddce130f6a","originalAuthorName":"王红霞"},{"authorName":"余彬","id":"91517d6d-7143-4480-9bac-e8ef90aedcc9","originalAuthorName":"余彬"}],"doi":"","fpage":"1754","id":"4534a522-d673-4afa-9bda-c5a7d46f504a","issue":"7","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"cc204026-0d0e-4b51-b356-b8c204875638","keyword":"Cu<span style=\"color:red\">2O</span>/<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>","originalKeyword":"Cu2O/Ag/TiO2"},{"id":"30fcd033-30f8-40c8-80eb-477e4b8e55f4","keyword":"结构性能","originalKeyword":"结构性能"},{"id":"d774f667-cd60-40b0-a1b6-0e22a56e532c","keyword":"光催化性能","originalKeyword":"光催化性能"}],"language":"zh","publisherId":"xyjsclygc201507036","title":"纳米Cu<span style=\"color:red\">2O</span>/<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>三层复合薄膜的结构及性能","volume":"44","year":"2015"},{"abstractinfo":"<span style=\"color:red\">2</span>～3nm的Ti过渡层有效的提高了<span style=\"color:red\">TiO2</span>/<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>多层膜的热稳定性同时对原始膜层的光学性能影响较小.通过AFM形貌分析表明Ti膜促进了<span style=\"color:red\">Ag</span>膜的连续性和抗结块性能.XRD分析表明在沉积态Ti层已经发生了氧化形成Ti<span style=\"color:red\">2O</span>3,从而提高了<span style=\"color:red\">Ag</span>膜与<span style=\"color:red\">TiO2</span>的结合力.热处理后促进了<span style=\"color:red\">Ag</span>(111)取向的发展,因此,<span style=\"color:red\">Ag</span>膜稳定性得到了提高.","authors":[{"authorName":"王振国","id":"3cfeefb2-9f72-4809-8d16-9d9f0c2c830c","originalAuthorName":"王振国"},{"authorName":"蔡珣","id":"93773e44-6782-475e-9180-13c606f81d01","originalAuthorName":"蔡珣"},{"authorName":"陈秋龙","id":"b5bc38f5-a32f-4b49-b1a9-ff69ef06f852","originalAuthorName":"陈秋龙"},{"authorName":"茅及放","id":"a82dcfbf-2188-4131-aa36-3f96c37971d4","originalAuthorName":"茅及放"}],"doi":"","fpage":"262","id":"1d012858-f806-4a8d-af47-f1fda4a0b998","issue":"2","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"05d8b23f-cc4f-43be-9e7a-307468b69c68","keyword":"Ti","originalKeyword":"Ti"},{"id":"ab07b7b0-010d-491e-a925-b3fff3c31c5d","keyword":"过渡层","originalKeyword":"过渡层"},{"id":"4b78b70e-5f76-47ee-82ea-bf284fabdf61","keyword":"多层膜","originalKeyword":"多层膜"},{"id":"b21d010d-14dc-492b-b6c0-b10cef5afa01","keyword":"热稳定性","originalKeyword":"热稳定性"},{"id":"8e7396e0-7838-4928-bb92-8ad033db0c18","keyword":"光学性能","originalKeyword":"光学性能"}],"language":"zh","publisherId":"gncl200602029","title":"Ti过渡层对<span style=\"color:red\">TiO2</span>/<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>复合多层膜热稳定性影响研究","volume":"37","year":"2006"},{"abstractinfo":"采用溶胶-凝胶方法制备掺杂 <span style=\"color:red\">Ag</span> 的 <span style=\"color:red\">TiO2</span>粉末,掺杂 <span style=\"color:red\">Ag</span> 的物质的量浓度为:1%、<span style=\"color:red\">2</span>%、5%,利用 DSC-TGA、XRD对掺杂 <span style=\"color:red\">Ag</span> 的 <span style=\"color:red\">TiO2</span> 粉末的晶型结构进行了表征,结果表明:掺杂 <span style=\"color:red\">Ag</span> 降低了 <span style=\"color:red\">TiO2</span> 从锐钛矿相向金红石相转变的温度,促进了 <span style=\"color:red\">TiO2</span> 晶型结构的转变.","authors":[{"authorName":"杨昕宇","id":"b23854ac-3db3-4e83-a2b1-c1f3d9ea52da","originalAuthorName":"杨昕宇"},{"authorName":"向卫东","id":"97b8c6bc-7a29-478c-bb13-022fcc8452db","originalAuthorName":"向卫东"}],"doi":"10.3969/j.issn.1001-1625.2007.03.013","fpage":"478","id":"dcad6d4d-7faa-42ed-b6e9-4a17281cd1c9","issue":"3","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报   "},"keywords":[{"id":"02c4eaab-09dc-48ad-b8df-9c052d2c0e72","keyword":"<span style=\"color:red\">Ag</span> 掺杂","originalKeyword":"Ag 掺杂"},{"id":"7499553e-0db6-4420-b4a5-152eae8a0e4c","keyword":"<span style=\"color:red\">TiO2</span> 粉末","originalKeyword":"TiO2 粉末"},{"id":"94c54f28-adf7-473f-b48e-66daeefc5c56","keyword":"晶型结构","originalKeyword":"晶型结构"}],"language":"zh","publisherId":"gsytb200703013","title":"掺杂<span style=\"color:red\">Ag</span>对<span style=\"color:red\">TiO2</span>粉末晶型结构的影响","volume":"26","year":"2007"},{"abstractinfo":"以钛酸丁酯为钛源,采用溶胶-凝胶法制备了<span style=\"color:red\">Ag</span>掺杂纳米<span style=\"color:red\">TiO2</span>,结合XRD、TEM、Uv-vis等测试手段,对样品的结构和性能进行了表征.以甲基橙溶液为目标降解物,探讨了<span style=\"color:red\">Ag</span>掺杂纳米<span style=\"color:red\">TiO2</span>的光催化活性,分析了<span style=\"color:red\">Ag</span>掺杂纳米<span style=\"color:red\">TiO2</span>提高光催化性能的机理.结果表明,<span style=\"color:red\">Ag</span>掺杂使<span style=\"color:red\">TiO2</span>晶粒减小,拓展了<span style=\"color:red\">TiO2</span>的光谱响应范围,降低了光生电子和空穴的复合几率;<span style=\"color:red\">Ag</span>掺杂后,<span style=\"color:red\">TiO2</span>光催化剂的吸收光谱向可见光区发生红移.<span style=\"color:red\">Ag</span>掺杂量为n(<span style=\"color:red\">Ag</span>)∶n(<span style=\"color:red\">TiO2</span>)=0.08％,紫外光下240 min,<span style=\"color:red\">Ag</span>掺杂纳米<span style=\"color:red\">TiO2</span>前后材料对甲基橙溶液去除率由60.3％提高到83.1％.","authors":[{"authorName":"高如琴","id":"2452b20b-77aa-4c51-b751-1050cd443734","originalAuthorName":"高如琴"},{"authorName":"耿悦","id":"ab081ffd-d43d-4fae-8bba-0c8071b6698f","originalAuthorName":"耿悦"},{"authorName":"李国亭","id":"0f92891e-07bb-46a8-ace0-321d23d574a1","originalAuthorName":"李国亭"},{"authorName":"谷一鸣","id":"b7c732eb-a45e-487a-85c5-62639fbe7b94","originalAuthorName":"谷一鸣"},{"authorName":"孙倩","id":"83217d8a-76ed-4c14-b204-f219a5286a06","originalAuthorName":"孙倩"}],"doi":"","fpage":"2265","id":"819b8a7e-4cdc-490b-a581-d377434e598f","issue":"9","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"3c35fbec-c424-4955-85e3-86ce42e0d79e","keyword":"溶胶-凝胶法","originalKeyword":"溶胶-凝胶法"},{"id":"1f7c3846-d604-4eb2-8543-ec8a005e71b9","keyword":"二氧化钛","originalKeyword":"二氧化钛"},{"id":"b26b516e-d79e-4870-8124-61a6b5d15724","keyword":"<span style=\"color:red\">Ag</span>掺杂","originalKeyword":"Ag掺杂"},{"id":"57c28a05-2b80-4f7a-8684-c0994fafd801","keyword":"光催化活性","originalKeyword":"光催化活性"},{"id":"3339b06f-e2e7-49fc-ad47-6799d3138777","keyword":"复合几率","originalKeyword":"复合几率"}],"language":"zh","publisherId":"rgjtxb98201609016","title":"<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>的制备及光催化性能研究","volume":"45","year":"2016"},{"abstractinfo":"采用光化学沉积法合成了<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>光催化剂,以苯酚降解反应考察了光催化剂活性随<span style=\"color:red\">Ag</span>担载量的变化,用TEM观察了<span style=\"color:red\">Ag</span>在<span style=\"color:red\">TiO2</span>表面的分布与形貌,以漫反射紫外-可见光谱(DRS)分析了不同<span style=\"color:red\">Ag</span>担载量的光催化剂的光谱特征.结果表明,适宜担载量的<span style=\"color:red\">Ag</span>可显著提高<span style=\"color:red\">TiO2</span>的光催化活性.TEM观察显示,<span style=\"color:red\">Ag</span>在<span style=\"color:red\">TiO2</span>表面形成纳米级团簇结构,随<span style=\"color:red\">Ag</span>担载量的增加,团簇尺寸增大.DRS分析表明,<span style=\"color:red\">Ag</span>的担载对<span style=\"color:red\">TiO2</span>紫外区域的光谱特征没有影响.根据<span style=\"color:red\">Ag</span>团簇的能级随其几何尺寸的变化分析了<span style=\"color:red\">Ag</span>担载量的变化对<span style=\"color:red\">TiO2</span>光催化活性的影响机理.","authors":[{"authorName":"刘守新","id":"ad2d6ee1-6291-42c2-8dbd-871502759590","originalAuthorName":"刘守新"},{"authorName":"曲振平","id":"fa2f2f0a-adab-4c98-8436-2404609f9f85","originalAuthorName":"曲振平"},{"authorName":"韩秀文","id":"2f16ba83-fe3a-437a-a8d1-b613683d94d0","originalAuthorName":"韩秀文"},{"authorName":"孙承林","id":"d43917f3-99dd-4745-97fd-e00d54ee99ce","originalAuthorName":"孙承林"},{"authorName":"包信和","id":"e0ebcb59-3e82-4087-aba6-bb7676d8a2dc","originalAuthorName":"包信和"}],"doi":"","fpage":"133","id":"fbe45b0d-6e48-4e32-8eea-2ad9e1c6b8e9","issue":"2","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"01dc9bc2-43dc-4f59-8642-6f2df0e2710d","keyword":"银","originalKeyword":"银"},{"id":"6581ee8d-cc44-4771-a188-9e6e2a48801b","keyword":"二氧化钛","originalKeyword":"二氧化钛"},{"id":"a808ebb5-76dc-4f42-920b-6599c8a5b932","keyword":"负载型催化剂","originalKeyword":"负载型催化剂"},{"id":"16bbfb06-42ab-4ded-b7c8-eb288ad8ec5a","keyword":"苯酚","originalKeyword":"苯酚"},{"id":"8f4e000f-a4dc-46ac-8e9b-c84ec8f7813e","keyword":"光催化","originalKeyword":"光催化"},{"id":"8e1cc2a3-e416-41be-8d8f-db966f2b7c72","keyword":"降解","originalKeyword":"降解"}],"language":"zh","publisherId":"cuihuaxb200402013","title":"<span style=\"color:red\">Ag</span>担载对<span style=\"color:red\">TiO2</span>光催化活性的影响","volume":"25","year":"2004"},{"abstractinfo":"用光化学沉积法对纳米<span style=\"color:red\">TiO2</span>薄膜进行了<span style=\"color:red\">Ag</span>改性,用漫反射紫外-可见光谱、扫描电子显微镜和X射线光电子能谱分析了<span style=\"color:red\">Ag-TiO2</span>薄膜的光谱特征、表面形貌和表面组成.以苯酚为模拟污染物,在不同波长光源及有氧和无氧条件下考察了AgTiO<span style=\"color:red\">2</span>薄膜的光催化活性.结果表明,当银沉积量大于0.015 0 mg/cm<span style=\"color:red\">2</span>时,<span style=\"color:red\">Ag-TiO2</span>薄膜对紫外光的吸收发生了明显的蓝移,同时在346 nm附近出现了小的吸收峰且该峰随着银沉积量的增加逐渐向长波方向移动.沉积在<span style=\"color:red\">TiO2</span>薄膜表面的银颗粒大小不均匀,主要以单质银的形式存在,也生成了部分<span style=\"color:red\">Ag2O</span>;相对于<span style=\"color:red\">TiO2</span>薄膜,<span style=\"color:red\">Ag-TiO2</span>薄膜表面吸附氧的含量明显增大.AgTiO<span style=\"color:red\">2</span>薄膜的光吸收特性对其催化活性影响较大.在低压汞灯及有氧参与的条件下,银沉积量为0.052 3 mg/cm<span style=\"color:red\">2</span>的<span style=\"color:red\">Ag-TiO2</span>薄膜的催化活性最高,其反应速率常数是<span style=\"color:red\">TiO2</span>薄膜的1.16倍.<span style=\"color:red\">Ag</span>+更易沉积在较大n值的<span style=\"color:red\">Ag</span>簇上,其颗粒大小不可能完全均匀<span style=\"color:red\">Ag-TiO2</span>薄膜的光吸收特性、<span style=\"color:red\">Ag</span>簇的大小以及<span style=\"color:red\">Ag</span>对<span style=\"color:red\">O2</span>的吸附作用是决定<span style=\"color:red\">Ag-TiO2</span>薄膜催化活性的主要因素.","authors":[{"authorName":"任学昌","id":"8e4a09df-c281-4732-bff2-a9ee92706c56","originalAuthorName":"任学昌"},{"authorName":"史载锋","id":"f0c40443-515a-48d4-8196-b27dfdd599d4","originalAuthorName":"史载锋"},{"authorName":"孔令仁","id":"026ff271-0553-4c18-985e-b6b1cfa7bf75","originalAuthorName":"孔令仁"}],"doi":"","fpage":"815","id":"d641d3a6-bc49-476f-a4d4-0749f7e7c796","issue":"9","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报   "},"keywords":[{"id":"8fd1e5f2-3248-4cc5-ab5c-918b461a5a0e","keyword":"银","originalKeyword":"银"},{"id":"29cb4b5a-282b-4bde-b8f8-c99e5844bf80","keyword":"二氧化钛","originalKeyword":"二氧化钛"},{"id":"f6d31407-eee7-495e-b748-ee96aeba4afc","keyword":"薄膜","originalKeyword":"薄膜"},{"id":"b1df15e4-91e2-4ba4-a373-4a515c647c7f","keyword":"光沉积","originalKeyword":"光沉积"},{"id":"31e185a3-4930-42f0-aab1-58366f36a978","keyword":"光催化","originalKeyword":"光催化"},{"id":"aaf37566-7bb2-4aab-b25e-0ae1d313fc84","keyword":"苯酚","originalKeyword":"苯酚"},{"id":"3f944ead-f250-43dc-8d93-373d189a7455","keyword":"降解","originalKeyword":"降解"}],"language":"zh","publisherId":"cuihuaxb200609014","title":"<span style=\"color:red\">TiO2</span>薄膜的<span style=\"color:red\">Ag</span>改性及光催化活性","volume":"27","year":"2006"},{"abstractinfo":"采用化学氧化法在金属Ti表面制备出了多孔纳米<span style=\"color:red\">TiO2</span>,通过离子束溅射在<span style=\"color:red\">TiO2</span>表面沉积纳米<span style=\"color:red\">Ag</span>,最终在Ti表面制备出<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>纳米复合材料.利用X射线衍射(XRD)、扫描电镜(SEM),电子探针(EPMA)等分析手段分析了500℃热处理条件下,不同<span style=\"color:red\">Ag</span>含量对<span style=\"color:red\">TiO2</span>晶型转变的影响及结构变化.同时,采用细菌生长的抑菌圈法进行测试,研究了<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>纳米复合材料对不同菌种的抗菌性能的影响.结果表明:通过化学氧化法和离子束溅射相结合的方法可以得到具有优异抗菌性能的<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>纳米复合材料.","authors":[{"authorName":"李艳琼","id":"83658937-4d45-40d5-a4b5-1fd08291aa64","originalAuthorName":"李艳琼"},{"authorName":"余巍","id":"6096647e-f310-4f95-8d63-5d856f47b351","originalAuthorName":"余巍"},{"authorName":"张俊敏","id":"956c7fc4-2872-4cc2-96b9-85541e97eb57","originalAuthorName":"张俊敏"},{"authorName":"毕珺","id":"0f3bd425-2549-44d4-9ae6-56ebadbd8f9f","originalAuthorName":"毕珺"},{"authorName":"谭志龙","id":"fd26e031-1016-4fa9-a199-16bb1f89421a","originalAuthorName":"谭志龙"},{"authorName":"王传军","id":"0856f303-033c-4959-aa47-a45867bf9ad6","originalAuthorName":"王传军"},{"authorName":"潘勇","id":"8c831b1e-76bd-452b-b426-d460d9e105ea","originalAuthorName":"潘勇"},{"authorName":"管伟明","id":"ed159e27-996a-45b4-a8d9-ea3685d990d8","originalAuthorName":"管伟明"},{"authorName":"闻明","id":"44e1259a-b236-475f-959e-a066f3b0dc70","originalAuthorName":"闻明"}],"doi":"10.3969/j.issn.1004-0676.2011.04.006","fpage":"24","id":"ab77c92c-82f5-48a8-b9e2-0cdfa8b5b429","issue":"4","journal":{"abbrevTitle":"GJS","coverImgSrc":"journal/img/cover/GJS.jpg","id":"38","issnPpub":"1004-0676","publisherId":"GJS","title":"贵金属"},"keywords":[{"id":"935104f2-390f-46c7-b465-a9ad6ea8d984","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"847187e0-a418-4be0-8ca4-ad2d8b951a76","keyword":"氧化钛","originalKeyword":"氧化钛"},{"id":"6e3d5039-0d12-4bd8-a194-7e93435e6701","keyword":"<span style=\"color:red\">Ag</span>纳米粒子","originalKeyword":"Ag纳米粒子"},{"id":"027b599d-d346-4062-80b1-5a76cf6fe6ff","keyword":"抗菌性能","originalKeyword":"抗菌性能"}],"language":"zh","publisherId":"gjs201104006","title":"<span style=\"color:red\">Ag</span>/<span style=\"color:red\">TiO2</span>纳米复合材料的结构及抗菌性能研究","volume":"32","year":"2011"}],"totalpage":8527,"totalrecord":85269}