de Lima, C. R. et al. A biomimetic piezoelectric pump: computational and experimental characterization. Sens. Actuators A 152, 110–118 (2009).
Baughman, R. H. et al. Carbon nanotube actuators. Science 284, 1340–1344 (1999).
Pelrine, R., Kornbluh, R., Pei, Q. B. & Joseph, J. High-speed electrically actuated elastomers with strain greater than 100%. Science 287, 836–839 (2000).
Ahir, S. V. & Terentjev, E. M. Photomechanical actuation in polymer-nanotube composites. Nat. Mater. 4, 491–495 (2005).
Huang, Y., Liang, J. & Chen, Y. The application of graphene based materials for actuators. J. Mater. Chem. 22, 3671–3679 (2012).
Zhang, J., Song, L., Zhang, Z., Chen, N. & Qu, L. Environmentally responsive graphene systems. Small 10, 2151–2164 (2014).
Zhao, F., Zhao, Y., Chen, N. & Qu, L. Stimuli-deformable graphene materials: from nanosheet to macroscopic assembly. Mater. Today 19, 146–156 (2016).
Dai, J., Yuan, J. & Giannozzi, P. Gas adsorption on graphene doped with B, N, Al, and S: a theoretical study. Appl. Phys. Lett. 95, 232105 (2009).
Yuan, W., Liu, A., Huang, L., Li, C. & Shi, G. High-performance NO2 sensors based on chemically modified graphene. Adv. Mater. 25, 766–771 (2013).
Han, D.-D. et al. Light-mediated manufacture and manipulation of actuators. Adv. Mater. 28, 8328–8343 (2016).
Kong, L. & Chen, W. Carbon nanotube and graphene-based bioinspired electrochemical actuators. Adv. Mater. 26, 1025–1043 (2014).
Yuan, W. & Shi, G. Graphene-based gas sensors. J. Mater. Chem. A 1, 10078–10091 (2013).
Schedin, F. et al. Detection of individual gas molecules adsorbed on graphene. Nat. Mater. 6, 652–655 (2007).
The first paper to report the graphene-based gas sensor.
Huang, B. et al. Adsorption of gas molecules on graphene nanoribbons and its implication for nanoscale molecule sensor. J. Phys. Chem. C 112, 13442–13446 (2008).
Leenaerts, O., Partoens, B. & Peeters, F. M. Adsorption of H2O, NH3, CO, NO2, and NO on graphene: a first-principles study. Phys. Rev. B 77, 125416 (2008).
Yu, K. et al. Patterning vertically oriented graphene sheets for nanodevice applications. J. Phys. Chem. Lett. 2, 537–542 (2011).
Pearce, R. et al. Epitaxially grown graphene based gas sensors for ultra sensitive NO2 detection. Sens. Actuators B 155, 451–455 (2011).
Robinson, J. A., Snow, E. S., Badescu, S. C., Reinecke, T. L. & Perkins, F. K. Role of defects in single-walled carbon nanotube chemical sensors. Nano Lett. 6, 1747–1751 (2006).
Robinson, J. T., Perkins, F. K., Snow, E. S., Wei, Z. & Sheehan, P. E. Reduced graphene oxide molecular sensors. Nano Lett. 8, 3137–3140 (2008).
Fowler, J. D. et al. Practical chemical sensors from chemically derived graphene. ACS Nano 3, 301–306 (2009).
Hwang, E. H., Adam, S. & Das Sarma, S. Transport in chemically doped graphene in the presence of adsorbed molecules. Phys. Rev. B 76, 195421 (2007).
Ao, Z. M., Yang, J., Li, S. & Jiang, Q. Enhancement of CO detection in Al doped graphene. Chem. Phys. Lett. 461, 276–279 (2008).
Dan, Y., Lu, Y., Kybert, N. J., Luo, Z. & Johnson, A. T. C. Intrinsic response of graphene vapor sensors. Nano Lett. 9, 1472–1475 (2009).
Al-Mashat, L. et al. Graphene/polyaniline nanocomposite for hydrogen sensing. J. Phys. Chem. C 114, 16168–16173 (2010).
Bai, H., Sheng, K., Zhang, P., Li, C. & Shi, G. Graphene oxide/conducting polymer composite hydrogels. J. Mater. Chem. 21, 18653–18658 (2011).
Bai, S. et al. Enhancement of NO2-sensing performance at room temperature by graphene-modified polythiophene. Ind. Eng. Chem. Res. 55, 5788–5794 (2016).
Konwer, S., Guha, A. K. & Dolui, S. K. Graphene oxide-filled conducting polyaniline composites as methanol-sensing materials. J. Mater. Sci. 48, 1729–1739 (2013).
Sundaram, R. S., Gómez-Navarro, C., Balasubramanian, K., Burghard, M. & Kern, K. Electrochemical modification of graphene. Adv. Mater. 20, 3050–3053 (2008).
Chu, B. H. et al. Hydrogen detection using platinum coated graphene grown on SiC. Sens. Actuators B 157, 500–503 (2011).
Yi, J., Lee, J. M. & Park, W. II. Vertically aligned ZnO nanorods and graphene hybrid architectures for high-sensitive flexible gas sensors. Sens. Actuators B 155, 264–269 (2011).
Song, Z. et al. Sensitive room-temperature H2S gas sensors employing SnO2 quantum wire/reduced graphene oxide nanocomposites. Chem. Mater. 28, 1205–1212 (2016).
Choi, S.-J. et al. Highly efficient electronic sensitization of non-oxidized graphene flakes on controlled pore-loaded WO3 nanofibers for selective detection of H2S molecules. Sci. Rep. 5, 8067 (2015).
Yavari, F. et al. Tunable bandgap in graphene by the controlled adsorption of water molecules. Small 6, 2535–2538 (2010).
Zhang, D., Tong, J. & Xia, B. Humidity-sensing properties of chemically reduced graphene oxide/polymer nanocomposite film sensor based on layer-by-layer nano self-assembly. Sens. Actuators B 197, 66–72 (2014).
Nair, R. R., Wu, H. A., Jayaram, P. N., Grigorieva, I. V. & Geim, A. K. Unimpeded permeation of water through helium-leak-tight graphene-based membranes. Science 335, 442–444 (2012).
Kim, H. W. et al. Selective gas transport through few-layered graphene and graphene oxide membranes. Science 342, 91–95 (2013).
Buchsteiner, A., Lerf, A. & Pieper, J. Water dynamics in graphite oxide investigated with neutron scattering. J. Phys. Chem. B 110, 22328–22338 (2006).
Bi, H. et al. Ultrahigh humidity sensitivity of graphene oxide. Sci. Rep. 3, 2714 (2013).
This work revealed the mechanisms of a GO film for a humidity sensor in detail.
Gao, W. et al. Direct laser writing of micro-supercapacitors on hydrated graphite oxide films. Nat. Nanotechnol. 6, 496–500 (2011).
Zhao, F., Cheng, H., Zhang, Z., Jiang, L. & Qu, L. Direct power generation from a graphene oxide film under moisture. Adv. Mater. 27, 4351–4357 (2015).
Zhao, F., Liang, Y., Cheng, H., Jiang, L. & Qu, L. Highly efficient moisture-enabled electricity generation from graphene oxide frameworks. Energy Environ. Sci. 9, 912–916 (2016).
Zhu, J. et al. Pseudonegative thermal expansion and the state of water in graphene oxide layered assemblies. ACS Nano 6, 8357–8365 (2012).
This work demonstrated the pseudonegative thermal expansion property of a GO film.
Park, S., An, J., Suk, J. W. & Ruoff, R. S. Graphene-based actuators. Small 6, 210–212 (2010).
The first work to report a graphene bilayer film for a humidity sensor.
Cheng, H. et al. Graphene fibers with predetermined deformation as moisture triggered actuators and robots. Angew. Chem. Int. Ed. 52, 10482–10486 (2013).
Han, D.-D. et al. Moisture-responsive graphene paper prepared by self-controlled photoreduction. Adv. Mater. 27, 332–338 (2015).
Cheng, H. et al. One single graphene oxide film for responsive actuation. ACS Nano 10, 9529–9535 (2016).
Mu, J. et al. A multi-responsive water-driven actuator with instant and powerful performance for versatile applications. Sci. Rep. 5, 9503 (2015).
Han, D.-D. et al. Bioinspired graphene actuators prepared by unilateral UV irradiation of graphene oxide papers. Adv. Funct. Mater. 25, 4548–4557 (2015).
Zhou, M., Zhai, Y. & Dong, S. Electrochemical sensing and biosensing platform based on chemically reduced graphene oxide. Anal. Chem. 81, 5603–5613 (2009).
This work demonstrated the potential applications of rGO for electrochemcial biosensing.
Liu, Y., Yu, D., Zeng, C., Miao, Z. & Dai, L. Biocompatible graphene oxide-based glucose biosensors. Langmuir 26, 6158–6160 (2010).
Liu, Y., Dong, X. & Chen, P. Biological and chemical sensors based on graphene materials. Chem. Soc. Rev. 41, 2283–2307 (2012).
Mohanty, N. & Berry, V. Graphene-based single-bacterium resolution biodevice and DNA transistor: interfacing graphene derivatives with nanoscale and microscale biocomponents. Nano Lett. 8, 4469–4476 (2008).
He, Y., Xing, X., Tang, H. & Pang, D. Graphene oxide-based fluorescent biosensor for protein detection via terminal protection of small-molecule-linked DNA. Small 9, 2097–2101 (2013).
Chen, J.-L., Yan, X.-P., Meng, K. & Wang, S.-F. Graphene oxide based photoinduced charge transfer label-free near-infrared fluorescent biosensor for dopamine. Anal. Chem. 83, 8787–8793 (2011).
Li, D., Mueller, M. B., Gilje, S., Kaner, R. B. & Wallace, G. G. Processable aqueous dispersions of graphene nanosheets. Nat. Nanotechnol. 3, 101–105 (2008).
The first study on the preparation of processable aqueous dispersions of rGO sheets.
Liu, J., Cui, L. & Losic, D. Graphene and graphene oxide as new nanocarriers for drug delivery applications. Acta Biomater. 9, 9243–9257 (2013).
Liu, Z., Robinson, J. T., Sun, X. & Dai, H. PEGylated nanographene oxide for delivery of water-insoluble cancer drugs. J. Am. Chem. Soc. 130, 10876–10877 (2008).
The first study on GO for drug delivery.
Bai, H., Li, C., Wang, X. & Shi, G. A. pH-sensitive graphene oxide composite hydrogel. Chem. Commun. 46, 2376–2378 (2010).
Hu, H., Yu, J., Li, Y., Zhao, J. & Dong, H. Engineering of a novel pluronic F127/graphene nanohybrid for pH responsive drug delivery. J. Biomed. Mater. Res. A 100, 141–148 (2012).
Bai, H., Li, C., Wang, X. & Shi, G. On the gelation of graphene oxide. J. Phys. Chem. C 115, 5545–5551 (2011).
The first study on the mechanisms of the gelation of GO.
Chen, J.-L. & Yan, X.-P. Ionic strength and pH reversible response of visible and near-infrared fluorescence of graphene oxide nanosheets for monitoring the extracellular pH. Chem. Commun. 47, 3135–3137 (2011).
Rogers, G. W. & Liu, J. Z. Graphene actuators: quantum-mechanical and electrostatic double-layer effects. J. Am. Chem. Soc. 133, 10858–10863 (2011).
Theoretical studies on the electrochemical induced strains in graphene.
Xie, X. et al. An asymmetrically surface-modified graphene film electrochemical actuator. ACS Nano 4, 6050–6054 (2010).
This work demonstrated an asymmetrical graphene film for an electrochemical actuator.
Liang, J. et al. Electromechanical actuators based on graphene and graphene/Fe3O4 hybrid paper. Adv. Funct. Mater. 21, 3778–3784 (2011).
Liu, J. et al. A rationally-designed synergetic polypyrrole/graphene bilayer actuator. J. Mater. Chem. 22, 4015–4020 (2012).
Bunch, J. S. et al. Electromechanical resonators from graphene sheets. Science 315, 490–493 (2007).
Chen, C. et al. Performance of monolayer graphene nanomechanical resonators with electrical readout. Nat. Nanotechnol. 4, 861–867 (2009).
Zhu, S.-E. et al. Graphene-based bimorph microactuators. Nano Lett. 11, 977–981 (2011).
Liang, J. et al. Electromechanical actuator with controllable motion, fast response rate, and high-frequency resonance based on graphene and polydiacetylene. ACS Nano 6, 4508–4519 (2012).
Hong, J.-Y. & Jang, J. Highly stable, concentrated dispersions of graphene oxide sheets and their electro-responsive characteristics. Soft Matter 8, 7348–7350 (2012).
Hong, J.-Y., Lee, E. & Jang, J. Electro-responsive and dielectric characteristics of graphene sheets decorated with TiO2 nanorods. J. Mater. Chem. A 1, 117–121 (2013).
Yin, J., Chang, R., Kai, Y. & Zhao, X. Highly stable and AC electric field-activated electrorheological fluid based on mesoporous silica-coated graphene nanosheets. Soft Matter 9, 3910–3914 (2013).
Yin, J., Chang, R., Shui, Y. & Zhao, X. Preparation and enhanced electro-responsive characteristic of reduced graphene oxide/polypyrrole composite sheet suspensions. Soft Matter 9, 7468–7478 (2013).
Sakhaee-Pour, A., Ahmadian, M. T. & Vafai, A. Potential application of single-layered graphene sheet as strain sensor. Solid State Commun. 147, 336–340 (2008).
Choi, S.-M., Jhi, S.-H. & Son, Y.-W. Controlling energy gap of bilayer graphene by strain. Nano Lett. 10, 3486–3489 (2010).
Cocco, G., Cadelano, E. & Colombo, L. Gap opening in graphene by shear strain. Phys. Rev. B 81, 241412 (2010).
Lu, Y. & Guo, J. Band gap of strained graphene nanoribbons. Nano Res. 3, 189–199 (2010).
Kim, K. S. et al. Large-scale pattern growth of graphene films for stretchable transparent electrodes. Nature 457, 706–710 (2009).
The first paper to report the CVD graphene films transferred on elastic substrates for stretchable electrodes.
Lee, Y. et al. Wafer-scale synthesis and transfer of graphene films. Nano Lett. 10, 490–493 (2010).
Fu, X.-W. et al. Strain dependent resistance in chemical vapor deposition grown graphene. Appl. Phys. Lett. 99, 213107 (2011).
Jin, C., Lan, H., Peng, L., Suenaga, K. & Iijima, S. Deriving carbon atomic chains from graphene. Phys. Rev. Lett. 102, 205501 (2009).
Wang, Y. et al. Super-elastic graphene ripples for flexible strain sensors. ACS Nano 5, 3645–3650 (2011).
Liu, Q., Chen, J., Li, Y. & Shi, G. High-performance strain sensors with fish-scale-like graphene-sensing layers for full-range detection of human motions. ACS Nano 10, 7901–7906 (2016).
Kim, Y.-J. et al. Preparation of piezoresistive nano smart hybrid material based on graphene. Curr. Appl. Phys. 11, S350–S352 (2011).
Li, X. et al. Stretchable and highly sensitive graphene-on-polymer strain sensors. Sci. Rep. 2, 870 (2012).
Chen, Z. et al. Three-dimensional flexible and conductive interconnected graphene networks grown by chemical vapour deposition. Nat. Mater. 10, 424–428 (2011).
Qiu, L., Liu, J. Z., Chang, S. L. Y., Wu, Y. & Li, D. Biomimetic superelastic graphene-based cellular monoliths. Nat. Commun. 3, 1241 (2012).
Zhao, J. et al. Ultra-sensitive strain sensors based on piezoresistive nanographene films. Appl. Phys. Lett. 101, 063112 (2012).
Kim, S. J., Choi, K., Lee, B., Kim, Y. & Hong, B. H. Materials for flexible, stretchable electronics: graphene and 2D materials. Annu. Rev. Mater. Res. 45, 63–84 (2015).
Ahn, J.-H. & Hong, B. H. Graphene for displays that bend. Nat. Nanotechnol. 9, 737–738 (2014).
Ryu, J. et al. Fast synthesis of high-performance graphene films by hydrogen-free rapid thermal chemical vapor deposition. ACS Nano 8, 950–956 (2014).
Khan, U., Kim, T.-H., Ryu, H., Seung, W. & Kim, S.-W. Graphene tribotronics for electronic skin and touch screen applications. Adv. Mater. 29, 1603544 (2017).
Han, T.-H. et al. Extremely efficient flexible organic light-emitting diodes with modified graphene anode. Nat. Photonics 6, 105–110 (2012).
Jiang, H.-B. et al. Bioinspired few-layer graphene prepared by chemical vapor deposition on femtosecond laser-structured Cu foil. Laser Photonics Rev. 10, 441–450 (2016).
Bae, S. et al. Roll-to-roll production of 30-inch graphene films for transparent electrodes. Nat. Nanotechnol. 5, 574–578 (2010).
Ren, L., Qiu, J. & Wang, S. Thermo-adaptive functionality of graphene/polydimethylsiloxane nanocomposites. Smart Mater. Struct. 21, 105032 (2012).
Hyunseung, Y., Kwanyeol, P. & Kim, B. J. Efficient temperature sensing platform based on fluorescent block copolymer-functionalized graphene oxide. Nanoscale 5, 5720–5724 (2013).
Lee, J. et al. Colorimetric thermometer from graphene oxide platform integrated with red, green, and blue emitting, responsive block copolymers. Chem. Mater. 28, 3446–3453 (2016).
Haraguchi, K. & Li, H. J. Control of the coil-to-globule transition and ultrahigh mechanical properties of PNIPA in nanocomposite hydrogels. Angew. Chem. Int. Ed. 44, 6500–6504 (2005).
Ling, Q. et al. Mechanically robust, electrically conductive and stimuli-responsive binary network hydrogels enabled by superelastic graphene aerogels. Adv. Mater. 26, 3333–3337 (2014).
Acik, M. et al. Unusual infrared-absorption mechanism in thermally reduced graphene oxide. Nat. Mater. 9, 840–845 (2010).
Liang, J. et al. Infrared-triggered actuators from graphene-based nanocomposites. J. Phys. Chem. C 113, 9921–9927 (2009).
Loomis, J., King, B. & Panchapakesan, B. Layer dependent mechanical responses of graphene composites to near-infrared light. Appl. Phys. Lett. 100, 073108 (2012).
Loomis, J. et al. Graphene/elastomer composite-based photo-thermal nanopositioners. Sci. Rep. 3, 1900 (2013).
Muralidharan, M. N. & Ansari, S. Thermally reduced graphene oxide/thermoplastic polyurethane nanocomposites as photomechanical actuators. Adv. Mater. Lett. 4, 927–932 (2013).
Wu, C. et al. Large-area graphene realizing ultrasensitive photothermal actuator with high transparency: new prototype robotic motions under infrared-light stimuli. J. Mater. Chem. 21, 18584–18591 (2011).
Ji, M., Jiang, N., Chang, J. & Sun, J. Near-infrared light-driven, highly efficient bilayer actuators based on polydopamine-modified reduced graphene oxide. Adv. Funct. Mater. 24, 5412–5419 (2014).
Jiang, W. et al. Photoresponsive soft-robotic platform: biomimetic fabrication and remote actuation. Adv. Funct. Mater. 24, 7598–7604 (2014).
Zhang, E. et al. Infrared-driving actuation based on bilayer graphene oxide-poly(N-isopropylacrylamide) nanocomposite hydrogels. J. Mater. Chem. A 2, 15633–15639 (2014).
Hu, Y. et al. A graphene-based bimorph structure for design of high performance photoactuators. Adv. Mater. 27, 7867–7873 (2015).
Zhang, E. et al. Fast self-healing of graphene oxide-hectorite clay-poly(N,N-dimethylacrylamide) hybrid hydrogels realized by near-infrared irradiation. ACS Appl. Mater. Interfaces 6, 22855–22861 (2014).
Huang, L. et al. Multichannel and repeatable self-healing of mechanical enhanced graphene-thermoplastic polyurethane composites. Adv. Mater. 25, 2224–2228 (2013).
Hou, C., Duan, Y., Zhang, Q., Wang, H. & Li, Y. Bio-applicable and electroactive near-infrared laser-triggered self-healing hydrogels based on graphene networks. J. Mater. Chem. 22, 14991–14996 (2012).
Weissleder, R. A clearer vision for in vivo imaging. Nat. Biotechnol. 19, 316–317 (2001).
Kim, H., Lee, D., Kim, J., Kim, T.-i. & Kim, W. J. Photothermally triggered cytosolic drug delivery via endosome disruption using a functionalized reduced graphene oxide. ACS Nano 7, 6735–6746 (2013).
Robinson, J. T. et al. Ultrasmall reduced graphene oxide with high near-infrared absorbance for photothermal therapy. J. Am. Chem. Soc. 133, 6825–6831 (2011).
Wang, Y. et al. Multifunctional mesoporous silica-coated graphene nanosheet used for chemo-photothermal synergistic targeted therapy of glioma. J. Am. Chem. Soc. 135, 4799–4804 (2013).
Hu, S.-H. et al. Photoresponsive protein-graphene-protein hybrid capsules with dual targeted heat-triggered drug delivery approach for enhanced tumor therapy. Adv. Funct. Mater. 24, 4144–4155 (2014).
Yang, X. et al. Superparamagnetic graphene oxide-Fe3O4 nanoparticles hybrid for controlled targeted drug carriers. J. Mater. Chem. 19, 2710–2714 (2009).
Cong, H.-P., He, J.-J., Lu, Y. & Yu, S.-H. Water-soluble magnetic-functionalized reduced graphene oxide sheets: in situ synthesis and magnetic resonance imaging applications. Small 6, 169–173 (2010).
Chandra, V. et al. Water-dispersible magnetite-reduced graphene oxide composites for arsenic removal. ACS Nano 4, 3979–3986 (2010).
Xie, G. et al. A facile chemical method to produce superparamagnetic graphene oxide-Fe3O4 hybrid composite and its application in the removal of dyes from aqueous solution. J. Mater. Chem. 22, 1033–1039 (2012).
Zhang, W. L. & Choi, H. J. Graphene oxide based smart fluids. Soft Matter 10, 6601–6608 (2014).
Lee, S.-H., Jung, J.-H. & Oh, I.-K. 3D networked graphene-ferromagnetic hybrids for fast shape memory polymers with enhanced mechanical stiffness and thermal conductivity. Small 10, 3880–3886 (2014).