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      <\/ol>\n\n\n\n
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        <\/ol>\n\n\n\n
        \"\"<\/figure>\n\n\n\n

        \u56fe3. \u957f\u5468\u671f\u8109\u51b2\u8fc7\u7a0b\u4e2dPt\u7eb3\u7c73\u9897\u7c92\u7684\u7ed3\u6784\u53d8\u5316\u53ca\u5176\u4e0e\u77f3\u58a8\u70ef\u8f7d\u4f53\u4e4b\u95f4\u7684\u6676\u4f53\u5b66\u5173\u7cfb\u3002<\/p>\n\n\n\n

        \u8981\u70b9\uff1a<\/strong><\/p>\n\n\n\n

        1.\u4f18\u5f02\u7684\u5468\u671f\u7a33\u5b9a\u6027\uff1a<\/strong>\u7ecf\u5386\u957f\u8fbe100\u6b21\u8109\u51b2\u52a0\u70ed\u540e\uff0c\u539f\u4f4dSTEM\u56fe\u50cf\u5e8f\u5217\u663e\u793aPt\u9897\u7c92\u4ec5\u53d1\u751f\u8f7b\u5fae\u70e7\u7ed3\uff0c\u5176\u7eb3\u7c73\u5c3a\u5bf8\u548c\u9897\u7c92\u5206\u5e03\u5728\u603b\u4f53\u57fa\u672c\u4fdd\u6301\u7a33\u5b9a\uff08\u56fe3a-h\uff09\u3002<\/p>\n\n\n\n

        2.\u91d1\u5c5e\u9897\u7c92-\u8f7d\u4f53\u53d6\u5411\u5bf9\u9f50\uff1a<\/strong>\u7edf\u8ba1\u7ed3\u679c\u8868\u660e\uff0c100\u6b21\u8109\u51b2\u540e\uff0cPt\u9897\u7c92\u4e0e\u77f3\u58a8\u70ef\u8f7d\u4f53\u4e4b\u95f4\u5f62\u6210\u4e86\u9ad8\u5ea6\u7684\u6676\u4f53\u5b66\u53d6\u5411\u5bf9\u9f50\u5173\u7cfb\uff0c\u663e\u8457\u964d\u4f4e\u4e86\u754c\u9762\u80fd\uff08\u56fe3i-k\uff09\u3002<\/p>\n\n\n\n

          <\/ol>\n\n\n\n
          \"\"<\/figure>\n\n\n\n

          \u56fe4. Pt\u7eb3\u7c73\u9897\u7c92\u5728100\u6b21\u8109\u51b2\u8fc7\u7a0b\u4e2d\u7684\u539f\u5b50\u5c3a\u5ea6\u7ed3\u6784\u6f14\u53d8\u3002<\/p>\n\n\n\n

          \u8981\u70b9\uff1a<\/strong><\/p>\n\n\n\n

          \u7ed3\u6784\u4f18\u5316\u8def\u5f84\uff1a<\/strong>\u9ad8\u5206\u8fa8TEM\u56fe\u50cf\u63ed\u793a\u4e86Pt\u9897\u7c92\u4ece\u4f4e\u7ed3\u6676\u5ea6\u7684\u4e0d\u89c4\u5219\u692d\u5706\u7ed3\u6784\uff08\u524d10\u6b21\u8109\u51b2\uff09\uff0c\u7ecf\u8fc7\u4e2d\u95f4\u6001\u7684\u7ec6\u957f\u516d\u8fb9\u5f62\uff0810-40\u6b21\u8109\u51b2\uff09\uff0c\u6700\u7ec8\u6f14\u53d8\u4e3a\u89c4\u5219\u516d\u8fb9\u5f62\u7ed3\u6784\u7684\u5168\u8fc7\u7a0b\uff08\u56fe4\uff09\u3002\u8fd9\u4e00\u8fc7\u7a0b\u7531\u8109\u51b2\u52a0\u70ed\u9a71\u52a8\u8868\u9762\u539f\u5b50\u91cd\u6392\u6240\u81f4\uff0c\u4f7f\u4f53\u7cfb\u9010\u6b65\u8d8b\u8fd1\u80fd\u91cf\u6700\u4f4e\u7684\u7a33\u5b9a\u72b6\u6001\u3002<\/p>\n\n\n\n

            <\/ol>\n\n\n\n
            \"\"<\/figure>\n\n\n\n

            \u56fe5. \u7406\u8bba\u8ba1\u7b97\u63ed\u793a\u7684\u6297\u70e7\u7ed3\u673a\u7406<\/p>\n\n\n\n

            \u8981\u70b9\uff1a<\/p>\n\n\n\n

            1.\u6700\u4f4e\u80fd\u91cf\u754c\u9762\u6784\u578b\uff1a<\/strong>DFT\u8ba1\u7b97\u8868\u660e\uff0cPt(111)\u9762\u4e0e\u77f3\u58a8\u70ef\u7684\u7ed3\u5408\u80fd\u6700\u4f4e\uff0c\u8fd9\u4e0e\u5b9e\u9a8c\u4e2d\u89c2\u5bdf\u5230\u7684\u754c\u9762\u4f18\u5316\u65b9\u5411\u4e00\u81f4\uff0c\u662f\u9897\u7c92\u7a33\u5b9a\u7684\u5185\u5728\u539f\u56e0\uff08\u56fe5a-d\uff09\u3002<\/p>\n\n\n\n

            2.\u52a8\u529b\u5b66\u6291\u5236\u7684\u6a21\u62df\u9a8c\u8bc1<\/strong>\uff1a\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u5bf9\u6bd4\u663e\u793a\uff0c\u5feb\u901f\u5347\u6e29\uff08\u6a21\u62df\u8109\u51b2\u52a0\u70ed\uff09\u80fd\u5f3a\u70c8\u6291\u5236Pt\u539f\u5b50\u6269\u6563\uff0c\u800c\u6052\u6e29\u6761\u4ef6\uff08\u6a21\u62df\u4f20\u7edf\u52a0\u70ed\uff09\u5219\u5bfc\u81f4\u9897\u7c92\u8fc5\u901f\u94fa\u5c55\u4e0e\u70e7\u7ed3\uff08\u56fe5e-f\uff09\u3002<\/p>\n\n\n\n

            3.\u5173\u952e\u52a8\u529b\u5b66\u7a97\u53e3\u7684\u786e\u5b9a<\/strong>\uff1a\u5b9e\u9a8c\u89c2\u6d4b\u786e\u5b9a\u4e86\u4e00\u4e2a\u7ea66\u79d2\u7684\u4e34\u754c\u4fdd\u6e29\u65f6\u95f4\u9608\u503c\uff0c\u4f4e\u4e8e\u6b64\u65f6\u95f4\u53ef\u663e\u8457\u7f13\u89e3\u70e7\u7ed3\uff0c\u4ece\u52a8\u529b\u5b66\u89d2\u5ea6\u5b9a\u4e49\u4e86\u8109\u51b2\u52a0\u70ed\u5b9e\u73b0\u6297\u70e7\u7ed3\u7684\u201c\u5b89\u5168\u7a97\u53e3\u201d\uff08\u56fe5g-h\uff09\u3002<\/p>\n\n\n\n

              <\/ol>\n\n\n\n

              \u3010\u603b\u7ed3\u4e0e\u5c55\u671b\u3011<\/strong><\/p>\n\n\n\n

              \u8be5\u7814\u7a76\u7cfb\u7edf\u63ed\u793a\u4e86\u8d85\u5feb\u8109\u51b2\u52a0\u70ed\u6291\u5236\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u70e7\u7ed3\u7684\u5fae\u89c2\u673a\u7406\uff0c\u660e\u786e\u4e86\u52a8\u529b\u5b66\u7a33\u5b9a\u6001\u7684\u5173\u952e\u4f5c\u7528\u3002\u76f8\u5173\u5de5\u4f5c\u4e3a\u5229\u7528\u975e\u5e73\u8861\u5408\u6210\u7b56\u7565\uff0c\u7406\u6027\u8bbe\u8ba1\u4e0e\u5236\u5907\u9ad8\u6027\u80fd\u3001\u9ad8\u7a33\u5b9a\u6027\u7684\u6297\u70e7\u7ed3\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u91cd\u8981\u7684\u7406\u8bba\u4f9d\u636e\u4e0e\u5de5\u827a\u6307\u5bfc\u3002\u672a\u6765\u7814\u7a76\u53ef\u8fdb\u4e00\u6b65\u62d3\u5c55\u8be5\u7b56\u7565\u81f3\u66f4\u591a\u91d1\u5c5e-\u8f7d\u4f53\u4f53\u7cfb\uff0c\u5e76\u63a2\u7d22\u5176\u5728\u5de5\u4e1a\u50ac\u5316\u5e94\u7528\u4e2d\u7684\u6f5c\u529b\u3002<\/p>\n\n\n\n

              \u3010\u6587\u732e\u4fe1\u606f\u3011<\/strong><\/p>\n\n\n\n

              Jiawei Huang, Zhouyang Zhang*, Guangren Wang, Jiaqi Chen, Yucheng Zhang, Jian Zhou, Chunxian Xing, Yiran Ying*, Changshui Huang* & Linfeng Fei*. Nonequilibrium pulsed heating freezes sintering of supported metal nanocatalysts. Nat. Commun. (2026). https:\/\/doi.org\/10.1038\/s41467-026-68539-5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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