{"id":88036,"date":"2017-06-30T06:30:47","date_gmt":"2017-06-29T22:30:47","guid":{"rendered":"\/\/m.iemloyee.com\/?p=88036"},"modified":"2017-06-30T10:44:42","modified_gmt":"2017-06-30T02:44:42","slug":"%e6%ad%a6%e6%b1%89%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6nano-lett-%ef%bc%9a%e5%9c%ba%e6%95%88%e5%ba%94%e8%b0%83%e6%8e%a7vse2%e7%ba%b3%e7%b1%b3%e7%89%87%e5%90%b8%e9%99%84%e5%8a%a8%e5%8a%9b%e5%ad%a6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=88036","title":{"rendered":"\u6b66\u6c49\u7406\u5de5\u5927\u5b66Nano Lett.\uff1a\u573a\u6548\u5e94\u8c03\u63a7VSe2\u7eb3\u7c73\u7247\u5438\u9644\u52a8\u529b\u5b66\u5b9e\u73b0HER\u9ad8\u6548\u50ac\u5316"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u4e8c\u7ef4\u5c42\u72b6\u8fc7\u6e21\u91d1\u5c5e\u786b\u5316\u7269\uff08TMDCs\uff09\u7531\u4e8e\u5176\u72ec\u7279\u7684\u6676\u4f53\u7ed3\u6784\u548c\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\uff0c\u5728\u7eb3\u7c73\u7535\u5b50\u5b66\u3001\u5149\u7535\u5b50\u5b66\u548c\u7535\u5316\u5b66\u50a8\u80fd\u5668\u4ef6\u9886\u57df\u5907\u53d7\u5173\u6ce8\u3002\u57fa\u4e8eTMDCs\u7535\u5b50\u7ed3\u6784\u8f6c\u53d8\u800c\u63d0\u5347\u7535\u5bfc\u7387\u7684\u7535\u5316\u5b66\u50a8\u80fd\u5668\u4ef6\uff0c\u5176\u50a8\u80fd\u6548\u7387\u4e5f\u5f97\u5230\u4e86\u6709\u6548\u7684\u6539\u5584\u3002\u7814\u7a76\u53d1\u73b0MoS2<\/sub>\u4ece2H\u534a\u5bfc\u4f53\u76f8\u52301T\u91d1\u5c5e\u76f8\u7684\u8f6c\u53d8\uff0c\u63d0\u9ad8\u4e86\u6750\u6599\u672c\u8eab\u7684\u7535\u5bfc\u7387\uff0c\u4ece\u800c\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u5176\u5728\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u4e2d\u7684\u50ac\u5316\u6027\u80fd\u3002\u90e8\u5206\u7814\u7a76\u79f0\uff0c\u901a\u8fc7\u8c03\u8282FET\u57fa\u7535\u5316\u5b66-\u6db2\u76f8\u6805\u6781\u7535\u538b\u53ef\u4ee5\u6709\u6548\u8c03\u63a7\u6db2\u76f8\u4e2d\u79bb\u5b50\u6d53\u5ea6\u548c\u534a\u5bfc\u4f53\u7535\u5bfc\u7387\uff0c\u4ece\u800c\u589e\u5f3a\u79bb\u5b50\u4f20\u5bfc\u548c\u4f18\u5316\u8fc7\u7535\u4f4d\u3002\u5bf9\u4e8eHER\u4f53\u7cfb\u800c\u8a00\uff0c\u9664\u50ac\u5316\u70ed\u529b\u5b66\u4ee5\u5916\uff0c\u79bb\u5b50\u52a8\u529b\u5b66\u4e5f\u81f3\u5173\u91cd\u8981\uff0c\u5982\u4f55\u901a\u8fc7\u573a\u6548\u5e94\u8c03\u63a7\u7535\u8377\u8f93\u8fd0\u901f\u7387\u548c\u5438\u9644\u52a8\u529b\u5b66\u4ecd\u6709\u5f85\u653b\u514b\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u9ea6\u7acb\u5f3a\u6559\u6388\u8bfe\u9898\u7ec4<\/strong>\u5728Nano Lett.<\/strong>\u4e0a\u53d1\u8868\u4e00\u7bc7\u9898\u4e3a\u201cField-effect tuned adsorption-dynamics of VSe2<\/sub> nanosheet for enhanced hydrogen evolution reaction<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u4ecb\u7ecd\u4e86\u7535\u573a\u8c03\u63a7VSe2<\/sub>\u7eb3\u7c73\u7247\u5438\u9644\u52a8\u529b\u5b66\uff0c\u589e\u5f3aHER\u6027\u80fd\u7684\u76f8\u5173\u5de5\u4f5c\u3002\u7814\u7a76\u4eba\u5458\u5229\u7528\u4e0d\u540c\u7684\u80cc\u6805\u7535\u538b\u8bf1\u5bfc\u5b9e\u73b0\u4e86\u7535\u89e3\u6db2-VSe2<\/sub>\u7eb3\u7c73\u7247\u754c\u9762\u7684\u79bb\u5b50\u5206\u5e03\u8c03\u63a7\uff0c\u63d0\u9ad8\u4e86\u7535\u8377\u8fd0\u8f93\u6548\u7387\uff0c\u4ece\u800c\u5728\u6839\u672c\u4e0a\u4fc3\u8fdb\u4e86HER\u7684\u653e\u7535\u8fc7\u7a0b\u8fd9\u4e00\u9650\u901f\u53cd\u5e94\u3002\u7531\u4e8e\u7535\u573a\u8c03\u63a7VSe2<\/sub>\u7eb3\u7c73\u7247\u5438\u9644\u52a8\u529b\u5b66\u7684\u4f5c\u7528\uff0c\u8d77\u59cb\u8fc7\u7535\u4f4d\u4ece126 mV\u964d\u4f4e\u5230\u4e8670 mV\uff0c\u7535\u8377\u8f6c\u79fb\u7535\u963b\u4ece1.03 M\u03a9\u964d\u4f4e\u5230\u4e860.15 M\u03a9\uff0c\u5438\u9644\u8fc7\u7a0b\u65f6\u95f4\u5e38\u6570\u4ece2.5\u00d710-3<\/sup> \u964d\u4f4e\u5230\u4e865.0\u00d710-4<\/sup> s\u3002\u901a\u8fc7\u7535\u573a\u6548\u5e94\u8c03\u63a7\u589e\u5f3aVSe2<\/sub>\u7eb3\u7c73\u7247\u50ac\u5316\u6027\u80fd\u8fd9\u4e00\u6280\u672f\uff0c\u4e3a\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u601d\u8def\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00<\/strong>\u00a0 HER<\/strong>\u5668\u4ef6\u7684\u5f62\u8c8c\u53ca\u5de5\u4f5c\u539f\u7406\u56fe\u793a<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>VSe2<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\u6a21\u578b\uff1b<\/p>\n

(b) <\/strong>HER\u5668\u4ef6\u7684\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

(c) <\/strong>VSe2<\/sub>\u7eb3\u7c73\u7247\u7684\u5149\u5b66\u663e\u5fae\u56fe\u7247\uff0c\u5176\u4e2d\u9ec4\u8272\u6761\u7eb9\u4ee3\u8868\u4e24\u91d1\u7535\u6781\uff1b<\/p>\n

(d-e) <\/strong>VSe2<\/sub>\u7eb3\u7c73\u7247\u7684SEM\u56fe\u50cf\u53ca\u5bf9\u5e94\u7684EDS\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n

\u56fe\u4e8c<\/strong>\u00a0 <\/strong>\u5355\u4e2a<\/strong>VSe2<\/sub><\/strong>\u7eb3\u7c73\u7247\u7684<\/strong>HER<\/strong>\u6d3b\u6027\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>PMMA, Au, VSe2<\/sub>, Pt\u7684\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

(b-c) <\/strong>\u5728\u4e0d\u540c\u80cc\u6805\u7535\u538b\uff08Vbg<\/sub>=0 V, -0.2 V, -0.5 V, -0.8 V\u548c-1.0 V\uff09\u4e0b\uff0c\u5355\u4e2aVSe2<\/sub>\u7eb3\u7c73\u7247\u7684\u6781\u5316\u66f2\u7ebf\u53ca\u5bf9\u5e94\u7684\u5854\u83f2\u5c14\u66f2\u7ebf\uff1b<\/p>\n

(d) <\/strong>\u80cc\u6805\u7535\u538b\u5bf9\u8d77\u59cb\u8fc7\u7535\u4f4d\u548c\u5854\u83f2\u5c14\u659c\u7387\u7684\u5f71\u54cd\u3002<\/p>\n

\u56fe\u4e09<\/strong>\u00a0 <\/strong>\u7535\u5316\u5b66\u963b\u6297\u548c\u70ed\u529b\u5b66\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u4e0d\u540c\u80cc\u6805\u7535\u538b\u4e0b\uff0c\u5355\u4e2aVSe2<\/sub>\u7eb3\u7c73\u7247\u7684\u5948\u594e\u65af\u7279\u56fe\uff1b<\/p>\n

(b) <\/strong>\u7535\u8377\u8f6c\u79fb\u7535\u963b\uff08Rct<\/sub>\uff09\u548c\u6781\u5316\u7535\u963b\uff08Rp<\/sub>\uff09\u56fe\uff1b<\/p>\n

(c) <\/strong>\u76f8\u5bf9\u5e94\u7684\u9ad8\u9891\u65f6\u95f4\u5e38\u6570\u548c\u4f4e\u9891\u65f6\u95f4\u5e38\u6570\u56fe\uff1b<\/p>\n

\u56fe\u56db<\/strong>\u00a0 HER<\/strong>\u6761\u4ef6\u4e0b\u7684\u539f\u4f4d\u4f0f\u5b89\u7279\u6027\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a) <\/strong>\u4e0d\u540c\u7535\u52bf\u5dee\u2206V\uff08\u2206V=V1<\/sub>-V2<\/sub>\uff09\u4e0b\u7684\u6781\u5316\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3a\u539f\u4f4d\u6d4b\u8bd5\u7535\u8def\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(b) <\/strong>\u8d1f\u8f7d\u7535\u538b\u4e3a-0.1V\u3001-0.2V\u548c-0.3V\u65f6\uff0c\u7535\u52bf\u5dee\u2206V\u548c\u7535\u6d41I\u4e4b\u95f4\u7684\u7ebf\u6027\u5173\u7cfb\u56fe\uff1b<\/p>\n

(c) <\/strong>\u7ebf\u626b\u63cf\u8fc7\u7a0b\u4e2d\uff0cVSe2<\/sub>\u7eb3\u7c73\u7247\u7684\u7535\u963b\u53d8\u5316\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e3a0.1 V\u5230-0.4 V\u7684\u90e8\u5206\u626b\u63cf\u66f2\u7ebf\uff1b<\/p>\n

(d) <\/strong>VSe2<\/sub>\u7eb3\u7c73\u7247\u57280.5 M H2<\/sub>SO4<\/sub>\u4e2d\u7684\u5f00\u8def\u7535\u538b\uff0c\u6b65\u957f\u4e3a-0.1 V\uff0c\u4fdd\u6301\u65f6\u95f4\u4e3a10 s\uff1b<\/p>\n

(e) <\/strong>\u4e0d\u540c\u7684\u9644\u52a0\u7535\u4f4d\u504f\u7f6e\u4e0b\uff0c\u7535\u89e3\u8d28\u533a\u57df\u4e2d\u7684\u51c0\u7535\u8377\u6d53\u5ea6\u5206\u5e03\uff1b<\/p>\n

(f) <\/strong>\u4e0d\u540c\u7684\u9644\u52a0\u7535\u4f4d\u504f\u7f6e\u4e0b\uff0c\u6b63\u3001\u8d1f\u7535\u8377\u4ee5\u53ca\u51c0\u7535\u8377\u6d53\u5ea6\uff08\u63d2\u56fe\uff09\uff0c\u5176\u4e2d\u70b9\u4ee3\u8868H+<\/sup>\uff0c\u7ebf\u4ee3\u8868SO4<\/sub>–<\/sup>\u3002<\/p>\n

\u56fe\u4e94<\/strong>\u00a0 <\/strong>\u8ba1\u65f6\u7535\u6d41\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

(a)<\/strong>\u5728\u6052\u5b9a\u8d1f\u8f7d\u7535\u538b-0.4 V vs. <\/em>SCE (Vbg<\/sub> = 0 V\u548c-0.8 V)\u4e0b\uff0c VSe2<\/sub>\u7eb3\u7c73\u7247\u7684\u8ba1\u65f6\u7535\u6d41\u66f2\u7ebf\uff1b<\/p>\n

(b) <\/strong>\u5728\u8ba1\u65f6\u7535\u6d41\u6d4b\u91cf\u8fc7\u7a0b\uff08Vbg<\/sub> = -0.8V\uff09\u4e2d\uff0c\u65f6\u95f4\u76f8\u5173\u7684\u6805\u6781\u7535\u6d41\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u5728\u672c\u6587\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u80cc\u6805\u7535\u573a\u5b9e\u73b0\u79bb\u5b50\u548c\u7535\u8377\u5206\u5e03\u8c03\u63a7\uff0c\u63d0\u9ad8\u4e86VSe2<\/sub>\u7eb3\u7c73\u7247\u7684HER\u6027\u80fd\u3002\u6d4b\u8bd5\u7ed3\u679c\u663e\u793a\uff0c\u521d\u59cb\u8fc7\u7535\u4f4d\u4ece126 mV\u964d\u4f4e\u5230\u4e8670 mV\uff0c\u5854\u83f2\u5c14\u659c\u7387\u4ece70 mVdec-1<\/sup>\u964d\u4f4e\u5230\u4e8659 mVdec-1<\/sup>\uff0c\u7535\u8377\u8f6c\u79fb\u7535\u963b\u548c\u9ad8\u9891\u65f6\u95f4\u5e38\u6570\u4e5f\u5f97\u5230\u4e86\u5927\u5e45\u5ea6\u51cf\u5c0f\uff0c\u4ece\u800c\u4fc3\u8fdb\u4e86VSe2<\/sub>\u7eb3\u7c73\u7247HER\u7684\u653e\u7535\u8fc7\u7a0b\u8fd9\u4e00\u9650\u901f\u6b65\u3002\u8be5\u7ed3\u679c\u4e3a\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u6027\u80fd\u63d0\u5347\u63d0\u4f9b\u4e86\u65b0\u7684\u7814\u7a76\u65b9\u5411\u3002<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1a<\/strong>Field-effect tuned adsorption-dynamics of VSe2 nanosheet for enhanced hydrogen evolution reaction<\/a>(Nano Lett.<\/em>, 2017, DOI:\u00a010.1021\/acs.nanolett.7b00855)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4 \u6df1\u6d77\u4e07\u91cc \u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u4e8c\u7ef4\u5c42\u72b6\u8fc7\u6e21\u91d1\u5c5e\u786b\u5316\u7269\uff08TMDCs\uff09\u7531\u4e8e\u5176\u72ec\u7279\u7684\u6676\u4f53\u7ed3\u6784\u548c\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\uff0c\u5728\u7eb3\u7c73\u7535\u5b50\u5b66\u3001\u5149\u7535\u5b50\u5b66\u548c\u7535\u5316\u5b66\u50a8\u80fd\u5668\u4ef6\u9886\u57df\u5907\u53d7\u5173\u6ce8\u3002\u57fa\u4e8eTMDCs\u7535\u5b50\u7ed3\u6784\u8f6c\u53d8…<\/p>\n","protected":false},"author":2219,"featured_media":88031,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[1906,1295],"class_list":["post-88036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-her","tag-mailiqiang"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/88036"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/2219"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=88036"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/88036\/revisions"}],"predecessor-version":[{"id":89240,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/88036\/revisions\/89240"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/88031"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=88036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=88036"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=88036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}