Berc Kalanyan

Works (15)

Updated: July 12th, 2023 21:19

2015 journal article

Charge Recombination Dynamics in Sensitized SnO2/TiO2 Core/Shell Photoanodes

Journal of Physical Chemistry C, 119(51), 28353–28360.

By: R. Knauf*, B. Kalanyan n, G. Parsons n  & J. Dempsey *

Contributors: R. Knauf*, B. Kalanyan n, G. Parsons n  & J. Dempsey *

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Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Inherent substrate-dependent growth initiation and selective-area atomic layer deposition of TiO2 using "water-free" metal-halide/metal alkoxide reactants

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 34(1).

By: S. Atanasov n, B. Kalanyan n & G. Parsons n 

Contributors: S. Atanasov n, B. Kalanyan n & G. Parsons n 

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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Liquid–Solid Nanofriction and Interfacial Wetting

Langmuir, 32(3), 743–750.

By: R. An n, L. Huang *, Y. Long *, B. Kalanyan n, X. Lu * & K. Gubbins n 

TL;DR: The quantitative relationship between the nanofriction coefficient and the key parameter β which governs the vertical adhesive strength, opens up an opportunity for describing liquid flows on solid surfaces at the molecular level, with implications for the development of membrane and nanofluidic devices. (via Semantic Scholar)
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Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2015 journal article

Using Hydrogen To Expand the Inherent Substrate Selectivity Window During Tungsten Atomic Layer Deposition

CHEMISTRY OF MATERIALS, 28(1), 117–126.

By: B. Kalanyan n, P. Lemaire n, S. Atanasov n, M. Ritz n & G. Parsons n 

Contributors: B. Kalanyan n, P. Lemaire n, S. Atanasov n, M. Ritz n & G. Parsons n 

Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Atomic Layer Deposition of TiO2 on Mesoporous nanolTO: Conductive Core-Shell Photoanodes for Dye-Sensitized Solar Cells

NANO LETTERS, 14(6), 3255–3261.

By: L. Alibabaei *, B. Farnum *, B. Kalanyan n, M. Brennaman *, M. Losego n, G. Parsons n , T. Meyer *

Contributors: L. Alibabaei *, B. Farnum *, B. Kalanyan n, M. Brennaman *, M. Losego n, G. Parsons n , T. Meyer *

author keywords: Dye-sensitized solar cells; core-shell structure; atomic layer deposition; tin-doped indium oxide; TiO2
TL;DR: Core-shell structures consisting of thin shells of conformal TiO2 deposited on high surface area, conductive Sn-doped In2O3 nanoparticle, and Mesoscopic films were synthesized by atomic layer deposition and studied for application in dye-sensitized solar cells show that shortcircuit current densities, open-circuit voltages, and back electron transfer lifetimes all increased with increasing TiO 2 shell thickness. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Visible Light Driven Benzyl Alcohol Dehydrogenation in a Dye-Sensitized Photoelectrosynthesis Cell

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 136(27), 9773–9779.

By: W. Song*, A. Vannucci *, B. Farnum *, A. Lapides*, M. Brennaman *, B. Kalanyan n, L. Alibabaei *, J. Concepcion * ...

Contributors: W. Song*, A. Vannucci *, B. Farnum *, A. Lapides*, M. Brennaman *, B. Kalanyan n, L. Alibabaei *, J. Concepcion * ...

TL;DR: Light-driven dehydrogenation of benzyl alcohol to benzaldehyde and hydrogen has been shown to occur in a dye-sensitized photoelectrosynthesis cell (DSPEC) and the nanoITO/TiO2 core/shell structure causes a decrease of up to 2 orders of magnitude in back electron-transfer rate compared to TiO2. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Crossing the divide between homogeneous and heterogeneous catalysis in water oxidation

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 110(52), 20918–20922.

By: A. Vannucci *, L. Alibabaei *, M. Losego n, J. Concepcion *, B. Kalanyan n, G. Parsons n , T. Meyer *

Contributors: A. Vannucci *, L. Alibabaei *, M. Losego n, J. Concepcion *, B. Kalanyan n, G. Parsons n , T. Meyer *

author keywords: electrocatalysis; surface stabilization
MeSH headings : Catalysis; Electrochemical Techniques; Electrodes; Hydrogen-Ion Concentration; Models, Chemical; Molecular Structure; Nanostructures / chemistry; Oxidation-Reduction; Surface Properties; Tin Compounds / chemistry; Titanium / chemistry; Water / chemistry
TL;DR: Enhanced surface binding stability of a phosphonate-derivatized water oxidation catalyst over a wide pH range (1–12) by atomic layer deposition of an overlayer of TiO2 provides a hybrid approach to heterogeneous catalysis. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Highly Conductive and Flexible Nylon-6 Nonwoven Fiber Mats Formed using Tungsten Atomic Layer Deposition

ACS Applied Materials & Interfaces, 5(11), 5253–5259.

By: B. Kalanyan n, C. Oldham n, W. Sweet n & G. Parsons n 

Contributors: B. Kalanyan n, C. Oldham n, W. Sweet n & G. Parsons n 

author keywords: tungsten; atomic layer deposition; conductive fibers; flexible electronics; nonwovens
MeSH headings : Aluminum Oxide / chemistry; Biosensing Techniques / methods; Caprolactam / analogs & derivatives; Caprolactam / chemistry; Electric Conductivity; Electronics, Medical / methods; Microscopy, Electron, Transmission; Nanofibers / chemistry; Polymers / chemistry; Textiles; Tungsten / chemistry
TL;DR: It is found that an alumina nucleation layer, reactant exposure, and deposition temperature all influence the rate of W mass uptake on 3D fibers, and film growth rate is calibrated using high surface area anodic aluminum oxide. (via Semantic Scholar)
Sources: Web Of Science, Crossref, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Low-Temperature Atomic Layer Deposition of Tungsten using Tungsten Hexafluoride and Highly-diluted Silane in Argon

CHEMICAL VAPOR DEPOSITION, 19(4-6), 161–166.

By: B. Kalanyan n, M. Losego n, C. Oldham n & G. Parsons n 

Contributors: B. Kalanyan n, M. Losego n, C. Oldham n & G. Parsons n 

author keywords: Aluminum oxide; Atomic layer deposition; Process safety; Silane; Tungsten
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Solar water splitting in a molecular photoelectrochemical cell

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 110(50), 20008–20013.

By: L. Alibabaei *, M. Brennaman *, M. Norris *, B. Kalanyan n, W. Song*, M. Losego n, J. Concepcion *, R. Binstead*, G. Parsons n , T. Meyer *

Contributors: L. Alibabaei *, M. Brennaman *, M. Norris *, B. Kalanyan n, W. Song*, M. Losego n, J. Concepcion *, R. Binstead*, G. Parsons n , T. Meyer *

MeSH headings : Catalysis; Electrochemical Techniques / methods; Light; Models, Chemical; Photochemical Processes; Solar Energy; Time Factors; Titanium / chemistry; Water / chemistry
TL;DR: A hybrid strategy for solar water splitting based on a dye sensitized photoelectrosynthesis cell using a derivatized, core–shell nanostructured photoanode with the core a high surface area conductive metal oxide film––indium tin oxide or antimony tin oxide––coated with a thin outer shell of TiO2 formed by atomic layer deposition. (via Semantic Scholar)
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Solution-Processed, Antimony-Doped Tin Oxide Colloid Films Enable High-Performance TiO2 Photoanodes for Water Splitting

NANO LETTERS, 13(4), 1481–1488.

By: Q. Peng *, B. Kalanyan n, P. Hoertz*, A. Miller *, D. Kim n, K. Hanson *, L. Alibabaei *, J. Liu * ...

Contributors: Q. Peng *, B. Kalanyan n, P. Hoertz*, A. Miller *, D. Kim n, K. Hanson *, L. Alibabaei *, J. Liu * ...

author keywords: Photoelectrochemical; water splitting; antimony-doped tin oxide; TiO2; core-shell
MeSH headings : Colloids / chemistry; Electrochemistry / methods; Electrodes; Nanoparticles / chemistry; Solar Energy; Tin Compounds / chemistry; Titanium / chemistry; Water / chemistry
TL;DR: Transient photocurrent measurements showed that nanoATO films reduce charge recombination by accelerating transport of photoelectrons through the less defined conductive porous nano ATO network, promising as a framework to replace other conductive scaffolds for PEC electrodes. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Stabilizing Small Molecules on Metal Oxide Surfaces Using Atomic Layer Deposition

NANO LETTERS, 13(10), 4802–4809.

By: K. Hanson *, M. Losego n, B. Kalanyan n, G. Parsons n  & T. Meyer *

Contributors: K. Hanson *, M. Losego n, B. Kalanyan n, G. Parsons n  & T. Meyer *

author keywords: Dye-sensitized; stability; atomic layer deposition; photoelectrochemical cell; water splitting; electron transfer
MeSH headings : Catalysis; Electric Power Supplies; Electron Transport; Oxidation-Reduction; Solar Energy; Titanium / chemistry; Water / chemistry
TL;DR: The combination of decreased injection yield and 95% quenched emission suggests that the ALD TiO2 overlayer acts as a competitive electron acceptor from RuP*, effectively nonproductively quenching the excited state. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Three-dimensional self-assembled photonic crystals with high temperature stability for thermal emission modification

NATURE COMMUNICATIONS, 4.

By: K. Arpin *, M. Losego n, A. Cloud*, H. Ning *, J. Mallek*, N. Sergeant*, L. Zhu *, Z. Yu * ...

Contributors: K. Arpin *, M. Losego n, A. Cloud*, H. Ning *, J. Mallek*, N. Sergeant*, L. Zhu *, Z. Yu * ...

TL;DR: Self-assembled templates are utilized to fabricate high-quality tungsten photonic crystals that demonstrate unprecedented thermal stability up to at least 1,400 °C and modified thermal emission at solar thermophotovoltaic operating temperatures, and comparable thermal and optical results are obtained using a photonic crystal comprising a previously unstudied material, hafnium diboride. (via Semantic Scholar)
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Stabilization of [Ru(bpy)(2)(4,4 '-(PO3H2)bpy)](2+) on Mesoporous TiO2 with Atomic Layer Deposition of Al2O3

CHEMISTRY OF MATERIALS, 25(1), 3–5.

By: K. Hanson *, M. Losego n, B. Kalanyan n, D. Ashford *, G. Parsons n  & T. Meyer *

Contributors: K. Hanson *, M. Losego n, B. Kalanyan n, D. Ashford *, G. Parsons n  & T. Meyer *

author keywords: stability; dye-sensitized; atomic layer deposition (ALD); TiO2; Al2O3
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Stable anatase TiO2 coating on quartz fibers by atomic layer deposition for photoactive light-scattering in dye-sensitized solar cells

NANOSCALE, 4(15), 4731–4738.

By: D. Kim n, H. Koo n, J. Jur n, M. Woodroof n, B. Kalanyan n, K. Lee n, C. Devine n, G. Parsons n 

Contributors: D. Kim n, H. Koo n, J. Jur n, M. Woodroof n, B. Kalanyan n, K. Lee n, C. Devine n, G. Parsons n 

TL;DR: Results confirm that annealing at high temperature is necessary for better photoactivity of ALD TiO(2), which highlights the significance of quartz fibers as a substrate. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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