نتایج جستجو برای: nanocone sheet

تعداد نتایج: 39218  

In this study 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) interaction with carbon nanocone(NC) and nanocone Sheet (NCS) was evaluated by density functional theory. The calculated thermodynamic parameters including Gibbs free energy changes and Enthalpy alterations showed the interaction of TATB with the both nanostructures are exothermic, spontaneous, experimentally possible ...

Journal: :The journal of physical chemistry letters 2017
Seulgi So Han Wai Millie Fung Kellen Kartub Adam M Maley Robert M Corn

Ordered nanocone arrays of the electroactive polymer poly(3,4-ethylenedioxythiophene) (PEDOT) were fabricated by the simultaneous oxygen plasma etching of an electrodeposited PEDOT thin film coated with a hexagonally closed packed polystyrene bead monolayer. PEDOT nanocone arrays with an intercone spacing of 200 nm and an average nanocone height of 350 nm exhibited a low broadband reflectivity ...

Journal: :ACS applied materials & interfaces 2014
Mana Toma Gabriel Loget Robert M Corn

Tunable hydrophobic/hydrophilic flexible Teflon nanocone array surfaces were fabricated over large areas (cm(2)) by a simple two-step method involving the oxygen plasma etching of a colloidal monolayer of polystyrene beads on a Teflon film. The wettability of the nanocone array surfaces was controlled by the nanocone array dimensions and various additional surface modifications. The resultant T...

Journal: :Nano letters 2013
Mana Toma Gabriel Loget Robert M Corn

Flexible broadband antireflective and light-absorbing nanostructured gold thin films are fabricated by gold vapor deposition onto Teflon films modified with nanocone arrays. The nanostructures are created by the oxygen plasma etching of polystyrene bead monolayers on Teflon surfaces. The periodicity and height of the nanocone arrays are controlled by the bead diameter and the overall etching ti...

2015
Z. Y. Wang R. J. Zhang S. Y. Wang M. Lu X. Chen Y. X. Zheng L. Y. Chen Z. Ye C. Z. Wang K. M. Ho

Nanostructure arrays such as nanowire, nanopillar, and nanocone arrays have been proposed to be promising antireflection structures for photovoltaic applications due to their great light trapping ability. In this paper, the optical properties of Si nanopillar and nanocone arrays in visible and infrared region were studied by both theoretical calculations and experiments. The results show that t...

2015
Joondong Kim Ju-Hyung Yun Hyunyub Kim Yunae Cho Hyeong-Ho Park M. Melvin David Kumar Junsin Yi Wayne A. Anderson Dong-Wook Kim

Periodical nanocone-arrays were employed in an emitter region for high efficient Si solar cells. Conventional wet-etching process was performed to form the nanocone-arrays for a large area, which spontaneously provides the graded doping features for a selective emitter. This enables to lower the electrical contact resistance and enhances the carrier collection due to the high electric field dis...

2015
Dong Zhang Weina Ren Zhichao Zhu Haifeng Zhang Bo Liu Wangzhou Shi Xiaomei Qin Chuanwei Cheng

In this work, highly-ordered silicon inverted nanocone arrays are fabricated by integration of nanosphere lithography with reactive ion etching (RIE) method. The optical characteristics of as-prepared Si inverted nanocone arrays are investigated both by experiments and simulations. It is found that the Si nanocone arrays present excellent broadband light antireflectance properties, which are at...

2018
Adhemar Bultheel Ottorino Ori

In this article topological modeling techniques have been applied to the study of one pentagon carbon nanocones (apical angle 19°) to derive important results about preferred sizes and chemical reactivity. This theoretical model looks to the nanocone just like a 3-connected graph and considers the topological efficiency (or topological roundness) of such a system as the longrange topological po...

Journal: :Nanoscale 2014
Wendong Liu Xueyao Liu Jiaozi Fangteng Shuli Wang Liping Fang Huaizhong Shen Siyuan Xiang Hongchen Sun Bai Yang

This paper presents a facile method to fabricate bioinspired polyethylene terephthalate (PET) nanocone arrays via colloidal lithography. The aspect ratio (AR) of the nanocones can be finely modulated ranging from 1 to 6 by regulating the etching time. The samples with the AR value of 6 can present underwater superoleophobicity with the underwater oil contact angle (OCA) of 171.8°. The as-prepar...

2015
Yingfeng Li Meicheng Li Pengfei Fu Ruike Li Dandan Song Chao Shen Yan Zhao

Silicon nanorod based radial-junction solar cells are competitive alternatives to traditional planar silicon solar cells. In various silicon nanorods, nanocone is always considered to be better than nanowire in light-absorption. Nevertheless, we find that this notion isn't absolutely correct. Silicon nanocone is indeed significantly superior over nanowire in light-concentration due to its conti...

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