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相关论文: Exploring yttrium doped C$_{24}$ fullerene as a hi…

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Using first-principles density functional theory simulations, we have observed that the scandium decorated C$_{24}$ fullerene can adsorb up to six hydrogen molecules with an average adsorption energy of -0.35 eV per H$_2$ and average…

材料科学 · 物理学 2021-11-05 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

Expanding pollution and rapid consumption of natural reservoirs (gas, oil, and coal) led humankind to explore alternative energy fuels like hydrogen fuel. Solid-state hydrogen storage is most desirable because of its usefulness in the…

材料科学 · 物理学 2022-07-19 Mukesh Singh , Alok Shukla , Brahmananda Charkraborty

This work reports the hydrogen storage, and delivery capacities of Sc and Y functionalized [1,1]paracyclophane using dispersion corrected density functional theory calculations. The Sc and Y atoms are bind strongly with benzene rings of…

化学物理 · 物理学 2022-03-01 Rakesh K. Sahoo , P. Kour , Sridhar Sahu

We have investigated the hydrogen storage capabilities of scandium decorated holey graphyne, a recently synthesized carbon allotrope, by applying density functional theory and molecular dynamics simulations. We have observed that one unit…

材料科学 · 物理学 2022-02-11 Vikram Mahamiya , Alok Shukla , Nandini Garg , Brahmananda Chakraborty

By applying density functional theory (DFT) and ab-initio molecular dynamics (AIMD) simulations, we predict the ultrahigh hydrogen storage capacity of K and Ca decorated single-layer biphenylene sheet (BPS). We have kept various alkali and…

材料科学 · 物理学 2022-02-25 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

Burning fossil fuels emits a significant amount of CO2, causing climate change concerns. CO2 Capture and Storage (CCS) aims to reduce emissions, with fullerenes showing promise as CO2 adsorbents. Recent research focuses on modifying…

We have found that a beryllium (Be) atom on nanostructured materials with H2 molecules generates a Kubas-like dihydrogen complex [H. Lee et al. arXiv:1002.2247v1 (2010)]. Here, we investigate the feasibility of Be-decorated fullerenes for…

材料科学 · 物理学 2015-05-18 Hoonkyung Lee , Bing Huang , Wenhui Duan , Jisoon Ihm

Hydrogen is a promising element for applications in new energy sources like fuel cells. One key issue for such applications is storing hydrogen. And, to improve storage capacity, understanding the interaction mechanism between hydrogen and…

First principles based DFT calculations performed to insight structural and electronic properties of Boron doped Magnesium atom decorated graphene sheet for application of hydrogen storage. The four H2 molecules stably binds magnesium atom…

材料科学 · 物理学 2020-03-31 Baliram Lone

The increase in threats from global warming due to the consumption of fossil fuels requires our planet to adopt new strategies to harness the inexhaustible sources of energy. Hydrogen is an energy carrier which holds tremendous promise as a…

材料科学 · 物理学 2011-06-23 N. S. Venkataramanan , A. Suvitha , H. Mizuseki , Y. Kawazoe

Density functional theory $(DFT)$ studies show that doping of $3d TM$ atoms into $Mg_4^{0,+} (TMMg_3^{0,+})$ can alter the endothermic nature of molecular hydrogen adsorption on bare $Mg_4^{0,+}$. $H_2$ adsorption on $TMMg_3^{0,+}$ clusters…

材料科学 · 物理学 2021-12-21 Bishwajit Boruah , Bulumoni Kalita

Sorbent materials, such as graphene-based systems coated with Cr, are being investigated as potential hydrogen storage materials. Graphene, a 2D material with a high surface-to-volume ratio, has been employed. A comparison is conducted…

材料科学 · 物理学 2025-07-30 Pratyasha Tripathy , Hetvi Jadav , Himanshu Pandey

The energy demands for the growing development of society need to be catered with alternative and green fuels like hydrogen energy for a lasting and sustainable culture. One essential component of the hydrogen economy is the efficiency of…

材料科学 · 物理学 2023-03-07 Mukesh Singh , Alok Shukla , Brahmananda Chakraborty

Holey graphyne (HGY), a novel 2D single-crystalline carbon allotrope, was synthesized most recently by Castro-Stephens coupling reaction. The natural existing uniform periodic holes in the 2D carbon-carbon network demonstrate its tremendous…

应用物理 · 物理学 2020-04-07 Yan Gao , Huanian Zhang , Hongzhe Pan , Qingfang Li , Haifeng Wang , Jijun Zhao

Dispersion corrected density functional theory ($\omega$B97X-D DFT) method is used to study the molecular hydrogen adsorption in $Ni_nMg_m$ $(1\geq n\geq 3,1\geq m\geq9)$ clusters. All these clusters can effectively adsorb multiple $H_2$ in…

材料科学 · 物理学 2022-02-28 Bishwajit Boruah , Bulumoni Kalita

This article presents the reversible hydrogen storage capacities of Li-decorated Si6C14 and Si8C12 using Density Functional Theory (DFT). The chemical stabilities of the designed Si6C14Li6 and Si8C12Li4 nanocages are investigated using…

材料科学 · 物理学 2024-07-24 Ankita Jaiswal , Rakesh K. Sahoo , Sridhar Sahu

A promising material for hydrogen storage at room temperature-Al doped graphene was proposed theoretically by using density functional theory calculation. Hydrogen storage capacity of 5.13 wt% was predicted at T = 300 K and P = 0.1 Gpa with…

材料科学 · 物理学 2009-11-13 Z. M. Ao , Q. Jiang , R. Q. Zhang , T. T. Tan , S. Li

In this work, we investigate the hydrogen-storage properties of Zr-decorated $\gamma$-graphyne monolayer employing Density Functional Theory (DFT) for green energy storage. We predict that each Zr atom decorated on graphyne sheet (2D) can…

材料科学 · 物理学 2023-12-29 Mukesh Singh , Alok Shukla , Brahmananda Chakraborty

The development of reversible hydrogen storage materials has become crucial for enabling carbon-neutral energy systems. Based on this, the present work investigates the hydrogen storage on the sodium-decorated P-C$_3$N (Na@P-C$_3$N), a…

The adsorption/desorption of ethene (C2H4), also commonly known as ethylene, on Fe3O4(001) was studied under ultrahigh vacuum conditions using temperature programmed desorption (TPD), scanning tunneling microscopy, x-ray photoelectron…

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