Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Rajen K. Dutta"'
Autor:
Girija Thesma Chandran, Ji-Soo Jang, Reginald M. Penner, Rajen K. Dutta, Gaurav Jha, Mya Le Thai, Alana F. Ogata, Il-Doo Kim, Shaopeng Qiao
Publikováno v:
Langmuir. 33:9324-9332
The influence of hexamethylenetetraamine (HMTA) on the morphology of δ-MnO2 and its properties for electrical energy storage are investigated—specifically for ultrathick δ-MnO2 layers in the micron scale. Planar arrays of gold@δ-MnO2, core@shell
Autor:
Gaurav Jha, Mya Le Thai, Rajen K. Dutta, Girija Thesma Chandran, Reginald M. Penner, Alana F. Ogata, Shaopeng Qiao
Publikováno v:
ACS Energy Letters. 2:1162-1169
Recently we demonstrated that symmetric, all Au@δ-MnO2 core@shell nanowire capacitors can achieve cycle stability to 100 000 cycles and beyond in a poly(methyl methacrylate) (PMMA) gel electrolyte. Here we examine the limits of the PMMA gel to confe
Sub-6 nm Palladium Nanoparticles for Faster, More Sensitive H2 Detection Using Carbon Nanotube Ropes
Autor:
Girija Thesma Chandran, Reginald M. Penner, Xiaowei Li, Rajen K. Dutta, Mya Le Thai, Shaopeng Qiao
Publikováno v:
ACS Sensors. 2:282-289
Palladium (Pd) nanoparticle (NP)-decorated carbon nanotube (CNT) ropes (or CNT@PdNP) are used as the sensing element for hydrogen gas (H2) chemiresistors. In spite of the fact that Pd NPs have a mean diameter below 6 nm and are highly dispersed on th
Publikováno v:
ACS Energy Letters. 1:57-63
We demonstrate reversible cycle stability for up to 200 000 cycles with 94–96% average Coulombic efficiency for symmetrical δ-MnO2 nanowire capacitors operating across a 1.2 V voltage window in a poly(methyl methacrylate) (PMMA) gel electrolyte. T
Autor:
Qiang Xu, Xiaowei Li, Zhengyun Wu, Crystin J. Eggers, Reginald M. Penner, Girija Thesma Chandran, Rajen K. Dutta, Mya Le Thai, Shaopeng Qiao
Publikováno v:
Nano Letters. 15:5861-5867
We describe the preparation and properties of a coaxial, three-layer, gold-CdSe-gold nanowire 30 μm in length that functions as a monolithic photodetector. The gold (Au) electrode core of this sandwich structure is prepared using the lithographicall
Autor:
Wenbo Yan, John C. Hemminger, Reginald M. Penner, Yu Liu, Rajen K. Dutta, Hui Wang, Mya Le, Ruqian Wu
Publikováno v:
Chemistry of Materials. 27:3494-3504
Manganese oxide, MnO2, excels as a hybrid electrical energy storage material: The manganese centers in MnO2 are capable of undergoing a reduction from 4+ to 3+ balanced by the intercalation of lithium ions to form LixMnO2 while its conductive surface
Autor:
Xiaowei, Li, Mya, Le Thai, Rajen K, Dutta, Shaopeng, Qiao, Girija T, Chandran, Reginald M, Penner
Publikováno v:
ACS sensors. 2(2)
Palladium (Pd) nanoparticle (NP)-decorated carbon nanotube (CNT) ropes (or CNT@PdNP) are used as the sensing element for hydrogen gas (H
Publikováno v:
ACS Applied Materials & Interfaces. 6:5018-5025
A symmetrical hybrid capacitor consisting of interdigitated, horizontal nanowires is described. Each of the 750 nanowires within the capacitor is 2.5 mm in length, consisting of a gold nanowire core (40 × ≈200 nm) encapsulated within a hemicylindr
Publikováno v:
ACS nano. 10(9)
The preparation by electrodeposition of transverse nanowire electroluminescent junctions (tn-ELJs) is described, and the electroluminescence (EL) properties of these devices are characterized. The lithographically patterned nanowire electrodeposition
Publikováno v:
Conference on Lasers and Electro-Optics.
We demonstrate the generation of electron currents with remotely launched surface plasmon polaritons in Au nanojunctions under ambient conditions. Electron currents across gaps ranging from 4–12 nm are investigated and described by a modified Wentz