<p>1. Building Three dimensional Nanostructured Devices by Self-Assembly by Steve Hu, Jeong-Hyun Cho and David H. Gracias<br>Summary<br>1.1.0 The pressing need for three dimensional patterned nanofabrication<br>1.2.0 Self-assembly using molecular linkages<br>1.2.1 Three dimensional self-assembly using protein linkages<br>1.2.2 Three dimensional self-assembly with DNA linkages<br>1.3.0 Three dimensional self-assembly using physical forces<br>1.4.0 Three dimensional patterned nanofabrication by curving and bending nanostructures<br>1.4.1 Curving hingeless nanostructures using stress<br>1.4.2 Three dimensional nanofabrication by bending hinged panels to create patterned polyhedral nanoparticles<br>1.5.0 Conclusions<br>Acknowledgements<br>References</p><p> 2. Bio-inspired Three-Dimensional Nanoarchitectures by Jian Shi and Xudong Wang<br>2.1 Introduction<br>2.2 Historical Perspective<br>2.3 Bio-inspired Nanophotonics<br>2.3.1 Photonic Crystals<br>2.3.2 Color Mine in Nature<br>2.3.3 Natural Photonic Crystals<br>2.4 Bio-inspired Fabrication of Nanostrctures<br>2.4.1 Biomineralization<br>2.4.2 Biological Fine Structure Duplication<br>2.5 Bio-inspired Functionality<br>2.6 Conclusion<br>References</p><p>3. Building 3D Micro- and Nanostructures through Nanoimprint by Xing Cheng<br>3.1 Introduction to 3D structure fabrication through nanoimprint<br>3.2 Overview of nanoimprint lithography<br>3.2.1 Fundamentals of nanoimprint lithography<br>3.2.2 Materials for nanoimprint lithography]<br>3.3 Building 3D Nanostructures by Nanoimprint<br>3.3.1 Direct patterning of 3D structures in one step<br>3.3.1.1 Replicating 3D polymer structures from 3D templates<br>3.3.1.2 Applications of 3D polymer structures by one-step nanoimprint<br>3.3.2 Building 3D nanostructures by transfer bonding and sequential layer stacking<br />3.3.2.1 Principles of transfer bonding and sequential layerstacking<br>3.3.2.2 3D structures built by transfer bonding and sequential layer stacking<br>3.3.2.3 Defect modes and process yield of transfer bonding and sequential layer stacking<br>3.3.3 Building 3D nanostructures by two consecutive nanoimprints<br>3.4 Summary and future outlook<br>References </p><p>4. Electrochemical Growth of Nanostructured Materials by Jin-Hee Lim and John B. Wiley<br>4.1 Magnetic Nanomaterials<br>4.2 Semiconductor Nanostructures<br>4.3 Thermoelectric Nanomaterials<br>4.4 Conducting Polymer Nanostructures<br>4.5 Nanotube and Core-Shell Nanostructures<br>4.6 Porous Au Nanowires<br>4.7 Modification of Nanowires<br>4.8 Functionalization of Nanowires<br>4.9 Nanostructure Arrays on Substrates<br>4.10 Patterning of Nanowires<br>Acknowledgment</p><p>5. Three dimensional micro/nanomaterials generated by fiber drawing nanomanufacturing by Zeyu Ma, Yan Hong, Shujiang Ding, Minghui Zhang, Maniul Hossain, Ming Su<br>5.1 Introduction<br>5.2 Fiber draw tower<br>5.3 Materials selections<br>5.4 Drawing process<br>5.5 Size design<br>5.6 3D assembling<br>5.7 Metallic nanowires<br>5.8 Semiconductor nanowires<br>5.9 Glass microchannel array<br>5.10 Differential etching of glasses<br>5.11 Glass microspike array<br>5.12 Hybrid glass membranes<br>5.13 Textured structure of encapsulated paraffin wax microfiber<br>5.14 Conclusions<br>References</p><p>6.0 One-Dimensional Metal Oxide Nanostructures for Photoelectrochemical Hydrogen Generation by Yat Li<br>6.1 Introduction<br>6.1.1 Photoelectrochemical hydrogen generation6.1.2 Challenges in Metal Oxide based PEC hydrogen generation<br>6.1.3 One-Dimensional Nanomaterials for Photoelectrodes<br>6.2 Pristine Metal Oxide Nanowire/Nanotube-Arrayed Photoelectrodes<br>6.2.1 Nanowire arrayed photoelectrodes<br>6.2.1.1 Hematite (α-Fe<sub>2</sub>O<sub>3</sub>)<br>6.2.1.2. Titanium Oxide (TiO<sub>2</sub>) and Zinc Oxide (ZnO)6.2.1.3. Tungsten Trioxide (WO<sub>3</sub>)<br>6.2.2 Nanotube arrayed photoelectrodes<br>6.3 Element-Doped Metal Oxide 1D Nanostructures<br>6.3.1 TiO<sub>2</sub> nanostructures<br>6.3.2. ZnO nanostructures<br>6.3.3 Hematite (α-Fe<sub>2</sub>O<sub>3</sub>) nanostructures<br>6.4 Quantum Dot Sensitizations<br>6.4.1 Background<br>6.4.2 Quantum Dot Sensitized ZnO Nanowires<br>6.4.3 Quantum Dot Co-Sensitized Nanowires<br>6.4.4 Double-sided Quantum Dot Sensitization<br>6.5 Synergistic Effect of Quantum Dot Sensitization and Elemental Doping<br>6.6 Concluding Remarks<br>References </p><p>7. Helical Nanostructures: Synthesis and Potential Applications by Pu-Xian Gao and Gang Liu<br>7.1 Introduction<br>7.2 Semiconductor nanohelices<br>7.2.1 ZnO nanohelices<br>7.2.1.1 Superlattice-structured ZnO nanohelices<br>7.2.1.2 Superelasticity, nanobuckling and non-linear electronic transport properties of superlattice-structured ZnO nanohelices<br>7.2.1.2.1 Superelasticity of superlattice-structured ZnO nanohelix<br>7.2.1.2.2 Nanobuckling and fracture of superlattice-structured ZnO nanohelix<br>7.2.1.2.3 Non-linear electronic transport of superlattice-structured ZnO nanohelix<br>7.2.1.3 Other ZnO nanohelices<br>7.2.4 InP nanohelices<br>7.2.2 SiO<sub>2</sub> nanohelices<br>7.2.3 CdS nanohelices<br>7.2.4 InP nanohelices<br>7.2.5 Ga<sub>2</sub>O<sub>3</sub> nanohelices<br>7.3 Carbon-related nanohelices<br>7.3.1 Helical carbon nanoribbon/nanocoil<br>7.3.2 Helical carbon nanotube<br>7.3.3 Tungsten-containing carbon (WC) nanospring<br>7.4 Other nanohelices<br>7.4.1 Helical SiC/SiO<sub>2</sub> core-shell nanowires and Si<sub>3</sub>N<sub>4</sub> microcoils<br>7.4.2 MgB<sub>2</sub> nanohelices<br>7.4.3 Si spirals<br>7.5 Potential applications7.6 Summary<br>Acknowledgement<br>References </p><p>8. Hierarchical 3D Nanostructure Organization for Next Generation Devices by Eric N. Dattoli and Wei Lu8.1 Introduction<br>8.2 Fluidic Flow - Assisted Assembly<br>8.2.1 Drop-Drying<br>8.2.2 Channel-Confined Fluidic Flow<br>8.2.3 Blown Bubble Film Transfer<br>8.3 Nematic Liquid Crystal – Induced Assembly<br>8.4 Langmuir-Blodgett Assembly<br>8.5 Dielectrophoresis – Assembly<br>8.6 Chemical Affinity and Electrostatic Interaction - directed<br>Assembly<br>8.7 Contact Transfer<br>8.7.1 Shear-assisted Contact Printing<br>8.7.2 Stamp Transfer<br>8.8 Directed Growth<br>8.8.1 Horizontal Growth<br>8.8.2 Vertical Growth<br>8.9 Device Applications<br>8.9.1 Thin-Film Transistor<br>8.9.1.1 Performance considerations for NW- or NT- based TFTs<br>8.9.1.2 Transparent Nanowire-based TFTs<br>8.9.1.3 CNT-based TFTs<br>8.9.2 3D, Multilayer Device Structures<br>8.9.3 Sensors8.9.4 Vertical Nanowire Field Effect Transistors (FETs)<br>8.10 Conclusion<br>References </p><p>9. Strain-induced Self Rolled-up Semiconductor Microtube Resonators: A New Architecture for Photonic Device Applications by Xin Miao, Ik Su Chun, and Xiuling Li<br>9.1 Introductions<br>9.2 Formation Process<br>9.3 Photonic Applications of Rolled-up Semiconductor Tubes<br>9.3.1 Spontaneous emission from quantum well microtubes: intensity enhancement and energy shift<br>9.3.2 Optical resonance modes in rolled-up microtube ring cavity<br>9.3.3 Optically pumped lasing from rolled-up microtube ring cavity </p><p>10. Carbon Nanotube Arrays: Synthesis, Properties and Applications by Suman Neupane, Wenzhi Li<br>10.1 Introduction<br>10.2 Carbon Nanotube Synthesis<br>10.2.1 Arc discharge<br>10.2.2 Laser ablation<br>10.2.3 Electrochemical synthesis<br>10.2.4 Diffusion flame synthesis<br>10.2.5 Chemical vapor deposition<br>10.3 Carbon Nanotube Arrays<br>10.3.1 CNTA synthesis using patterned catalyst arrays<br>10.3.1.1 Pulsed laser deposition<br>10.3.1.2 Anodic aluminum oxide (AAO) templates<br />10.3.1.3 Reversemicelle method<br>10.3.1.4 Photolithography<br>10.3.1.5 Electrochemical etching<br>10.3.1.6 Sputtering<br>10.3.1.7 Nanosphere lithography<br>10.3.1.8 Sol-gel method<br>10.3.2 CNTA synthesis by other methods<br>10.3.3 Horizontal arrays of CNTs<br>10.4 Mechanical Properties<br>10.5 Thermal Properties<br>10.6 Electrical properties10.7 Applications of CNTs and CNTAs<br>10.7.1 Hydrogen storage<br>10.7.2 CNTs as Sensors<br>10.7.3 CNTs for battery and supercapacitor applications<br>10.7.4 CNTs for photovoltaic device<br>10.8 Conclusions<br>References </p><p>11. Molecular Rotors Observed by Scanning Tunneling Microscopy by Ye-liang Wang, Qi Liu, Hai-gang Zhang, Hai-ming Guo, Hong-jun Gao<br>Abstract<br>11.1 Introduction<br>11.2 Solution-based and surface-mounted molecule machines<br>11.3 Single molecular rotors at surfaces<br>11.3.1 A monomolecular rotor in supramolecular network<br>11.3.2 Gear-like rotation of molecular rotor along the edge of molecular island<br>11.3.3 Thermal-driven rotation on reconstructed-surface template <br>11.3.4 STM-driven rotation on reconstructed-surface template<br>11.3.5 Molecular rotors with variable rotation radii<br>11.3.6 Rolling motion of a single molecule at surface<br>11.4 Array of molecular motors at surfaces<br>11.5 Outlook<br>11.6 Conclusion<br>Acknowledgements<br>References </p><p>12. Nanophotonic Devices Based on ZnO Nanowires by Qing Yang and Zhong Lin Wang<br>12.1 Introduction<br>12.2 Pure optical devices based on ZnO NWs<br>12.2.1 ZnO NW subwavelength waveguides and their applications<br>12.2.2 Optical pumped lasers in ZnO NWs<br>12.2.3 Nonlinear optical devices based on ZnO NWs<br>12.3 Optoelectronic devices based ZnO NWs<br>12.3.1 ZnO NW ultra-sensitive UV and Infrared PDs<br>12.3.2 Dye-sensitized solar cells based on ZnO NWs<br>12.3.3 Single ZnO NW and NW array light emitting diodes<br />12.3.4 Electricallypumped random lasing from ZnO nanorod arrays<br>12.4 Piezo-phototronic devices based on ZnO NWs<br>12.4.1 Optimizing the power output of a ZnO photocell by piezopotential<br>12.4.2 Enhancing Sensitivity of a Single ZnO Micro-/NW Photodetector by Piezo-phototronic effect<br>12.5 Conclusions<br>References </p><p>13. Nanostructured Light Management for Advanced Photovoltaics by Jia Zhu, Zongfu Yu, Sangmoo Jeong, Ching-Mei Hsu, Shanui Fan, Yi Cui<br>Abstract<br>13.1 Introduction<br>13.2 Fabrication of Nanowire and Nanocone Arrays<br>13.2.1 Method<br>13.2.2 Shape Control: Nanowires and Nanocones<br>13.2.3 Diameter and Spacing Control<br>13.2.4 Large Scale Process<br>13.3 Photon Management: Anti-reflection<br>13.3.1 Nanowires<br>13.3.2 Nanocones<br>13.4 Photon Management: Absorption Enhancement<br>13.4.1 Different Mechanisms<br>13.4.2 Nanodome Structures<br>13.5 Solar Cell performance<br>13.6 Fundamental Limit of Light-trapping in Nanophotonics<br>13.7 Summary and Outlook<br>References </p><p>14. Highly Sensitive and Selective Gas Detection by 3D Metal Oxide Nanoarchitectures by Jiajun Chen, Kai Wang, Baobao Cao, Dr. Weilie Zhou<br>14.1 Introduction<br>14.2 Highly Sensitive Gas Detection by Standalone 3D Nanosensors<br>14.2.1 Metal Oxide Nanowire / Nanotube Array Gas Sensors<br>14.2.1.1 Nanowire Arrays<br>14.2.1.2 Nanotube Arrays<br>14.2.2 Gas Sensors Based on Opal and Inverted Opal Nanostructures<br>14.3 Sensor Arrays Based on 3D Nanostructured Gas Sensors<br>14.4 Conclusion Remarks<br>AcknowledgementReferences </p><p>15. Quantum Dot Sensitized Three Dimensional Nanostructures for Photovoltaic Applications by Jun Wang, Xukai Xin, Daniel Vennerberg, Zhiqun Lin<br>15.1 Introduction<br>15.2 Quantum dot sensitized solar cells<br>15.2.1 Overview<br>15.2.2 Synthesis of quantum dots and surface functionalization<br>15.2.3 Quantum dot sensitized nanoparticle films<br />15.2.4Quantum dot sensitized nanowire arrays<br>15.2.5 Quantum dot sensitized nanotube arrays<br>15.2.6 Investigation of charge injection in quantum dot sensitized solar cells<br>15.2.6.1 Generation of excited electrons<br>15.2.6.2 Recombination and transportation of excited electrons<br>15.3 Outlook<br>References </p><p>16. Three Dimensional Photovoltaic Devices Based on Vertically Aligned Nanowire Array by Kai Wang, Jiajun Chen, Satish Chandra Rai, and Weilie Zhou<br>16.1 Introduction<br>16.2 Photovoltaic devices based on heteroepitaxial-grown nanowire array integrated with the substrate<br>16.3 Photovoltaic devices based on axial nanowire array<br>16.4 Photovoltaic devices based on nanowire array embedded in thin film<br>16.5 Photovoltaic devices based on nanowire array with core-shell structure<br>16.5.1 P-N core-shell homojuntion photovoltaic devices<br>16.5.2 Type II core-shell heterojuntion photovoltaic devices<br>16.5.2.1 Synthesis of ZnO/ZnSe and ZnO/ZnS core-shell nanowire array<br>16.5.2.2 Structural and optical properties of ZnO/ZnSe core-shell nanowire array<br>16.5.2.3 Photoresponse of ZnO/ZnSe nanowire array<br>16.5.2.4 Morphologies, structure and optical properties of ZnO/ZnS nanowire array<br>16.5.2.5 Photovoltaic effect of ZnO/ZnS nanowire array<br>16.6. Summary and perspectives<br>Acknowledgements<br>References </p><p>17. Supercapacitors Based on 3D Nanostructrued Electrodes by Hao Zhang, Gaoping Cao, Yusheng Yang<br>17.1 Supercapacitors<br>17.2 Electrochemical double layer capacitors based on 3D Nanostructrued electrodes<br>17.2.1 Electrodes based on activated carbons and activated carbon fibers: powdered carbons with disordered pore structures<br>17.2.2 Electrodes based on carbon foams, carbon areogels, and other monolithic carbon: monolithic carbon with disordered micropores<br />17.2.3 Electrodes based on template carbons, graphene, carbide-derivedcarbons, and hierarchical porous carbons: powdered carbons with high mesopore ratios or reasonable PSD<br>17.2.4 Electrodes based on carbon nanotubes: monolithic carbons with developed mesoporous structures<br>17.3 Pseudocapacitors based on 3D Nanostructrued electrodes<br>17.3.1 Nanostructured metal oxide electrode materials<br>17.3.2 Nanostructured conducting polymer electrodes materials<br>17.4 Hybrid capacitors based on 3D Nanostructrued electrodes<br>17.4.1 Nanostructured electrodes based on metal oxides/carbon composite<br>17.4.2 Nanostructured electrodes based on polymers/carbon composites<br>17.5 Conclusions and perspectives<br>References </p><p>18. Aligned Ni Coated Single Wall Carbon Nanotubes under Magnetic Field for Coolant Applications by Haiping Hong and Mark Horton<br>18.1 Introduction<br>18.2 Experimental<br>18.3 Results and Discussion<br>18.3.1 Thermal Conductivity of Nanofluids Containing Ni-coated Nanotubes<br>18.3.2 Evidence of Magnetic Alignment of Ni-coated Nanotubes<br>18.4 Conclusion<br>18.5 Acknowledgements<br>References</p>