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. 2021 Mar 15;8(11):2003185. doi: 10.1002/advs.202003185

Figure 3.

Figure 3

a) Side view of the bare Ti3C2 monolayer composed of a quintuple layer with Ti(1)‐C‐Ti(2)‐C‐Ti(1) stacking modes (left) and the computed spin density distribution (right). Reproduced with permission.[ 45 ] Copyright 2012, American Chemical Society. b) Top and side views of the obtained 2D M2X layer. The dotted lines exhibit the A‐type and B‐type hollow sites described in the text. Reproduced with permission.[ 46 ] Copyright 2013, WILE‐VCH GmbH. c) Zigzag Ti atom chain and n‐biphenyl structural unit in the TiC3 monolayer. Reproduced with permission.[ 47 ] Copyright 2018, American Chemical Society. d) Top and side views of models of the functionalized MXene systems (Model 1, Model 2, and Model 4 from top to down. The faces of Model 3 resemble models 2 and 4). Green, gray, and red balls show positions of transitional metals, the carbon/nitrogen atoms, and the attached functionalized groups, respectively. Reproduced with permission.[ 46 ] Copyright 2013, WILE‐VCH GmbH. e) Side views of I‐Ti3C2F2, II‐Ti3C2F2, and III‐Ti3C2F2 from left to right and f) I‐Ti3C2(OH)2, II‐Ti3C2(OH)2, and III‐Ti3C2(OH)2 from left to right. Reproduced with permission.[ 45 ] Copyright 2012, American Chemical Society.