{"id":240017,"date":"2022-07-20T06:45:18","date_gmt":"2022-07-19T22:45:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=240017"},"modified":"2022-07-19T15:00:47","modified_gmt":"2022-07-19T07:00:47","slug":"%e6%b9%98%e6%bd%ad%e5%a4%a7%e5%ad%a6carbon%ef%bc%9a%e6%96%b0%e5%9e%8b%e5%a4%9a%e5%b7%b4%e8%83%ba%e5%85%89%e7%94%b5%e5%8c%96%e5%ad%a6%e4%bc%a0%e6%84%9f%e5%99%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=240017","title":{"rendered":"\u6e58\u6f6d\u5927\u5b66Carbon\uff1a\u65b0\u578b\u591a\u5df4\u80fa\u5149\u7535\u5316\u5b66\u4f20\u611f\u5668"},"content":{"rendered":"

\u4e00\u3001\u7814\u7a76\u80cc\u666f<\/p>\n

\u591a\u5df4\u80fa\u4f5c\u4e3a\u4eba\u4f53\u5185\u91cd\u8981\u7684\u795e\u7ecf\u9012\u8d28\uff0c\u5728\u8c03\u8282\u751f\u7406\u529f\u80fd\u7b49\u65b9\u9762\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u5176\u6b21\uff0c\u4e5f\u4f1a\u5f71\u54cd\u4eba\u4f53\u7684\u4e2d\u67a2\u795e\u7ecf\u7cfb\u7edf\u3001\u5fc3\u8840\u7ba1\u7cfb\u7edf\u4ee5\u53ca\u80be\u810f\u7684\u6b63\u5e38\u529f\u80fd\u3002\u6b64\u5916\uff0c\u5f53\u4eba\u4f53\u5185\u591a\u5df4\u80fa\u542b\u91cf\u53d1\u751f\u5f02\u5e38\uff0c\u5c06\u4f1a\u5f15\u53d1\u4e00\u7cfb\u5217\u5e76\u53d1\u75c7\uff08\u963f\u5c14\u8328\u6d77\u9ed8\u75c7\u3001\u5e15\u91d1\u68ee\u75c5\u7b49\uff09\u7684\u4ea7\u751f\u3002\u56e0\u6b64\uff0c\u51c6\u786e\u6d4b\u5b9a\u591a\u5df4\u80fa\u5bf9\u75be\u75c5\u7684\u8bca\u65ad\u548c\u76d1\u6d4b\u5c24\u4e3a\u91cd\u8981\u3002\u76f8\u6bd4\u5176\u4ed6\u68c0\u6d4b\u65b9\u6cd5\uff0c\u5149\u7535\u5316\u5b66\uff08PEC\uff09\u4f20\u611f\u4e0d\u4ec5\u5177\u6709\u64cd\u4f5c\u7b80\u5355\u3001\u6210\u672c\u4f4e\u3001\u68c0\u6d4b\u901f\u5ea6\u5feb\u7b49\u4f18\u70b9\uff0c\u8fd8\u5177\u6709\u8f83\u4f4e\u7684\u80cc\u666f\u4fe1\u53f7\u3001\u8f83\u9ad8\u7684\u7075\u654f\u5ea6\u548c\u8f83\u4f4e\u7684\u68c0\u6d4b\u9650\u3002\u8fd9\u65e0\u7591\u662f\u4e3a\u591a\u5df4\u80fa\u7684\u76d1\u6d4b\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u68c0\u6d4b\u624b\u6bb5\u3002<\/p>\n

\u4e8c\u3001\u6587\u7ae0\u7b80\u4ecb<\/p>\n

\u8fd1\u65e5\uff0c\u6e58\u6f6d\u5927\u5b66\u5316\u5b66\u5b66\u9662\u738b\u6668\u66e6\u535a\u58eb\u7814\u7a76\u751f\u4e3a\u7b2c\u4e00\u4f5c\u8005\uff0c\u8d39\u4fca\u6770\u6559\u6388\u4e3a\u901a\u8baf\u4f5c\u8005\u7684\u7814\u7a76\u6210\u679c\u300aAn ultra-sensitive dopamine photoelectrochemical sensing platform based on two-dimensional Zn carbon nanosheets, hollow Cu2<\/sub>O and CdTe QDs composite films\u300b\u5728\u56fd\u9645\u77e5\u540d\u671f\u520a\u300aCarbon\u300b\uff08\u4e2d\u79d1\u9662top\u671f\u520a\uff0cIF=11.307\uff09\u53d1\u8868\u3002\u5728\u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u5c06\u539f\u4f4d\u5408\u6210\u7684ZIF-8\/NaCl\u7eb3\u7c73\u590d\u5408\u6750\u6599\u8fdb\u884c700\u2103\u70ed\u5904\u7406\u540e\uff0c\u5f97\u5230\u4e86\u4e8c\u7ef4Zn\u78b3\u7eb3\u7c73\u7247\uff08CNs\uff09\uff0c\u518d\u4e0e\u591a\u58c1\u78b3\u7eb3\u7c73\u7ba1\uff08MWCNTs\uff09\u8fdb\u884c\u4e86\u8d85\u58f0\u6df7\u5408\uff0c\u5f97\u5230\u4e86\u5177\u6709\u5927\u6bd4\u8868\u9762\u79ef\u548c\u4f18\u5f02\u50ac\u5316\u6027\u80fd\u7684\u590d\u5408\u7eb3\u7c73\u6750\u6599Zn CNs-MWCNTs\u3002\u540c\u65f6\uff0c\u5c06\u5149\u7535\u6750\u6599H-Cu2<\/sub>O\/CdTe QDs\u6ef4\u6d82\u5728Zn CNs-MWCNTs\/GCE\u4e0a\uff0c\u5f97\u5230\u4e86\u4fee\u9970\u7535\u6781Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\/GCE\u3002\u6700\u7ec8\uff0c\u6784\u5efa\u4e00\u79cd\u57fa\u4e8eZn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\u590d\u5408\u8584\u819c\u7684\u65b0\u578b\u591a\u5df4\u80fa\u5149\u7535\u5316\u5b66\u4f20\u611f\u5668\u3002\u5176\u4e2d\uff0cH-Cu2<\/sub>O\/CdTe QDs\u7684\u5149\u7535\u6d41\u5f3a\u5ea6\u8fdc\u8fdc\u9ad8\u4e8e\u7eafH-Cu2<\/sub>O\u548c\u7eafCdTe QDs\uff0c\u8fd9\u662f\u7531\u4e8eCdTe QDs\u548cH-Cu2<\/sub>O\u7684\u6709\u6548\u7ed3\u5408\u5f62\u6210\u4e86p-p\u5f02\u8d28\u7ed3\uff0c\u53ef\u4ee5\u6709\u6548\u6291\u5236\u7535\u5b50-\u7a7a\u7a74\u5bf9\u7684\u91cd\u7ec4\u3002\u968f\u540e\uff0c\u901a\u8fc7Kubelka-Munk\u6a21\u578b\u6df1\u5165\u7814\u7a76\u4e86\u8be5\u5149\u7535\u5316\u5b66\u4f20\u611f\u5668\u7684\u5de5\u4f5c\u673a\u5236\u3002\u540c\u65f6\uff0c\u8be5\u5149\u7535\u5316\u5b66\u4f20\u611f\u5668\u5177\u6709\u53ef\u9760\u7684\u9009\u62e9\u6027\u3001\u7a33\u5b9a\u6027\u3001\u91cd\u73b0\u6027\u548c\u68c0\u6d4b\u9650\uff08LOD=0.3 nM\uff09\uff0c\u4e5f\u4e3a\u591a\u5df4\u80fa\u7684\u68c0\u6d4b\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u672c\u6587\u8981\u70b9<\/p>\n

\u8981\u70b9\u4e00\uff1a\u4e0d\u540c\u6750\u6599\u7684\u5fae\u89c2\u7ed3\u6784\u8868\u5f81<\/p>\n

\"\"<\/p>\n

Fig. 1<\/b><\/strong>.\u00a0SEM images of\u00a0MWCNTs<\/a>\u00a0(a), Zn\u00a0CNs<\/a>\u00a0(b), Zn CNs-MWCNTs (c), H-Cu2<\/sub>O (d), H-Cu2<\/sub>O\/<\/p>\n

CdTe QDs (e), Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs (f); Mapping images of Zn CNs-MWCNTs\/<\/p>\n

H-Cu2<\/sub>O\/CdTe QDs (g\u2013n).<\/p>\n

\u8981\u70b9\u4e8c\uff1a\u5149\u7535\u5316\u5b66\u6027\u80fd\u548c\u5149\u5b66\u6027\u80fd\u7684\u7814\u7a76<\/p>\n

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Fig. 2.\u00a0<\/strong>(A)\u00a0Photocurrent<\/a>\u00a0response of CdTe QDs\/GCE (a), Zn CNs-MWCNTs\/CdTe QDs\/GCE (b), H-Cu2<\/sub>O\/GCE (c), Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/GCE (d), H-Cu2<\/sub>O\/CdTe QDs\/GCE (e), Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\/GCE (f) in PBS (0.1\u00a0M, pH\u00a0=\u00a07.0). (B) Histogram of photocurrent values of different modified electrodes. (C)\u00a0EIS<\/a>\u00a0plot of\u00a0GCE<\/a>, CdTe QDs\/GCE, Zn CNs-MWCNTs\/GCE, H-Cu2<\/sub>O\/GCE, H-Cu2<\/sub>O\/CdTe QDs\/GCE, Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\/GCE. (D)\u00a0DRS<\/a>\u00a0spectra of CdTe QDs, H-Cu2<\/sub>O and H-Cu2<\/sub>O\/CdTe QDs. (E) Plot of (Ah\u03bd)1\/2<\/sup>\u00a0versus the energy (h\u03bd) for the\u00a0band gap energy<\/a>\u00a0of CdTe QDs, H-Cu2<\/sub>O and H-Cu2<\/sub>O\/CdTe QDs. (F)\u00a0PL<\/a>\u00a0spectra of CdTe QDs, H-Cu2<\/sub>O and H\u2013Cu2<\/sub>O\/CdTe QDs.<\/p>\n

\u8981\u70b9\u4e09\uff1a\u5149\u7535\u4f20\u611f\u5668\u7684\u68c0\u6d4b\u6027\u80fd\u7814\u7a76<\/p>\n

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Fig. 3<\/b><\/strong>.\u00a0(A)\u00a0Photocurrent<\/a>\u00a0response of the Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\/GCE to different concentration of DA from 0 to 100\u00a0nM (a to j). (B) The linear relationship between the change of photocurrent and the logarithm value of the DA concentration. (C) The changes (%) of photocurrent response on Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\/GCE in PBS (0.1\u00a0M, pH\u00a0=\u00a07.0) containing different substances. (D) Stability of Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\/GCE in the presence and absence of DA. (E) Photocurrent responses of five independent electrodes prepared under the same conditions.<\/p>\n

\u56db\u3001\u7ed3\u8bba<\/p>\n

\"\"<\/p>\n

Scheme. 1<\/strong>\u00a0(A) The synthesis of the materials and the construction process of Zn CNs-MWCNTs\/H\u2013Cu2O\/CdTe QDs\/GCE modified electrode. (B) Schematic diagram of the mechanism of the photoelectrochemical sensor based on Zn CNs-MWCNTs\/H\u2013Cu2O\/CdTe QDs\/GCE for dopamine detection.<\/p>\n

\u5728\u672c\u6587\u4e2d\uff0cH-Cu2<\/sub>O\/CdTe QDs p-p\u5f02\u8d28\u7ed3\u4f5c\u4e3a\u4e00\u79cd\u65b0\u578b\u7684\u5149\u7535\u6750\u6599\uff0c\u5728\u5149\u7167\u6761\u4ef6\u4e0b\u5177\u6709\u4f18\u5f02\u7684\u5149\u7535\u6d41\u54cd\u5e94\uff0c\u8fd9\u662f\u7531\u4e8e\u8be5\u6750\u6599\u80fd\u591f\u6709\u6548\u63d0\u9ad8\u7535\u5b50-\u7a7a\u7a74\u5bf9\u7684\u5206\u79bb\u6548\u7387\u3002\u63a5\u7740\uff0c\u901a\u8fc7\u539f\u4f4d\u5408\u6210\u3001\u70ed\u5904\u7406\u548c\u8d85\u58f0\u7b49\u65b9\u6cd5\u5408\u6210\u4e00\u79cd\u6bd4\u8868\u9762\u79ef\u5927\u3001\u6d3b\u6027\u4f4d\u70b9\u4e30\u5bcc\u7684\u590d\u5408\u7eb3\u7c73\u6750\u6599Zn CNs-MWCNTs\u3002\u5176\u6b21\uff0c\u5229\u7528SEM\u3001XPS\u3001XRD\u3001DRS\u548cPL\u7b49\u8868\u5f81\u624b\u6bb5\u5bf9\u590d\u5408\u6750\u6599Zn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\u8fdb\u884c\u76f8\u5e94\u7684\u8868\u5f81\u3002\u968f\u4e4b\uff0c\u5efa\u7acb\u4e00\u79cd\u57fa\u4e8eZn CNs-MWCNTs\/H-Cu2<\/sub>O\/CdTe QDs\u590d\u5408\u8584\u819c\u7684\u65b0\u578b\u591a\u5df4\u80fa\u5149\u7535\u5316\u5b66\u4f20\u611f\u5668\u3002\u540c\u65f6\uff0c\u8be5\u5149\u7535\u5316\u5b66\u4f20\u611f\u5668\u5177\u6709\u4f18\u5f02\u7684\u5149\u7535\u5316\u5b66\u6027\u80fd\u548c\u68c0\u6d4b\u6027\u80fd\uff0c\u5bf9\u591a\u5df4\u80fa\u7684\u68c0\u6d4b\u8868\u73b0\u51fa\u8f83\u9ad8\u7684\u7075\u654f\u5ea6\uff0c\u53ef\u7528\u4e8e\u771f\u5b9e\u6837\u54c1\u7684\u68c0\u6d4b\u3002\u6b64\u5916\uff0c\u8fd9\u9879\u5de5\u4f5c\u4e5f\u4e3a\u591a\u5df4\u80fa\u7684\u68c0\u6d4b\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u601d\u8def\u3002<\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1a<\/p>\n

https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0008622322005322#<\/u><\/a><\/p>\n

\u8bfe\u9898\u7ec4\u5b98\u7f51\uff1a<\/p>\n

https:\/\/www.x-mol.com\/groups\/fei_junjie<\/u><\/a><\/p>\n

\u672c\u6587\u7531\u4f5c\u8005\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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