Výsledky vyhľadávania - "Harutyunyan, Avetik"

Carbothermal Shock Synthesis of High Entropy Oxide Catalysts: Dynamic Structural and Chemical Reconstruction Boosting the Catalytic Activity and Stability toward Oxygen Evolution Reaction Autor Abdelhafiz, Ali, Wang, Baoming, Harutyunyan, Avetik R., Li, Ju

“…Mixed transition‐metals (TM) based catalysts have shown huge promise for water splitting. Conventional synthesis of nanomaterials is strongly constrained by…”
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Observation of Rapid Exciton–Exciton Annihilation in Monolayer Molybdenum Disulfide Autor Sun, Dezheng, Rao, Yi, Reider, Georg A, Chen, Gugang, You, Yumeng, Brézin, Louis, Harutyunyan, Avetik R, Heinz, Tony F

“…Monolayer MoS2 is a direct-gap two-dimensional semiconductor that exhibits strong electron–hole interactions, leading to the formation of stable excitons and…”
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Feasibility of Lithium Storage on Graphene and Its Derivatives Autor Liu, Yuanyue, Artyukhov, Vasilii I, Liu, Mingjie, Harutyunyan, Avetik R, Yakobson, Boris I

“…Nanomaterials are anticipated to be promising storage media, owing to their high surface-to-mass ratio. The high hydrogen capacity achieved by using graphene…”
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Exfoliation of a non-van der Waals material from iron ore hematite Autor Puthirath Balan, Aravind, Radhakrishnan, Sruthi, Woellner, Cristiano F, Sinha, Shyam K, Deng, Liangzi, Reyes, Carlos de Los, Rao, Banki Manmadha, Paulose, Maggie, Neupane, Ram, Apte, Amey, Kochat, Vidya, Vajtai, Robert, Harutyunyan, Avetik R, Chu, Ching-Wu, Costin, Gelu, Galvao, Douglas S, Martí, Angel A, van Aken, Peter A, Varghese, Oomman K, Tiwary, Chandra Sekhar, Malie Madom Ramaswamy Iyer, Anantharaman, Ajayan, Pulickel M

“…With the advent of graphene, the most studied of all two-dimensional materials, many inorganic analogues have been synthesized and are being exploited for…”
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Dislocation theory of chirality-controlled nanotube growth Autor Ding, Feng, Harutyunyan, Avetik R, Yakobson, Boris I

“…The periodic makeup of carbon nanotubes suggests that their formation should obey the principles established for crystals. Nevertheless, this important…”
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The Critical Role of Electrolyte Gating on the Hydrogen Evolution Performance of Monolayer MoS2 Autor Liu, Xiangye, Li, Baichang, Li, Xufan, Harutyunyan, Avetik R, Hone, James, Esposito, Daniel V

“…According to density functional theory, monolayer (ML) MoS2 is predicted to possess electrocatalytic activity for the hydrogen evolution reaction (HER) that…”
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Herzberg-Teller Effect on the Vibrationally Resolved Absorption Spectra of Single-Crystalline Pentacene at Finite Temperatures Autor Qian, Yuqin, Li, Xia, Harutyunyan, Avetik R, Chen, Gugang, Rao, Yi, Chen, Hanning

“…The line shape of an electronic spectrum conveys the coupling between electronic and vibrational degrees of freedom. In the present study, the light absorption…”
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Dynamics of the triplet-pair state reveals the likely coexistence of coherent and incoherent singlet fission in crystalline hexacene Autor Monahan, Nicholas R., Sun, Dezheng, Tamura, Hiroyuki, Williams, Kristopher W., Xu, Bolei, Zhong, Yu, Kumar, Bharat, Nuckolls, Colin, Harutyunyan, Avetik R., Chen, Gugang, Dai, Hai-Lung, Beljonne, David, Rao, Yi, Zhu, X.-Y.

“…The absorption of a photon usually creates a singlet exciton (S 1 ) in molecular systems, but in some cases S 1 may split into two triplets (2×T 1 ) in a…”
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Enhanced gas sensing in pristine carbon nanotubes under continuous ultraviolet light illumination Autor Chen, Gugang, Paronyan, Tereza M., Pigos, Elena M., Harutyunyan, Avetik R.

“…The advance of nanomaterials has opened new opportunities to develop ever more sensitive sensors owing to their high surface-to-volume ratio. However, it is…”
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Ultrasensitive gas detection of large-area boron-doped graphene Autor Lv, Ruitao, Chen, Gugang, Li, Qing, McCreary, Amber, Botello-Méndez, Andrés, Morozov, S V, Liang, Liangbo, Declerck, Xavier, Perea-López, Nestor, Cullen, David A, Feng, Simin, Elías, Ana Laura, Cruz-Silva, Rodolfo, Fujisawa, Kazunori, Endo, Morinobu, Kang, Feiyu, Charlier, Jean-Christophe, Meunier, Vincent, Pan, Minghu, Harutyunyan, Avetik R, Novoselov, Konstantin S, Terrones, Mauricio

“…Heteroatom doping is an efficient way to modify the chemical and electronic properties of graphene. In particular, boron doping is expected to induce a p-type…”
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Width-dependent continuous growth of atomically thin quantum nanoribbons from nanoalloy seeds in chalcogen vapor Autor Li, Xufan, Wyss, Samuel, Yanev, Emanuil, Li, Qing-Jie, Wu, Shuang, Sun, Yongwen, Unocic, Raymond R., Stage, Joseph, Strasbourg, Matthew, Sassi, Lucas M., Zhu, Yingxin, Li, Ju, Yang, Yang, Hone, James, Borys, Nicholas, Schuck, P. James, Harutyunyan, Avetik R.

“…Nanoribbons (NRs) of atomic layer transition metal dichalcogenides (TMDs) can boost the rapidly emerging field of quantum materials owing to their…”
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Symmetry-Breaking Enhanced Herzberg-Teller Effect with Brominated Polyacenes Autor Qian, Yuqin, Zhang, Tong, Han, Jian, Harutyunyan, Avetik R, Chen, Gugang, Rao, Yi, Chen, Hanning

“…Molecular symmetry is vital to the selection rule of vibrationally resolved electronic transition, particularly when the nuclear dependence of electronic wave…”
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Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides Autor Li, Xufan, Kahn, Ethan, Chen, Gugang, Sang, Xiahan, Lei, Jincheng, Passarello, Donata, Oyedele, Akinola D, Zakhidov, Dante, Chen, Kai-Wen, Chen, Yu-Xun, Hsieh, Shang-Hsien, Fujisawa, Kazunori, Unocic, Raymond R, Xiao, Kai, Salleo, Alberto, Toney, Michael F, Chen, Chia-Hao, Kaxiras, Efthimios, Terrones, Mauricio, Yakobson, Boris I, Harutyunyan, Avetik R

“…The role of additives in facilitating the growth of conventional semiconducting thin films is well-established. Apparently, their presence is also decisive in…”
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Singlet Fission Driven by Anisotropic Vibronic Coupling in Single-Crystalline Pentacene Autor Deng, Gang-Hua, Qian, Yuqin, Li, Xia, Zhang, Tong, Jiang, Wei, Harutyunyan, Avetik R, Chen, Gugang, Chen, Hanning, Rao, Yi

“…Vibronic coupling is believed to play an important role in siglet fission, wherein a photoexcited singlet exciton is converted into two triplet excitons. In…”
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Formation of Ripples in Graphene as a Result of Interfacial Instabilities Autor Paronyan, Tereza M, Pigos, Elena M, Chen, Gugang, Harutyunyan, Avetik R

“…Formation of ripples on a supported graphene sheet involves interfacial interaction with the substrate. In this work, graphene was grown on a copper foil by…”
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Preferential growth of single-walled carbon nanotubes with metallic conductivity Autor Harutyunyan, Avetik R, Chen, Gugang, Paronyan, Tereza M, Pigos, Elena M, Kuznetsov, Oleg A, Hewaparakrama, Kapila, Kim, Seung Min, Zakharov, Dmitri, Stach, Eric A, Sumanasekera, Gamini U

“…Single-walled carbon nanotubes can be classified as either metallic or semiconducting, depending on their conductivity, which is determined by their chirality…”
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Pulsed Light Synthesis of High Entropy Nanocatalysts with Enhanced Catalytic Activity and Prolonged Stability for Oxygen Evolution Reaction Autor Abdelhafiz, Ali, Tanvir, A. N. M., Zeng, Minxiang, Wang, Baoming, Ren, Zhichu, Harutyunyan, Avetik R., Zhang, Yanliang, Li, Ju

“…The ability to synthesize compositionally complex nanostructures rapidly is a key to high‐throughput functional materials discovery. In addition to being…”
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Anisotropic Geminate and Non-Geminate Recombination of Triplet Excitons in Singlet Fission of Single Crystalline Hexacene Autor Han, Jian, Xie, Qing, Luo, Jun, Deng, Gang-Hua, Qian, Yuqin, Sun, Dezheng, Harutyunyan, Avetik R, Chen, Gugang, Rao, Yi

“…Singlet fission is believed to improve the efficiency of solar energy conversion by breaking up the Shockley-Queisser thermodynamic limit. Understanding of…”
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Intrinsic Chirality Origination in Carbon Nanotubes Autor Pierce, Neal, Chen, Gugang, P. Rajukumar, Lakshmy, Chou, Nam Hawn, Koh, Ai Leen, Sinclair, Robert, Maruyama, Shigeo, Terrones, Mauricio, Harutyunyan, Avetik R

“…Elucidating the origin of carbon nanotube chirality is key for realizing their untapped potential. Currently, prevalent theories suggest that catalyst…”
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The Critical Role of Electrolyte Gating on the Hydrogen Evolution Performance of Monolayer MoS 2 Autor Liu, Xiangye, Li, Baichang, Li, Xufan, Harutyunyan, Avetik R., Hone, James, Esposito, Daniel V.

“…According to density functional theory, monolayer (ML) MoS is predicted to possess electrocatalytic activity for the hydrogen evolution reaction (HER) that…”
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