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Vol. 29 No. 44 November 27 2017 www.advmat.

a graphene patterning and transferring method to manufacture low-cost,

The minimum feature size of the transferred graphene patterns is in the order of a

Wearable leaf sensors are realized to monitor plant transpiration process and water

Advanced Materials has been bringing you the best in materials research for

791, Advanced Materials is one of the most influential journals in the field.

results at the cutting edge of materials science. www.advmat.

Jingkun Jiang, and coworkers report a enzyme-free hydrogen peroxide biosensor based

The corresponding electronic biosensor device is developed by using technologies of

1 Vol. 29 No. 44 November Wearable Electronics In article number , Liang Dong and co-workers present a graphene patterning and transferring method to manufacture low-cost, installation-free, wearable electronic sensors on adhesive tapes. The minimum feature size of the transferred graphene patterns is in the order of a few micrometers. Smart gloves are demonstrated to monitor human body motion. Wearable leaf sensors are realized to monitor plant transpiration process and water status. Advanced Materials has been bringing you the best in materials research for twenty-five years. With its increased ISI Impact Factor of , Advanced Materials is one of the most influential journals in the field. Publishing every week, Advanced Materials now brings you even more of the latest results at the cutting edge of materials science. Biosensors In article number , Guangjin Zhang, Chenming Liu, Rongji Liu, Jingkun Jiang, and coworkers report a enzyme-free hydrogen peroxide biosensor based on sensitive sandwich-like boron doped porous carbon nanomaterial. The corresponding electronic biosensor device is developed by using technologies of screen printing electrodes, integrated circuits, 3D-printed shell, and a custom-developed procedure. It shows excellent performance toward detection of hydrogen peroxide. Vol. 7 No. 22 November Advanced Energy Materials is the new must-have forum for all energy-related research. With its 2016 ISI impact factor of , Advanced Energy Materials is the must-have forum for all energy-related research. Advanced Energy Materials, AEnM, publishes AM-style Communications, Review Articles, Progress Reports and Research News as well as AFMstyle Full Papers WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim wileyonlinelibrary.com (1 of 5)

Contents REVIEW Solar Energy Conversion Y. Zhong, X. H. Xia,* W. J. Mai, J. P. Tu, H. J. Fan*...1700182 Integration of Energy Harvesting and Electrochemical Storage Devices Marriage for better life.

batteries/supercapacitors. The design concepts and their merit/ demerits are discussed. COMMUNICATIONS Photodetectors B. Ouyang, K. Zhang, Y. Yang*.

heterojunction, showing photoconductive gain of 4.2 10 4, responsivity of 125 µa W 1, specific detectivity of 3.

..1700179 Liquid Metal-Conductive Thermoplastic Elastomer Integration for Low-Voltage Stiffness Tuning The ability to quickly and reversibly tune stiffness is important for many soft robotic and

2 Contents REVIEW Solar Energy Conversion Y. Zhong, X. H. Xia,* W. J. Mai, J. P. Tu, H. J. Fan* Integration of Energy Harvesting and Electrochemical Storage Devices Marriage for better life. This review summarizes the latest advances in the integrated/joint smart multifunctional energy devices, with a focus on electrochromic batteries/supercapacitors and solar cells plus batteries/supercapacitors. The design concepts and their merit/ demerits are discussed. COMMUNICATIONS Photodetectors B. Ouyang, K. Zhang, Y. Yang* Self-Powered UV Photodetector Array Based on P3HT/ZnO Nanowire Array Heterojunction A self-powered UV photodetector array is demonstrated based on p-p3ht/n-zno nanowire array heterojunction, showing photoconductive gain of , responsivity of 125 µa W 1, specific detectivity of Jones, and response/ recovery speed of less than 100 ms at a low light intensity of 0.84 mw cm 2. Soft Electronics S. Rich,* S. H. Jang, Y. L. Park, C. Majidi Liquid Metal-Conductive Thermoplastic Elastomer Integration for Low-Voltage Stiffness Tuning The ability to quickly and reversibly tune stiffness is important for many soft robotic and biomedical applications. This work incorporates liquid metal and conductive thermoplastic elastomers to create electrically activated stiffnesstuning actuators for use in a robotic finger and a remoldable splint. Wastewater Treatment R. Qu, N. Liu, Y. Chen, W. Zhang, G. Zhu, Q. Zhang, L. Feng* Morphology-Induced TiO 2 Bandgap Change for Super Rapid Treatment of Dye Wastewater under Visible Light A novel morphology-induced TiO 2 nanowire-based mesh is fabricated by a simple hydrothermal reaction. The special nano wire morphology reduces the bandgap of TiO 2, and the Cu(OH) 2 substrate provides the material with higher light absorption efficiency. Combined the special wettability and the excellent photo electric property of TiO 2 nanowires, such material can realize oil removal and dye degradation under visible light (2 of 5) 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

A diazonium-induced anchoring process can be applied where a uniform thickness of organic coating is required on a variety of substrates.

The process is simple, cost-effective, manufacturable, and can potentially replace the organicbased silanization process for metallization in MEMS. COMMUNICATION Micro-Electromechanical Systems G.

..1700159 An Application of Diazonium-Induced Anchoring Process in the Fabrication of Micro-Electromechanical Systems Contents A facile method for patterning and transferring of graphene-based

The minimum feature size of the transferred nanomaterials is on the order of a few micrometers.

3 A diazonium-induced anchoring process can be applied where a uniform thickness of organic coating is required on a variety of substrates. This process is used to devise a completely aqueous route of chemical metallization of microelectromechanical systems (MEMS) structures. The process is simple, cost-effective, manufacturable, and can potentially replace the organicbased silanization process for metallization in MEMS. COMMUNICATION Micro-Electromechanical Systems G. Zeb,* M. Zafar, S. Palacin, X. T. Le* An Application of Diazonium-Induced Anchoring Process in the Fabrication of Micro-Electromechanical Systems Contents A facile method for patterning and transferring of graphene-based sensing nanomaterials onto adhesive tape is developed toward low-cost, installation-free, wearable sensors. The minimum feature size of the transferred nanomaterials is on the order of a few micrometers. Wearable on-tape plant leaf sensors, mechanical sensors, and smart gloves are demonstrated for realtime monitoring of plant water transpiration and human motion. Wearable Electronics S. Oren, H. Ceylan, P. S. Schnable, L. Dong* High-Resolution Patterning and Transferring of Graphene-Based Nanomaterials onto Tape toward Roll-to- Roll Production of Tape-Based Wearable Sensors A kind of sandwich-like boron doped porous carbon electrocatalyst is synthesized. It shows excellent electrochemical performance toward detection of hydrogen peroxide as an enzyme-free biosensor. Furthermore, an electronic biosensor device based on the material is developed by using technologies of screen printing electrode, integrated circuit, 3D printed shell, and customdeveloped procedure, which is advanced and shows possibility of practical application. Biosensors Z. H. Li, W. B. Wang, H. B. Cao, Q. Zhang, X. Y. Zhou, D. B. Wang, Y. L. Wang, S. S. Zhang, G. J. Zhang,* C. M. Liu,* Y. Zhang, R. J. Liu,* J. K. Jiang* Boron Doped ZIF-67@Graphene Derived Carbon Electrocatalyst for Highly Efficient Enzyme-Free Hydrogen Peroxide Biosensor How to contact us: Editorial Office: Phone: (+49) Fax: (+49) advmattechnol@wiley-vch.de Reprints: kkornmac@wiley.com Copyright Permission: Fax: (+49) rights@wiley-vch.de 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (3 of 5)

Contents Printed Electronics A. Heinrichsdobler,* J. C. Roigk, F. Schirmeier, C. J. Brabec, T. Wehlus.

By application of a Monte Carlo simulation the optimal print strategy to minimize the pinhole probability is pointed out.

..1700221 Enhanced Self-Powered UV Photoresponse of Ferroelectric PZT Materials by Pyroelectric Effect A self-powered UV photodetector by utilizing the light-induced pyroelectric effect in Pb(Zr,Ti)O

4 Contents Printed Electronics A. Heinrichsdobler,* J. C. Roigk, F. Schirmeier, C. J. Brabec, T. Wehlus Pinhole-Free Inkjet Printing Strategies for Organic Electronics The origins of pinholes in inkjet-printed layers and the process conditions leading to pinholes are investigated. By application of a Monte Carlo simulation the optimal print strategy to minimize the pinhole probability is pointed out. Furthermore, a novel print strategy beyond state of the art is suggested to reduce the pinhole probability to the smallest level ever. UV-Photodetectors K. Song, N. Ma, Y. Yang* Enhanced Self-Powered UV Photoresponse of Ferroelectric PZT Materials by Pyroelectric Effect A self-powered UV photodetector by utilizing the light-induced pyroelectric effect in Pb(Zr,Ti)O 3 (PZT) is designed for realizing the 365 nm UV detection. By applying external heating, both the voltage response and the corresponding responsivity can be largely enhanced as compared with that of individual UV light illumination. Magneto-Optics C.-Y. Tsai, Y.-M. Liao, W.-C. Liao, W.-J. Lin, P. Perumal, H.-H. Hu, S.-Y. Lin, C.-H. Chang, S.-Y. Cai, T.-M. Sun, H.-I. Lin, G. Haider, Y.-F. Chen* Magnetically Controllable Random Lasers The first attempt of magnetically controllable random lasers (MCRLs) is demonstrated. The mode controllability and switchability of the MCRLs are studied systematically. It is foreseen that this work can serve as advanced magneto-optics modules for practical uses, including magnetic remote control and magneto-optics sensors. Moreover, the MCRLs made with biocompatible materials may bring new opportunities for localized bioimaging and medical diagnostics. Drug Delivery F. Soto, R. K. Mishra, R. Chrostowski, A. Martin, J. Wang* Epidermal Tattoo Patch for Ultrasound- Based Transdermal Microballistic Delivery A flexible epidermal tattoo patch for ultrasound-triggered microballistic transdermal cargo delivery. The patch contains microcannons loaded with the desired payload and perfluorocarbon (firing) emulsion. Upon application of an ultrasound pulse, the payload is rapidly ejected toward deep tissue penetration. The utility of the new microballistic concept is illustrated toward enhanced drug delivery and chemical decontamination (4 of 5) 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Carbon silica composite thin-films to produce electrode devices that withstand more than a hundred electrochemical measurements in liquid solutions without loss of performance thanks to the strong

Niu, L. Asturias-Arribas, X. Jordà, A. R. Goñi, A. Roig, M. Gich,* C. Fernández-Sánchez*.

5 Carbon silica composite thin-films to produce electrode devices that withstand more than a hundred electrochemical measurements in liquid solutions without loss of performance thanks to the strong adhesion of the silica component to the substrate. These devices are applied in electrochemical sensing but can also find application in energy storage and electrocatalysis. Electrochemical Devices P. Niu, L. Asturias-Arribas, X. Jordà, A. R. Goñi, A. Roig, M. Gich,* C. Fernández-Sánchez* Carbon Silica Composites to Produce Highly Robust Thin-Film Electrochemical Microdevices Contents Flexible transparent electrodes (FTEs) are fabricated via shearing force of rollto-roll process. The shear force of slotdie print is creatively applied to form thin layer of reduced graphene oxide. The hydroiodic acid post-treatment can remove poly styrene sulfonate as well as reduce graphene oxide to enhance conductivity. The FTEs are faultlessly employed in polymer solar cells with power conversion efficiency of 8.32% based on 1.01 cm 2. Roll-to-Roll Printing X. T. Hu, X. C. Meng, J. Xiong, Z. Q. Huang, X. Yang, L. C. Tan,* Y. W. Chen* Roll-to-Roll Fabrication of Flexible Orientated Graphene Transparent Electrodes by Shear Force and One-Step Reducing Post-Treatment 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (5 of 5)

Large-Scale Multifunctional Electrochromic-Energy Storage Device Based on Tungsten Trioxide Monohydrate Nanosheets and Prussian White

Supporting Information Large-Scale Multifunctional Electrochromic-Energy Storage Device Based on Tungsten Trioxide Monohydrate Nanosheets and Prussian White Zhijie Bi, a,b Xiaomin Li,* a Yongbo Chen, a,b