Advanced Materials

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Recently Published Articles

  1. Multigrain Platinum Nanowires Consisting of Oriented Nanoparticles Anchored on Sulfur-Doped Graphene as a Highly Active and Durable Oxygen Reduction Electrocatalyst

    Md Ariful Hoque, Fathy M. Hassan, Drew Higgins, Ja-Yeon Choi, Mark Pritzker, Shanna Knights, Siyu Ye and Zhongwei Chen

    Article first published online: 22 NOV 2014 | DOI: 10.1002/adma.201404426

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    Direct growth of multigrain platinum nanowires on sulfur-doped graphene (PtNW/SG) is reported. The growth mechanism, including Pt nanoparticle nucleation on SG, followed by nanoparticle attachment with orientation along the <111> direction is highlighted. PtNW/SG demonstrates improved Pt mass and specific activity compared to commercial catalysts towards oxygen reduction, in addition to dramatically improved stability through accelerated durability testing.

  2. Peptide Assembly-Driven Metal–Organic Framework (MOF) Motors for Micro Electric Generators

    Yasuhiro Ikezoe, Justin Fang, Tomasz L. Wasik, Takashi Uemura, Yongtai Zheng, Susumu Kitagawa and Hiroshi Matsui

    Article first published online: 22 NOV 2014 | DOI: 10.1002/adma.201404273

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    Peptide–metal–organic framework (Pep-MOF) motors, whose motions are driven by anisotropic surface tension gradients created via peptide self-assembly around frameworks, can rotate microscopic rotors and magnets fast enough to generate an electric power of 0.1 μW. A new rigid Pep-MOF motor can be recycled by refilling the peptide fuel into the nanopores of the MOF.

  3. Masthead: (Adv. Mater. 44/2014)

    Article first published online: 21 NOV 2014 | DOI: 10.1002/adma.201470302

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    Flexible Electronics: Flexible Crossbar-Structured Resistive Memory Arrays on Plastic Substrates via Inorganic-Based Laser Lift-Off (Adv. Mater. 44/2014) (page 7418)

    Seungjun Kim, Jung Hwan Son, Seung Hyun Lee, Byoung Kuk You, Kwi-Il Park, Hwan Keon Lee, Myunghwan Byun and Keon Jae Lee

    Article first published online: 21 NOV 2014 | DOI: 10.1002/adma.201470300

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    The inorganic-based laser lift-off (ILLO) process as a methodology for flexible electronics is demonstrated by K. J. Lee and co-workers on page 7480. The 32 × 32 one selector–one resistor (1S-1R) crossbar-structured memory arrays for 1 kbit flexible memory are initially fabricated on a rigid substrate using conventional micro-fabrication, then transferred without mechanical damage via the ILLO process using the laser-material interaction.

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    Solar Cells: High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter (Adv. Mater. 44/2014) (page 7426)

    Jeehwan Kim, Homare Hiroi, Teodor K. Todorov, Oki Gunawan, Masaru Kuwahara, Tayfun Gokmen, Dhruv Nair, Marinus Hopstaken, Byungha Shin, Yun Seog Lee, Wei Wang, Hiroki Sugimoto and David B. Mitzi

    Article first published online: 21 NOV 2014 | DOI: 10.1002/adma.201470303

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    On page 7427, J. Kim, H. Hiroi, T. K. Todorov, D. B. Mitzi, and co-workers report high-efficiency Cu2ZnSn(S,Se)4 solar cells by applying In2S3/CdS double emitters. This new structure offers a high doping concentration within the Cu2ZnSn(S,Se)4 solar cells, resulting in substantial enhancement in the open-circuit voltage. The 12.4% device is obtained with a record open-circuit voltage deficit of 593 mV.