Advanced Functional Materials

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Recently Published Articles

  1. Gold(III) Corroles for High Performance Organic Solar Cells

    Shiu-Lun Lai, Lin Wang, Chen Yang, Mei-Yee Chan, Xiangguo Guan, Chi-Chung Kwok and Chi-Ming Che

    Article first published online: 22 APR 2014 | DOI: 10.1002/adfm.201400082

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    High performance OSCs comprising gold(III) corroles as donors are demonstrated with 4.0% and 6.0% PCEs realized in optimized OSCs based on Au-C2 via vacuum and solution-processes. These PCEs are among the best reported for both types of devices with triplet photo-absorber. Involvement of Au-C2 with long excited-state-lifetime ≥ 25 μs and low ΦPL < 0.15% may benefit to OSC performance.

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    Fabrication of Periodic Nanostructure Assemblies by Interfacial Energy Driven Colloidal Lithography

    A. Dev, B. Dev Choudhury, A. Abedin and S. Anand

    Article first published online: 22 APR 2014 | DOI: 10.1002/adfm.201400018

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    An unique approach to fabricate periodic nanostructures using solution-based synthesis is demonstrated by employing self-developed periodic wettability on a hydrophobic Si substrate in presence of colloidal silica spheres. The feasibility is demonstrated by fabricating circular and ring-shaped patterns of ZnO nano­wire ensembles arranged in a hexagonal lattice. Antireflection properties of the fabricated structures are evaluated as a function of feature sizes.

  3. Highly Tunable Elastomeric Silk Biomaterials

    Benjamin P. Partlow, Craig W. Hanna, Jelena Rnjak-Kovacina, Jodie E. Moreau, Matthew B. Applegate, Kelly A. Burke, Benedetto Marelli, Alexander N. Mitropoulos, Fiorenzo G. Omenetto and David L. Kaplan

    Article first published online: 22 APR 2014 | DOI: 10.1002/adfm.201400526

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    Elastomeric silk hydrogels are easily formed by enzymatic crosslinking of tyrosine residues. The resultant gels have highly tunable mechanical properties, can withstand shear strains of 100%, are formed under all aqueous conditions, and are not cytotoxic. Modulation of cell-matrix interactions of encapsulated hMSCs can be accomplished by controlling protein concentration and gelation conditions, and the gels are biocompatible in vivo.

  4. Hybrid Enzyme-Polymeric Capsules/Mesoporous Silica Nanodevice for In Situ Cytotoxic Agent Generation

    Alejandro Baeza, Eduardo Guisasola, Almudena Torres-Pardo, José M. González-Calbet, Gustavo J. Melen, Manuel Ramirez and Maria Vallet-Regí

    Article first published online: 22 APR 2014 | DOI: 10.1002/adfm.201400729

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    Hybrid enzyme capsule-silica nanoparticles: A novel nanocarrier based on mesoporous silica nanoparticles loaded with a non-toxic pro-drug within the silica matrix and the enzyme responsible for its activation grafted on surface. This device is able to generate cytotoxic species once accumulated in the target place. The efficacy of this hybrid nanodevice for antitumoral purposes is tested against human tumoral cells showing significant efficacy.

  5. Chemical Sharpening, Shortening, and Unzipping of Boron Nitride Nanotubes

    Yunlong Liao, Zhongfang Chen, John W. Connell, Catharine C. Fay, Cheol Park, Jae-Woo Kim and Yi Lin

    Article first published online: 22 APR 2014 | DOI: 10.1002/adfm.201400599

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    Boron nitride nanotubes (BNNTs), often considered chemically inert, are shown to be significantly corroded during functionalization and dispersion by sonication in aqueous ammonia solutions. The observed corrosion effects include end-cap removal, tip sharpening, wall thinning, length shortening, and longitudinal unzipping, which highly resembles various oxidative treatments of carbon nanotubes.