Journal Publications

Independent Research Publications at VCU

[36] Eladgham, E.H.; Demchenko, Denis O.; Nakagawara, Tanner A.; Özgür, Ümit; Arachchige, Indika U.* “Facile Synthesis of Highly Luminescent Lithium Silicate Nanocrystals with Varying Crystal Structure and Morphology” CrystEngComm. 2019, 21, 1974–1983. [Link]

[35] Tallapally, Venkatesham; Nakagawara, Tanner A.; Demchenko, Denis O.; Ümit Özgür; Arachchige, Indika U.* “Ge1-xSnx Alloy Quantum Dots with Composition-Tunable Energy Gaps and Near-Infrared Photoluminescence” Nanoscale 2018, 10, 20296–20305. [Link]

[34] Ohlhaver, Christopher M.; Rutan, Sarah A., Bertino; Massimo F.; Wijesinghe, Dayanjan S.; Arachchige, Indika U.* “Applications of Surface Enhanced Raman Scattering toward the Detection of the Bioactive Lipid 20-HETE” ACS Appl. Nano Mater. 2018, 1, 4064-4072. [Link]

[33] Nahar, Lamia; Farghaly, Ahmed A.; Esteves, Richard A; Arachchige, Indika U.* “Shape Controlled Synthesis of Au/Ag/Pd Nanoalloys and Their Oxidation-Induced Self-Assembly into Electrocatalytically Active Aerogel Monoliths” Chem. Mater. 2017, 29, 7704–7715. [Link]

[32] Demchenko, Denis O.;* Tallapally, Venkatesham; Esteves, Richard J.; Hafiz, Shopan; Nakagawara, Tanner A.; Arachchige, Indika U.; Ümit Özgür “Optical Transitions and Excitonic Properties of Ge1-xSnx Alloy Quantum Dots” J. Phys. Chem. C 2017, 121, 18299-18306. [Link]

[31] Arachchige, Indika U.; Armatas G. S.; Biswas, K.; Subrahmanyam, K. S.; Latturner, S.; Malliakas, C. D.; Manos, M. J.; Oh, Y.; Polychronopoulou, P.; Poudeu, P. F. P.; Trikalitis, P. N.; Zhang, Q.; Zhao, L.-D.; Peter, S. C.,* “Mercouri G. Kanatzidis: Excellence and Innovations in Inorganic and Solid State Chemistry” Inorg. Chem. 2017, 56, 7582-7597. [Link]

[30] Esteves, Richard J.; Hafiz, Shopan A.; Demchenko, Denis O.; Özgür, Ümit; Arachchige, Indika U. “Ultra-Small Ge1-xSnx Quantum Dots with Visible Photoluminescence” Chem. Commun. 2016, 52, 11665-11668. [Link]

[29] Hafiz, Shopan A.; Esteves, Richard J.; Demchenko, Denis O.; Arachchige, Indika U.; Özgür, Ümit “Band-Gap Engineering and Carrier Dynamics in Colloidal Ge1−xSnx Quantum Dots” J. Phys. Chem. Lett. 2016, 7, 3295−3301.[Link]

[28] Tallapally, Venkatesham; Esteves, Richard J.; Nahar, Lamia; Arachchige, Indika U. “Multivariate Synthesis of Tin Phosphide Nanoparticles: Temperature, Time, and Ligand Control of Size, Shape, and Crystal Structure” Chem. Mater. 2016, 28, 5406-5414.

[27] Sahoo, N. G.; Esteves, Richard J.; Punetha, Vinay. D.; Pestov, D.; Arachchige, Indika U.; McLeskey, James. T. “Schottky Diodes from 2D Germanane” Appl. Phys. Lett. 2016, 109, 023507/1-023507/4.

[26] Gao, Xiaonan; Esteves, Richard J.; Nahar, Lamia; Arachchige, Indika U. “Direct Cross-Linking of  Au/Ag Alloy Nanoparticles into Monolithic Aerogels for Application in Surface Enhanced Raman Scattering” ACS Appl. Mater. Interfaces 2016, 8, 13076–13085.

[25] Nahar, Lamia; Esteves, Richard J.; Hafiz, Shopan; Ozgur, Umit; Arachchige, Indika U. “Metal-Semiconductor Hybrid Aerogels: Evolution of Optoelectronic Properties in a Low Dimensional CdSe/Ag Nanoparticle Assembly” ACS Nano 2015, 9, 9810-9821.

[24] Ho, Min Q.; Esteves, Richard J.; Arachchige, Indika U. “Size Dependent Optical Properties of Luminescent Zn3P2Quantum Dots” J. Phys. Chem. C. 2015, 119, 10576−10584.

[23] Esteves, Richard J.; Ho, Min Q.; Arachchige, Indika U. “Nanocrystalline Group IV Alloy Semiconductors: Synthesis and Characterization of Ge1–xSnx Quantum Dots for Tunable Bandgaps” Chem. Mater. 2015, 27, 1559–1568.

[22] Altarawneh, S.; Nahar, Lamia; Arachchige, Indika U.; El-Ballouli, Ala’a O.; Hallal, Kassem M.; Kaafarani, Bilal R.; Rabbani, Mohammad G.; Arvapally, Ravi K.; El-Kaderi, Hani M. “Highly Porous and Photoluminescent Pyrenequinoxaline-derived Benzimidazole-linked Polymers” J. Mater. Chem. A 2015, 3, 3006-3010.

[21] Gao, Xiaonan; Esteves, Richard J.; Luong, Thi T. H.; Jaini, Rajendra; Arachchige, Indika U., “Oxidation-Induced Self-Assembly of Ag Nanoshells into Transparent and Opaque Ag Hydrogels and Aerogels” J. Am. Chem. Soc. 2014, 136, 7993-8002.

[20] Kulugammana, Ranmohotti G. S.; Gao, Xiaonan; Arachchige, Indika U., “Salt-mediated Self-Assembly of Metal Nanoshells into Metallic Aerogels” Chem. Mater. 2013, 25, 3528–3534.

[19] Nahar, Lamia; Arachchige, Indika U., “Sol-Gel Methods for the Assembly of Metal and Semiconductor Nanoparticles” JSM Nanotechnol. Nanomed. 2013, 1, 1004/1-1004/6.

Publications from Undergraduate, Graduate, and Postdoctoral Research

[18] Soriano, Ronlad A.; Arachchige, Indika U.; Malliakas, Christos D.; Wu, Jinsong; Kanatzidis, Mercouri G., “Nanoscale Stabilization of New Phases in the PbTe–Sb2Te3 System: PbmSb2nTem+3n Nanocrystals”  J. Am. Chem. Soc. 2013, 135, 768-774.

[17] Ivanov, Sergei A.; Arachchige, Indika U.; Aikens, Christine M., “Density Functional Analysis of Geometries and Electronic Structures of Gold-Phosphine Clusters. The Case of Au4(PR3)42+ and Au42-I)2(PR3)4J. Phys. Chem. A2011, 115, 8017–8031.

[16] Arachchige, Indika U.; Malliakas, Christos D.; Soriano, Ronlad A.; Ivanov, Sergei A.;  Kanatzidis, Mercouri G.,  “Amorphous and Crystalline GeTe Nanoparticles” Adv. Funct. Mater. 2011, 21, 2737–2743.

[15] Wu, Jinsong; He, Jiaqing; Han, Mi-Kyung; Sootsman, Joseph R.; Girard, S.; Arachchige, Indika U.; Kanatzidis, Mercouri G.; Dravid, Vinayak P., “Electron-Beam Activated Thermal Sputtering of Thermoelectric Materials” J. Appl. Phys. 2011, 110, 044325.

[14] Wang, Ruomiao; Li, Li; Arachchige, Indika U.; Ganguly, Shreyashi; Brock, Stephanie L.; Mao, Guangzhao, “Nanoparticles Change the Ordering Pattern of n-Carboxylic Acids into Nanorods on HOPG” ACS Nano 2010, 4, 6687-6696.

[13] Pala, Irina R.; Arachchige, Indika U.; Georgiev, Daniel G.; Brock, Stephanie L., “Reversible Gelation of II-VI Nanocrystals: The Nature of Interparticle Bonding and the Origin of Nanocrystal Photochemical Instability”Angew. Chem. Int. Ed. 2010, 49, 3661-3665.

[12] Arachchige, Indika U.; Kanatzidis, Mercouri G., “Anomalous Band Gap Evolution from Band Inversion in Pb1-xSnxTe Nanocrystals” Nano Lett. 2009, 9, 1583-1587.

[11] Yao, Qinghong; Arachchige, Indika U.; Brock, Stephanie L., “Expanding the Repertoire of Chalcogenide Nanocrystal Networks: Ag2Se Gels and Aerogels by Cation Exchange Reactions” J. Am. Chem. Soc. 2009, 131, 2800-2801.

[10] Arachchige, Indika U.; Wu, Jinsong; Dravid, Vinayak P.; Kanatzidis, Mercouri G., “Nanocrystals of the Quaternary Thermoelectric Materials AgPbmSbTem+2 (m=1-18): Phase-Segregated or Solid Solutions?” Adv. Mater. 2008, 20, 3638-3642.

[09] Bag, Santanu; Arachchige, Indika U.; Kanatzidis, Mercouri G., “Aerogels from Metal Chalcogenides and Their Emerging Unique Properties” J. Mater. Chem. 2008, 18, 3628-2632.

[08] Arachchige, Indika U.; Brock, Stephanie L., “Highly Luminescent Quantum Dot Monoliths” J. Am. Chem. Soc. 2007, 129, 1840-1841. (Highlighted by Science 2007, 315, 741).

[07] Arachchige, Indika U.; Brock, Stephanie L., “Sol-Gel Method for the Assembly of Metal-Chalcogenide Quantum Dots” Acc. Chem. Res. 2007, 40, 801-809.

[06] Brock, Stephanie L.; Arachchige, Indika U.; Kalebaila, Kennedy K., “Metal Chalcogenide Gels, Xerogels and Aerogels”Comments Inorg. Chem. 2006, 27, 103-126.

[05] Arachchige, Indika U.; Brock, Stephanie L., “Sol-Gel Assembly of CdSe Nanoparticles to Form Porous Aerogel Networks” J. Am. Chem. Soc. 2006, 128, 7964-7971. (Highlighted by Anal. Chem. 2006, 78, 5975).

[04] Arachchige, Indika U.; Mohanan, Jaya L.; Brock, Stephanie L., “Sol-Gel Processing of Semiconducting Metal Chalcogenide Xerogels: Influence of Dimensionality on Quantum Confinement Effects in a Nanoparticle Network”Chem. Mater. 2005, 17, 6644-6650.

[03] Mohanan, Jaya L.; Arachchige, Indika U.; Brock, Stephanie L., “Porous Semiconductor Chalcogenide Aerogels” Science 2005, 307, 397-400. (Highlighted by Angew. Chem. Int. Ed. 2005, 44, 4839-4841).

[02] Chen, Dongzhong; Wang, Ruomiao; Arachchige, Indika U.; Mao, Guangzhao; Brock, Stephanie L., “Particle–Rod Hybrids: Growth of Arachidic Acid Molecular Rods from Capped Cadmium Selenide Nanoparticles” J. Am. Chem. Soc. 2004, 126, 16290-16291.

[01] Weerasooriya, R.; Tobschall, H. J.; Wijesekara, H. K. D. K; Arachchige, E. K. I. A. U. K.; Pathiratne, K. A. S., “On the Mechanistic Modeling of As(III) Adsorption on Gibbsite” Chemosphere 2003, 51, 1001-1013.

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