求助带隙宽度?? 【求助】如何由XPS价带谱计算带隙宽度
\u6c42\u52a9 \u7531\u5149\u5b66\u5438\u6536\u8c31\u600e\u4e48\u6c42\u7981\u5e26\u5bbd\u5ea6\uff0c\u4e5f\u5c31\u662fTauc plot \u600e\u4e48\u753b\u5438\u6536\u5149\u8c31\u6700\u5f3a\u4f4d\u7f6e\u7684\u6ce2\u957f\uff08nm\uff09\uff0c\u8f6c\u5316\u4e3a\u80fd\u91cf\u5355\u4f4d\u7535\u5b50\u798f\u7279\u5373\u53ef\uff08eV\uff09 \u5982\u679c\u9898\u4e3b\u61d2\u5f97\u7b97\uff0c\u7ed9\u4f60\u4e2a\u7b80\u5355\u7684\u516c\u5f0f \uff1a 1240/\u6ce2\u957f=\u7981\u5e26\u5bbd\u5ea6\uff08eV\uff09\u5148\u5c06uv-vis\u56fe\u8c31\u8f6c\u6362\u4e3aahv^2 vs hv\u66f2\u7ebf\uff0c\u5176\u4e2da\u662falpha\uff0c\u5438\u6536\u7cfb\u6570\u3002\u7136\u540e\u4f60\u4f1a\u770b\u5230\u56fe\u5927\u6982\u662f\u5148\u8f6c\u4e2a\u5f2f\uff0c\u7136\u540e\u6709\u4e00\u6bb5\u8fd1\u4f3c\u7ebf\u6027\u3002\u7136\u540e\u4f60\u5c06\u7ebf\u6027\u90e8\u5206\u4f5c\u5207\u7ebf\uff0c\u5b83\u4e0ex\u8f74\u7684\u4ea4\u70b9\u5c31\u662f\u5e26\u9699\u3002
Xps\u53ef\u4ee5\u6d4b\uff0c\u4f46\u4f60\u8981\u548c\u6d4b\u8bd5\u7684\u4eba\u8bf4\uff0c\u4ed6\u4f1a\u5728\u5e26\u9699\u9644\u4ef6\u6d4b\u6001\u5bc6\u5ea6\uff0c\u7136\u540e\u4f60\u53ef\u4ee5\u901a\u8fc7\u4f5c\u56fe\u5f97\u5230\u5e26\u9699\u5bbd\u5ea6
\u5b66\u4e60\u4e86\uff0c\u652f\u6301\u9ad8\u4eba\uff01\uff01\uff01\uff01\uff01\uff01
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