Dr. Zain Yamani Dr. Muhammad Ramzan Ashraf Dr. Muhammad ... Safar 1440 Newsl… · Zain Hassan...

KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

http://www.kfupm.edu.sa/cent

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"Solvothermal Synthesis of Molybdenum–Tungsten Oxides and Their Application

for Photoelectrochemical Water Splitting," D. Spetter, M.N. Tahir*, J. Hilgert, I.

Khan, A. Qurashi, H. Lu, T. Weidner, W. Tremel*, ACS Sustainable Chemistry &

Engineering, 2018, 6 (10), pp 12641–12649. . . . Page 4

“Interconnected Hollow Cobalt Phosphide Grown on Carbon Nanotubes for

Hydrogen Evolution Reaction” Adam A, Suliman MH, Siddiqui MN, Yamani ZH,

Merzougui, Qamar M*. ACS Applied Materials and Interfaces, 2018, 10 (35), pp

29407–29416. . . . Page 5

“Facile Hydrogenation of N-heteroarenes by Magnetic Nanoparticles Supported

Sub-Nanometric Rh Catalysts in Aqueous Medium,” M. Nasiruzzaman Shaikh*,

Md. Abdul Aziz, Abdul Nasar Kalanthoden, Aasif Helal, Abbas S. Hakeem and

Mohamed Bououdina, Catalyst Science and Technology, 2018,8, 4709-4717.

. . . Page 6

Newsletter, Safar 1440

The Center of Research Excellence in Nanotechnology is pleased

to announce the arrival of its new micro fixed bed reactor procured

from PID Eng and Tech.

. . . details on page 2

CENT is pleased to announce the promotion of the Center

Director, Dr. Zain Yamani, and CENT affiliates Dr. Muhammad

Ramzan Ashraf of Chemistry Department and Dr. Muhammad

Baseer Haider of Physics Department.


Three new patents US10023813, US10024864 and US9994713

have been granted to researchers affiliated with the Center of

Excellence in Nanotechnology.


For comments, contact Dr. Abdulrahman Faisal Al-Betar +966 13 8607348, [email protected]

http://www.kfupm.edu.sa/cent

The Center for Research Excellence in

Nanotechnology received a new fixed bed reactor procured

from PID Engineering and Technology. It is to be used to test

rationally designed nano-catalyst synthesized in–house,

especially catalyst for methanol to olefin and methane to olefin

production. The new reactor is part of an ongoing research

project in collaboration with SABIC.

NEW EQUIPMENT

We congratulate Dr. Muhammad Baseer Haider of Physics Department

for his excellent effort and efficient promotion to the rank of Associate

Professor. We congratulate him and wish him all success in his future

endeavors.

PROMOTION OF DR. MUHAMMAD BASEER HAIDER

Mr. Galal Nasser joined the Center of Research Excellence in

Nanotechnology as a Research Assistant.

NEW CENT MEMBERS

Dr. Zain Yamani, CENT Director and Faculty member of Physics

Department, has been promoted to the rank of Full Professor in

Physics Department. We congratulate him and wish him all success in

his future endeavors.

PROMOTION OF CENT DIRECTOR, DR. ZAIN YAMANI

CENT congratulates Dr. Ashraf of Chemistry Department for the

excellent effort and efficient promotion to the rank of Associate

Professor of Physical Chemistry right after two years of his service at

Chemistry department. We wish him all success in his future endeavors.

PROMOTION OF DR. MUHAMMAD RAMZAN ASHRAF

Congratulations to Dr. Tawfik Saleh, CENT affiliate and Associate

Professor in the Chemistry Department, on his recent distinguished

achievement being named as a Highly Cited Researcher in 2018.

2018 HIGHLY CITED RESEARCHER

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Dr. Alaaldin Adam joined the Center of Excellence in Nanotechnology,

KFUPM as a post-doctoral fellow.



NEW PATENTS

US PATENT, US 9994713

FLUORESCENT SCHIFF BASE CONJUGATE CU(II) CHEMOSENSORS AND METHODS THEREOFAasif Helal

Type: Grant

Filed: March 28, 2016

Date of Patent: June 12, 2018

Abstract:

Fluorescent Schiff base compounds comprising a xanthene dye based moiety and an alkyl imidazole

moiety. Methods of assessing these fluorescent Schiff base compounds as fluorescent probes for

metal ions in Cu2+ chemosensing applications, methods of preparing the fluorescent Schiff base

compounds and methods of detecting Cu2+ ions with the same are also provided.

US Patent No 10023813

PROCESS FOR SELECTIVE DEEP HYDRODESULFURIZATION OF A HYDROCARBON

FEEDSTOCK USING AN UNSUPPORTED NANOCATALYST MADE BY LASER

PYROLYSIS

Zain Hassan Yamani, Nouar Tabet, Syed Ahmed Ali, Yann Leconte, Frederic Schuster, Axelle Quinsac

Type: Grant

Filed: June 23, 2016

Date of Patent: July 17, 2018

Abstract:

A process for producing an unsupported molybdenum sulfide nanocatalyst comprising atomizing a

molybdenum oxide solution to form a molybdenum oxide aerosol, pyrolyzing the molybdenum oxide

aerosol with a laser beam to form the unsupported molybdenum-based nanocatalyst, and pre-sulfiding

at least a portion of the unsupported molybdenum-based nanocatalyst to form an unsupported

molybdenum sulfide nanocatalyst, wherein the unsupported molybdenum-based nanocatalyst, the

unsupported molybdenum sulfide catalyst or both are in the form of nanoparticles with a diameter of

1-10 nm and in a distorted rutile crystalline structure. A method of selective deep hydrodesulfurization

whereby a hydrocarbon feedstock having at least one sulfur-containing component and at least one

hydrocarbon is contacted with the unsupported molybdenum sulfide nanocatalyst.

US Patent No 10024864

FUNCTIONALIZED GOLD NANOPARTICLES AND METHODS THEREOF

Mohammed Nasiruzzaman Shaikh, Aasif Helal, Abiola Azeez Jimoh

Type: Grant

Filed: November 10, 2015

Date of Patent: July 17, 2018

Abstract:

Gold nanoparticles functionalized with thiolated, bidentate Schiff base ligands. The Schiff base

ligands form a ligand monolayer surrounding and binding to the surface of a gold nanoparticle core

through Au—S linkages. The functionalized gold nanoparticle composites have a spherical shape, an

average diameter of 7-15 nm and a narrow particle size distribution. Methods of assessing these

functionalized gold nanoparticle composites as fluorescent probes in Fe(III) chemosensing

applications, methods of preparing the functionalized gold nanoparticle composites and methods of

detecting Fe(III) ions with the same are also provided.

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Solvothermal Synthesis of Molybdenum–Tungsten Oxides and Their Application for Photoelectrochemical Water Splitting

Molybdenum and tungsten oxides are of interest as semiconductors for the

production of clean and sustainable energy. Here we show that synergistic effects

arising from a combination of non-crystallinity and plasmonic resonance in mixed

molybdenum/tungsten oxides can lead to improved efficiency for the photo-

electrochemical (PEC) splitting of water. The quasi-binary Mo/W oxides were

synthesized solvothermally on a gram scale. Size, structure, morphology, and

electronic properties of the as-prepared microspheres were characterized by

scanning and transmission electron microscopy (SEM, TEM), X-ray diffraction (XRD),

Raman, optical absorption (UV–vis), and X-ray photoelectron spectroscopy (XPS).

Molybdenum oxide benefits from W-substitution and the concomitant metal

reduction. The increased number of charge carriers leads to higher photocurrents

for Mo0.5W0.5O2.1 (5.25 mA cm–2), the most reduced phase compared to

Mo0.89W0.11O2.7 (1.75 mA cm–2). Long-term photocurrent stability tests (2000 s)

under photo illumination confirmed the chemical stability of Mo/W oxides under

sunlight. The improved PEC performance is attributed to the synergistic effect of

increased charge carrier concentration due to metal reduction, suppressing the

formation of crystalline metallic oxides through disorder, and tuning the absorption

in the visible and near-IR range by the formation of W5+ and Mo5+ sites.

ACS Sustainable Chemical Engineering, 2018, 6 (10), pp 12641–12649DOI: 10.1021/acssuschemeng.8b01370

Abstract

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D. Spetter, M.N. Tahir, J. Hilgert, I. Khan, A. Qurashi, H. Lu, T. Weidner, W. Tremel,



Interconnected Hollow Cobalt Phosphide Grown on Carbon Nanotubes for Hydrogen Evolution Reaction

Transition-metal phosphides are deemed as potential alternative to platinum for

large-scale and sustainable electrocatalytic hydrogen production from water. In

this study, facile preparation of interconnected hollow cobalt monophosphide

(CoP) supported on carbon nanotubes is demonstrated and evaluated as a low-

cost electrocatalyst for hydrogen evolution reaction. Hexamethylenetetramine is

used as a structure-directing agent to guide the formation of interconnected

cobalt oxide, which further grows into interconnected hollow CoP. Interconnected

and hollow microstructural artifacts impart benign attributes, such as enhanced

specific and electrochemically active surface area, low intrinsic charge transfer

resistance, high interfacial charge transfer kinetics, and improved mass transport

to the electrocatalyst. As a result, the as-prepared electrode exhibits remarkable

electrocatalytic performance, low onset (18 mV) and overpotential (η10 = 73 mV);

small Tafel slope (54.6 mV dec–1); and high turnover frequency (0.58 s–1 at η = 73

mV). In addition, the electrode shows excellent electrochemical stability.

ACS Applied Materials and Interfaces, 2018, 10 (35), pp 29407–29416DOI: 10.1021/acsami.8b03427

Abstract

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Adam A, Suliman MH, Siddiqui MN, Yamani ZH, Merzougui B, Qamar M*


NaPO2H2

350 C/ Ar

H2

Hollow and interconnected

CoP

N

N NN

N

N NN

Co2+

H2O

H2O H2O

H2ON

N NN

N

N NN

Co2+

H2O

H2O H2O

H2O

N

N NN

N

N NN

Co2+

H2O

H2O H2O

H2O

H2O

CoP

N

N NN

N

N NN

Co2+

H2O

H2O H2O

H2O


Facile hydrogenation of N-heteroarenes by magnetic nanoparticles supported sub-nanometric Rh catalysts in aqueous medium

The hydrogenation of nitrogen-containing heterocyclic precursors in aqueous medium

at low temperature without imposing molecular hydrogen pressure is quite

challenging. Herein, we report the synthesis and performance of a novel catalyst

capable of facile hydrogenation (employing tetrahydroxydiboron (THDB) as the

reductant) of N-heteroarenes in water at 80 °C with good recyclability. Rhodium

particles in the sub-nano range (<1 nm) were produced by in situ reduction of a Rh

precursor on freshly prepared superparamagnetic iron oxide nanoparticles (SPIONs,

Fe3O4), using aqueous ammonia as a reducing agent at 50 °C. HRTEM and elemental

mapping images reveal a homogeneous distribution of <1 nm Rh particles within the

matrix of Fe3O4 nanoparticles having an average size within a narrow range of 7–9 nm.

The superparamagnetic nature of the composite was confirmed by VSM analysis. The

Rh@Fe3O4 catalyst was found to be highly efficient in the heterogeneous

hydrogenation of nitrogen-containing heterocyclic compounds with quantitative

conversion. It showed selectivity towards the hydrogenation of 1,2,3,4-

tetrahydroquinoline (py-THQ) in water using THDB with a high TOF of 1632 h−1. These

results are compared with the conversion and selectivity data obtained from

reduction with molecular hydrogen gas pressure. The catalytic activity is extended to

the successful hydrogenation of simple aromatics like benzene, toluene etc. Isotopic

labelling studies were performed to determine the source of hydrogen in quinoline

Catalyst Science and Technology, 2018,8, 4709-4717DOI: 10.1039/C8CY00936H

Abstract

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M. Nasiruzzaman Shaikh, Md. Abdul Aziz, Abdul Nasar Kalanthoden, Aasif Helal, Abbas S. Hakeem , Mohamed Bououdina

hydrogenation in the presence of THDB. It

was found that it could be used for 16

consecutive cycles with gaseous

hydrogen,without any undesired by-

products; it also retained its original

crystallinity.



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Methanol: A Review,“ Abul Lais M.A. Gondal M.A. Dastageer F.F. Al‐Adel, InternationalJournal Of Energy Research, Vol. 42, Issue (6), 2018, Pp: 2031-2049.

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"Hydrocracking Catalysts Based On Hierarchical Zeolites: A Recent Progress," A. Galadima, O.Muraza, Journal Of Industrial And Engineering Chemistry, Vol. 61, Issue, 2018, Pp: 265-280.

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"Emissive Lead(ii) Benzenedicarboxylate Metal-organic Frameworks," A.M.P. Peedikakkal, M.Qamar, Journal Of Chemical Sciences, Vol. 130, Issue (5), 2018, Pp: 45.

"Aerosol-assisted Chemical Vapor Deposition Of Silver Thin Film Electrodes For ElectrochemicalDetection Of 2-nitrophenol," M.A. Ehsan, M.A. Aziz, A. Rehman, A.S. Hakeem, M.A.A. Qasem,S.H.A. Ahmad, Journal Of The Electrochemical Society, Vol. 165, Issue (7), 2018, Pp: B302-b309.

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"Comparative Study Of Pure G-c3n4 And Sulfur-doped G-c3n4 Catalyst Performance In Photo-degradation Of Persistent Pollutant Under Visible Light," G. Liu, X. Qiao, M.A. Gondal, Y. Liu, K.Shen, Q. Xu, Journal Of Nanoscience And Nanotechnology, Vol. 18, Issue (6), 2018, Pp: 4142-4154.

"Effects Of Oxidizing Media On The Composition, Morphology And Optical Properties OfColloidal Zirconium Oxide Nanoparticles Synthesized Via Pulsed Laser Ablation In LiquidTechnique," M.A. Gondal, T.A. Fasasi, U. Baig, A. Mekki, Journal Of Nanoscience AndNanotechnology, Vol. 18, Issue (6), 2018, Pp: 4030-4039.

"Weatherability Of Conventional Composites And Nanocomposites Of Pvc And Rutile TitaniumDioxide," H.R. Halim, N.S. Mohammad, A.A. L., M. Younas, S. Hussain, Polymer Composites,Vol. 39, Issue (6), 2018, Pp: 2135-2141.

"The Effect Of Impingement Velocity And Angle Variation On The Erosion CorrosionPerformance Of Api 5l-x65 Carbon Steel In A Flow Loop," I.U. Toor, H.M. Irshad, H.M. {Adnan,2018 #67}badr, M.A. Samad, Metals, Vol. 8, Issue (6), 2018, Pp: 15.

"Co-gasification Of Indonesian Coal And Microalgae-a Thermodynamic Study And PerformanceEvaluation," M.A. Adnan, M.M. Hossain, Chemical Engineering Process., Vol. 128, Issue, 2018,Pp: 1-9.

"Gasification Performance Of Various Microalgae Biomass – A Thermodynamic Study ByConsidering Tar Formation Using Aspen Plus," M.A. Adnan, M.M. Hossain, Energy ConversionAnd Management, Vol. 165, Issue, 2018, Pp: 783-793.

"Highly Enhanced Visible Light Photocatalytic Performance of BiOCl/X (X = Br, I) Nanocompositeswith Controllable-Exposed {001} Facets," Z.H. Yamani, Jouranal of Nanoscience.Nanotechnology., Vol. 18, issue (7), 2018, pp: 4643-4650.

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“Guest Extraction Of Heavy Metal Ions With P-t-butylcalix[8]arene From Ammonia Or AmineSolutions," M.H. Zahir, S. Chowdhury, M. Abdul Aziz, M.M. Rahman, International Journal OfAnalytical Chemistry, Vol. 2018, Issue, 2018, Pp: 11.

"Room-temperature Detection Of Hydrogen By Platinum-decorated Tin Oxide Thin FilmsAugmented By Heat-treatment," Q.A. Drmosh, Z.H. Yamani, A.K. Mohamedkhair, A.H.Y. Hendi,A. Ibrahim, Vacuum, Volume 156, October 2018, Pages 68-77..

“Performance Enhancement Of Dye-sensitized Solar Cells Via Cosensitization Of Ruthenizer Z907And Organic Sensitizer SQ2M” Younas, M.A. Gondal,U. Mehmood, K. Harrabi, Z.H. Yamani, F.A.Al‐Sulaiman, International Journal Of Energy Research, Vol 42, Issue 12, Pages 3957-3965.

"Novel Single Source Precursor For Synthesis Of Sb2se3 Nanorods And Deposition Of Thin FilmsBy Aacvd: Photo-electrochemical Study For Water Reduction Catalysis," M.D. Khan, M. Aamir,M. Sohail, M. Sher, J. Akhtar, M.A. Malik, N. Revaprasadu, Solar Energy, Vol. 169, Issue, 2018,Pp: 526-534.

"Experimental And Theoretical Study Of Ultraviolet-induced Structural/Optical Instability In NanoSilicon-based Luminescence," J. Malloy, K. Mantey, Y. Maximenko, E. Bahceci, H. Morgan, Z.Yamani, J. Boparai, K. Puthalath, M.H. Nayfeh, Journal Of Applied Physics, Vol. 124, Issue (4),2018, Pp: 044501.

"Sonochemical-assisted In Situ Electrochemical Synthesis Of Ag/Α-fe2o3/Tio2 Nanoarrays ToHarness Energy From Photoelectrochemical Water Splitting," I. Khan, A. Qurashi, ACSSustainable Chemistry & Engineering, Vol. 6, Issue (9), 2018, Pp: 11235-11245.

"Facile Hydrogenation Of N-heteroarenes By Magnetic Nanoparticle-supported Sub-nanometricRh Catalysts In Aqueous Medium," M. Nasiruzzaman Shaikh, M.A. Aziz, A.N. Kalanthoden, A.Helal, A.S. Hakeem, M. Bououdina, Catalysis Science & Technology, Vol. 8, Issue (18), 2018, Pp:4709-4717.

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"Synthesis Of Hard And Tough Calcium Stabilized Α-sialon/Sic Ceramic Composites Using Nano-sized Precursors And Spark Plasma Sintering," R.M.A. Khan, B.A. Ahmed, M.M. Al Malki, A.S.Hakeem, T. Laoui, Journal Of Alloys And Compounds, Vol. 757, Issue, 2018, Pp: 200-208.

"Poly Aromatic Hydrocarbon (Naphthalene) Conversion Into Value Added Chemical (Tetralin):Activity And Stability Of Mop/Ac Catalyst," M. Usman, D. Li, R. Razzaq, U. Latif, O. Muraza, Z.H.Yamani, B.A. Al-maythalony, C. Li, S. Zhang, Journal Of Environmental Chemical Engineering,Vol. 6, Issue (4), 2018, Pp: 4525-4530.

"Interconnected Hollow Cobalt Phosphide Grown on Carbon Nanotubes for Hydrogen EvolutionReaction," A. Adam, M.H. Suliman, M.N. Siddiqui, Z.H. Yamani, B. Merzougui, M. Qamar, ACSApplied Materials & Interfaces, Vol. issue, 2018, pp.

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"Solvothermal Synthesis Of Molybdenum–tungsten Oxides And Their Application ForPhotoelectrochemical Water Splitting," D. Spetter, M.N. Tahir, J. Hilgert, I. Khan, A. Qurashi, H.Lu, T. Weidner, W. Tremel, Acs Sustainable Chemistry & Engineering, 2018.

"Fabrication And Characterization Of Nanostructured Mgo.Fe2o3 Composite By MechanicalMilling As Efficient Adsorbent Of Heavy Metals," M. Bououdina, T.S. Alwqyan, L. Khezami, B.Al-najar, M.N. Shaikh, R. Gill, A. Modwi, K.K. Taha, O.M. Lemine, Journal Of Alloys AndCompounds, 2018.

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“Electrochemical Hydrogen Evolution Catalyzed by Nanostructured CoP Dispersed on g-C3N4

Nanosheets”, Qamar M, Journal of Nanoscience and Nanotechnology, Vol. 18, Issue (11), 2018,pp 7843-7849.

“Facile Hydrogenation Of N-heteroarenes By Magnetic Nanoparticles Supported Sub-nanometric Rh Catalysts In Aqueous Medium,” M. Nasiruzzaman Shaikh, Md. Abdul Aziz, AbdulNasar Kalanthoden, Aasif Helal, Abbas S. Hakeem And Mohamed Bououdina,Catalyst And Science Technology, 2018,8, 4709-4717.

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"Wideband luminescence from bandgap-matched Mg-based Si core-shell geometrynanocomposite," A. Kocyigit, N. Elhalawany, E. Bahceci, B. Enders, K. Puthalath, L. Abuhassan,Z. Yamani, M. Nayfeh, AIP Advances, Vol. 8, issue (5), 2018, pp: 055324.

“Rationally Dispersed Molybdenum Phosphide on Carbon Nanotubes for the HydrogenEvolution Reaction”, Adam A, Suliman MH, Dafalla H, Al-Arfaj AR, Siddiqui MN, Qamar M, ACSSustainable Chem. Eng. Vol. 6, Issue (9), 2018, pp 11414−11423.

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Dr. Zain Yamani Dr. Muhammad Ramzan Ashraf Dr. Muhammad ... Safar 1440 Newsl… · Zain Hassan...

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