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density of states (DOS)
лÒãԺʿ¿ÎÌâ×éµÄÎÄÕÂUltrathin TiO2 flakes optimizing solar light driven CO2 reductionÖгöÏÖÁ˼ÆËã̬Ãܶȣ¬±¾ÈËÍêÈ«¶Ô¼ÆËã·½Ãæ²»¶®£¬ËùÒÔ¿´²»¶®£¬ÓÐÈËÄÜ˵һÏÂÕâÕÅͼÔõôÀí½âÂð£¿ÔÎÄÃèÊöΪAs revealed by the density-functional-theory (DFT) calculations in Fig. 1(A) and (B), the ultrathin TiO2 flake exhibits obviously enhanced density of states (DOS) at the conduction band edge as compared to its bulk counterpart (as represented by red arrow in
figure), which could be further demonstrated by the corresponding distribution of charge density in Fig. 1(C) and (D). This specifies that more carriers can be efficiently transferred to the conduction band edge of the atomically thin TiO2 flakes.
£¨1£©Ôõô´Óͼ1ÖÐabͼ¿´³öultrathin TiO2̬ÃܶÈÔö´ó£»abͼÊÇÔõô×ö³öÀ´µÄ£¿
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¿´µ½ÁíÍâһƪÎÄÕÂÒ²ÓÐÏàËÆ¼ÆË㣬Èçͼ2£¬¿´²»¶®£¬ÄܽâÊÍÏÂÂð£¿ÎÄÕÂΪAngew. Chem. 2016, 128, 6828 ¨C6832
Enhanced Photoexcited Carrier Separation in Oxygen-Doped ZnIn2S4 Nanosheets for Hydrogen Evolution
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