Self-Assembly of Two-Dimensional Nanosheets into One-Dimensional Nanostructures  Zhuangchai Lai, Ye Chen, Chaoliang Tan, Xiao Zhang, Hua Zhang  Chem  Volume 1, Issue 1, Pages 59-77 (July 2016) DOI: 10.1016/j.chempr.2016.06.011 Copyright © 2016 Elsevier Inc. Terms and Conditions

Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 1 Carbon Nanoscrolls Prepared from KC8-Interclated Graphite (A) Schematic illustration of the preparation of carbon scrolls from graphite. (B–D) Transmission electron microscopy (TEM) images of (B) a graphitic sheet in the scrolling process, (C) an isolated carbon nanoscroll with open ends, and (D) a mass of scrolled materials. From Viculis et al.48 Reprinted with permission from AAAS. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 2 Carbon Nanoscrolls Prepared from Graphite Assisted by Microwave Sparks (A) Schematic illustration of the exfoliation process for the fabrication of CNSs. (B) TEM image of a CNS. Inset: higher-magnification image of a part of the CNS. (C) High-resolution TEM image of a part of the CNS. (D) Scanning electron microscopy (SEM) image of CNSs. (E) SEM image of CNSs on SiO2/Si. Reprinted with permission from Zheng et al.51 Copyright 2011 John Wiley & Sons, Inc. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 3 Characterization of Assembled MWCNTs (A) TEM image of the resulting dispersions sonicated in the presence of ferrocene aldehyde. (B) High-resolution TEM image of a single MWCNT in (A), in which a graphene lattice is observed. Inset: a low-magnification TEM image of the MWCNTs. Reprinted with permission from Quintana et al.56 Copyright 2012 American Chemical Society. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 4 Morphology Characterization of GO-Ag Nanoparticle Hybrid Nanoscroll SEM images of the rolled GO sheets filled with Ag nanoparticles (A) and half-filled with Ag nanoparticles (B). Reproduced from Wang et al.57 with permission of The Royal Society of Chemistry. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 5 Schematic Process for the Adsorption of Iron Oxide Nanoparticles on N-rGOx Route a: maghemite-decorated N-rGOx nanoscroll. Route b: hematite-decorated N-rGOx sheets. Reprinted by permission from Macmillan Publishers Ltd: Nature Communications (Sharifi et al.42), copyright 2013. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 6 Nanowire-Templated Graphene Scrolls (A) Schematic illustration of the construction processes of a nanowire-templated graphene scroll. The green dots represent the precursor for the formation of nanowires. The gray sheets and scroll represent the rGO. (B and C) SEM images of the synthesized (B) V3O7 nanowire templated graphene scrolls (VGSs) and (C) MnO2 nanowire templated graphene scrolls (MGSs). Reprinted with permission from Yan et al.61 Copyright 2013 American Chemical Society. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 7 Chiral Nanofibers Assembled from 2D Nanosheets (A–C) SEM images (A and B) and atomic force microscopy (AFM) phase image (C) of chiral GO nanofibers. (D–F) SEM images (D and E) and AFM phase image (F) of chiral MoS2 nanofibers. (G–I) SEM images (G and H) and AFM phase image (I) of chiral TaS2 nanofibers. Reproduced with permission from Tan et al.36 Copyright 2015 American Chemical Society. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 8 Assembled GO Architectures by the Molecular Combing Method (A–D) Schematic illustration of molecular combing process of GO sheets on 16-mercaptohexadecanoic acid (MHA)-1-octadecanethiol (ODT) patterned Au substrate (A) before and (B) after molecular combing of GO sheets on dotted MHA-ODT patterns and (C) before and (D) after molecular combing of GO sheets on lined MHA-ODT patterns. (E) Characterization of novel GO architectures: SEM images of GO architecture prepared on 5 × 5 μm dotted MHA-ODT patterns. (F) AFM images of GO architectures prepared on 10 × 10 μm dotted MHA-ODT patterns. (G) TEM image of GO architecture prepared on 5 × 5 μm dotted MHA-ODT patterns. Reproduced with permission from Wu et al.68 Copyright 2014 John Wiley & Sons, Inc. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 9 Energy Storage of the Assembled 1D Nanostructures (A) Galvanostatic discharge profiles of V3O7 nanowire-templated graphene scrolls (VGS, red line), V3O7 nanowire/graphene composite (VG, black line), and pure V3O7 nanowires (PV, blue line) at 2,000 mA g−1 tested between 4 and 1.5 V. Reprinted with permission from Yan et al.61 Copyright 2013 American Chemical Society. (B) Cyclic voltammetry (CV) curves of graphene fiber/MnO2 composite (G/MnO2) electrodes at scan rates from 10 to 500 mV s−1. Reprinted with permission from Li et al.64 Copyright 2011 American Chemical Society. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 10 Resistive Memory Based on the Chiral MoS2 Nanofiber with P123 (A) Photograph of 6 × 6 flexible memory devices on polyethylene terephthalate. Inset: schematic illustration of the fabricated memory device. (B) Initial I-V characteristics of a chiral-MoS2-nanofiber-based memory device. (C) Consecutive I-V measurements on a chiral-MoS2-nanofiber-based memory device. (D) Retention test of a chiral-MoS2-nanofiber-based memory device at a reading voltage of −0.5 V under ambient conditions. Reprinted with permission from Tan et al.36 Copyright 2015 American Chemical Society. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions

Figure 11 Gas Sensing Based on Assembled rGO 1D Nanostructures (A) Optical image of the fabricated single-rGO-scroll device. (B) Real-time current response after exposure of the single-rGO-scroll device to NO2 gas with increasing concentration. Reproduced with permission from Li et al.67 Copyright 2013 John Wiley & Sons, Inc. (C) Optical image of a single-beaded-rGO-string device. (D) Current response of a beaded-rGO-string-based device at various concentrations of NO2 at room temperature. Reproduced with permission from Wu et al.68 Copyright 2014 John Wiley & Sons, Inc. Chem 2016 1, 59-77DOI: (10.1016/j.chempr.2016.06.011) Copyright © 2016 Elsevier Inc. Terms and Conditions