Page 115 - 《精细化工》2020年第8期
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第 8 期                       王学川,等:  光辅助原位清洁制备 Ag/AgCl 纳米颗粒                              ·1613·




















            图 6  Ag/AgCl 纳米颗粒降解罗丹明 6G 的紫外-可见吸收谱图(a);沉淀法合成 Ag/AgCl 纳米颗粒降解罗丹明 6G 紫外-  可
                 见吸收谱图(b);形成 Ag/AgCl 纳米颗粒过程罗丹明 6G 的紫外-可见吸收谱图(c); Ag/AgCl 纳米颗粒降解罗
                 丹明 6G 荧光谱图(d);沉淀法合成 Ag/AgCl 纳米颗粒降解罗丹明 6G 荧光谱图(e);形成 Ag/AgCl 纳米颗粒过
                 程降解罗丹明 6G 荧光谱图(f)
            Fig.  6  UV-Vis  spectra  of  degradation  of  rhodamine  6G  by  Ag/AgCl  nanoparticles  (a);  UV-Vis  spectra  of  degradation  of
                  rhodamine  6G  by  Ag/AgCl  nanoparticles  synthesized  by  precipitation  method(b);  UV-Vis  spectra  of  degradation  of
                  rhodamine  6G  during  formation  process  of  Ag/AgCl  nanoparticles(c);  Fluorescence  spectra  of  degradation  of
                  rhodamine  6G  by  Ag/AgCl  nanoparticles(d);  Fluorescence  spectra  of  rhodamine  6G  by  Ag/AgCl  nanoparticles
                  synthesized by precipitation method (e); Fluorescence spectra of degradation of rhodamine 6G during the formation process
                  of Ag/AgCl nanoparticles(f)

            通过荧光光谱可以发现,光辅助形成 Ag/AgCl 纳米                            A critical review[J].    Trends in Analytical Chemistry, 2017, 97: 458-467.
                                                               [4]   NEKOUEI F, NEKOUEI S, NOOEIZADEH H. Enhanced adsorption
            颗粒过程中将罗丹明 6G 荧光在 3 min 时猝灭完全,
                                                                   and  catalytic  oxidation  of  ciprofloxacin  by  an  Ag/AgCl@N-doped
            且荧光猝灭率为 95%(图 6f)。综合分析可知,光辅助                           activated carbon composite[J]. Journal of Physics and Chemistry of
            形成 Ag/AgCl 纳米颗粒过程中降解速率比光辅助                             Solids, 2018, 114: 36-44.
                                                               [5]   FAN G D, LUO J, GUO L, et al. Doping Ag/AgCl in zeolitic imidazolate
            Ag/AgCl 纳米颗粒自身的效率高。很有可能是部分                             framework-8 (ZIF-8) to enhance the performance of photodegradation of
                             0
               +
            Ag 被光还原为 Ag ,而降解罗丹明 6G 也是氧化还                           methylene blue[J]. Chemosphere, 2018, 209: 44-52.
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                 作者采用一步法原位合成了一种球状 Ag/AgCl
                                                                   from aqueous medium: A review[J]. Critical Reviews in Analytical
            复合纳米颗粒,生成银纳米颗粒期间没有添加有机                                 Chemistry, 2019, 49: 1663148.
            物质,不会引进有害物质对环境造成二次污染。这                             [8]   ZHAO M, HOU X X, LYU L, et al. Synthesis of Ag/AgCl modified
                                                                   anhydrous  basic  bismuth  nitrate  from  BiOCl  and  the  antibacterial
            种两组分复合纳米颗粒显示出高效光催化活性,能                                 activity[J]. Materials Science and Engineering: C, 2019, 98: 83-88.
            在紫外可见光辐照下降解和猝灭罗丹明 6G。在形成                           [9]   LI H,  LI C Q,  LI N  Y,  et al.  One-step  synthesis  of  novel
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            Ag/AgCl 复合纳米颗粒过程中能够更高效地降解罗                             Journal of Non-Crystalline Solids, 2019, 506: 21-27.
            丹明 6G。通过荧光光谱和紫外-可见光光谱表征了                           [10]  ZHOU  H,  WANG  X  H,  WANG  T  F,  et al.  In situ  decoration  of
                                                                   Ag@AgCl  nanoparticles  on  polyurethane/silk  fibroin  composite
            罗丹明 6G 的降解和荧光猝灭,结果表明,光辅助                               porous  films  for  photocatalytic  and  antibacterial  applications[J].
            银离子在生成银纳米颗粒期间和生成的银纳米颗粒                                 European Polymer Journal, 2019, 118: 153-162.
            都会降解和猝灭荧光染料。该球状 Ag/AgCl 复合纳                        [11]  YU  N  X,  PENG  H  L,  QIU  L,  et al. New pectin-induced green
                                                                   fabrication  of  Ag@AgCl/ZnO  nanocomposites  for  visible-light
            米颗粒的制备方法为制备其他纳米颗粒光催化剂和                                 triggered antibacterial activity[J]. International Journal of Biological
            染料降解研究提供了一种新的思路。                                       Macromolecules, 2019, 141: 207-217.
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