• [1] Ying Liu, Depeng Zhao, Hengqi Liu, Ahmad Umar and Xiang Wu, "High performance hybrid supercapacitor based on hierarchical MoS2/Ni3S2 metal chalcogenide." Chinese Chemical Letters (In Press, 2018); https://doi.org/10.1016/j.cclet.2018.12.024

  • [2] Hao Wu, Hao Li, Ahmad Umar, Yao Wang and Guofu Zhou, "Bifunction-integrated Dielectric Nanolayers of Fluoropolymers with Electrowetting Effects", Materials 11 (2018) 2474; doi:10.3390/ma11122474

  • [3] Ritika, Manjot Kaur, Ahmad Umar*, Surinder Kumar Mehta, Surinder Singh, Sushil Kumar Kansal, H. Fouad and Othman Y. Alothman, "Rapid solar-light driven photocatalytic degradation of methylene blue using MoS2-ZnO heterostructure nanorods photocatalyst" Materials 11 (2018) 2254; doi:10.3390/ma11112254

  • [4] Nitu Singh, Ahmad Umar?*, Neha Singh?a, H. Fouad, Othman Y. Alothman?, Fozia Z. Haque, "Highly sensitive optical ammonia gas sensor based on Sn Doped V?2O?5 Nanoparticles", Materials Research Bulletin 108 (2018) 266-274

  • [5] Luhan Hao, Wei Zhao, Yan Peng, Mingyue Sun, Dianzhong Li, Hu Liu, Xiaojing Wang, Ahmad Umar, and Zhanhu Guo, Precise Determination of Trace Hydrogen in SA508-3 Steel for Nuclear Reactor Pressure Vessels, Science of Advanced Materials, 10 (2018) 1651–1657; DOI: 10.1166/sam.2018.3391

  • [6] Yejing Wang, Rui Cai, Gang Tao, Peng Wang, Hua Zuo, Ping Zhao, Ahmad Umar and Huawei He, "A Novel AgNPs/sericin/agar film with enhanced mechanical property and antibacterial capability" Molecules 23 (2018) 1821; doi:10.3390/molecules23071821

  • [7] Soo-Young Kang, Yo-Seop Yoon, No-Won Park, Won-Yong Lee, Gil-Sung Kim, Young-Gui Yoon, Jung-Huk Koh, Sang-Mo Koo, Ahmad Umar, and Sang-Kwon Lee, Electrical Properties of Exfoliated Multilayer Germanium Selenide (GeSe) Nanoflake Field-Effect Transistors, Science of Advanced Materials, 10 (2018) 1596–1600; DOI: 10.1166/sam.2018.3375

  • [8] Jiaxin Hou, Yancong Feng, Wenwen Ding, Lingling Shui, Hao Li, Yao Wang, Biao Tang, Nan Li, Ahmad Umar, and Guofu Zhou, "Multiscale Interface Effect on Homogeneous Dielectric Structure of ZrO2/Teflon nanocomposite for Electrowetting application" Polymers 10 (2018)1119; DOI: https://doi.org/10.3390/polym10101119

  • [9] No-Won Park, Won-Yong Lee, Ahmad Umar, Byung-Guk Ahn, Sang-Mo Koo and Sang-Kwon Lee, "All cross-plane thermoelectric properties of n-type Bi2Te3 thin films in the temperature range from 77 to 500 K", Nanoscience and Nanotechnology Letters 10 (2018) 1586-1591

  • [10] Yu-Xing Li, Hua Hou, Jin-Zhong Tian, Ru-Yi Ji, Hu Liu, Chao Yan, Ahmad Umar, and Zhanhu Guo, ‘Study on thermodynamics and mechanical properties of Ni-X (X=Al, Ti, Si) compounds under different pressures and temperatures by first-principles', Science of Advanced Materials, 10 (2018) 1680-1690; doi:10.1166/sam.2018.3428

  • [11] Depeng Zhao,  Fang Hu,  Ahmad Umar  and  Xiang Wu,  "NiCo2O4 nanowires based flexible electrode materials for asymmetric supercapacitors" New Journal of Chemistry, 42 (2018) 7399-7406; DOI: 10.1039/C8NJ00935J

  • [12] Ahmad Umar*, M. S. Akhtar, S. H. Kim, R. Kumar, H. Fouad, Othman Y. Alothman, "Methanol gas sensor based on ZnO–SnO2 hollow urchins" Nanosciene and Nanotechnology Letters 10 (2018) 1405-1411.

  • [13] Rajeev Kumar, Sushma Negi, Priyanka Sharma, I. B. Prashar, Savita Chaudhary, Jaspreet Singh Dhau, Ahmad Umar*, "Wastewater Cleanup using Phlebia acerinaFungi: An Insight into Mycoremediation" Journal of Environmental Management 228 (2018) 130-139

  • [14] Yu-Hong Zhao, Xiao-Lin Tian, Baojun Zhao, Yuanyang Sun, Huijun Guo, Mengyao Dong, Hu Liu, Xiaojing Wang, Zhanhu Guo, Ahmad Umar and Hua Hou, Precipitation sequence of middle Al concentration alloy using the inversion algorithm and microscopic phase field model, Science of Advanced Materials, 10 (2018) 1793-1804; doi:10.1166/sam.2018.3430

  • [15] Savita Chaudhary, Priyanka Sharma, Sandeep Kumar, Sruthi Ann Alex, Rajeev Kumar, S. K. Mehta, Amitava Mukherjee, Ahmad Umar*, A comparative multi-assay approach to study the toxicity behaviour of Eu2O3 nanoparticles, Journal of Molecular Liquids, 269 (2018) 783-795; DOI: 10.1016/j.molliq.2018.08.082;

  • [16] Yidi Dong, Lei Xing, Fang Hu, Ahmad Umar*, Xiang Wu* "?-Fe2O3/rGO Nano-spindles as Electrode Material for Supercapacitor with Long Cycle Life" Materials Research Bulletin, 107 (2018) 391-396; DOI:10.1016/j.materresbull.2018.07.038

  • [17] Deepika Kaushal, Dilbag S. Rana, Manish Kumar, Kailash Singh, Kuldeep Singh, Suvarcha Chauhan, Ahmad Umar, Furosemide–Cetyltrimethylammonium Bromide Interactions in Aqueous Dimethylsulfoxide Solutions: Physico–Chemical Studies, Zeitschrift für Physikalische Chemie, (In Press, 2018); DOI: https://doi.org/10.1515/zpch-2017-1014

  • [18] Jianjun Zhang, Haitao Li, Hu Liu, Xiaojing Wang, Yong Ma, Ning Wang, Ahmad Umar*, and Zhanhu Guo, "Determining Interfacial Shear Bond Strength in Thin Laminated Metal Composites" Sci. Adv. Mater. 10, (2018) 1543-1551

  • [19] Yejing Wang, Rui Cai, Gang Tao, Peng Wang, Hua Zuo, Ping Zhao, Ahmad Umar, Huawei He. A novel AgNPs/sericin/agar film with enhanced mechanical property and antibacterial capability. Molecules. 23 (2018) 1821

  • [20] Liying Liu, Rui Cai, Yejing Wang, Gang Tao, Lisha Ai, Peng Wang, Meirong Yang, Hua Zuo, Ping Zhao, Hong Shen, Ahmad Umar and Huawei He, "Preparation and characterization of AgNPs in situ synthesis on polyelectrolyte membrane coated sericin/agar film for antimicrobial applications" Materials 11 (2018) 1205; doi: 10.3390/ma11071205.

  • [21] Zhuo Chen, Jinrong Wang, Douxing Pan, Yao Wang; Richard Noetzel, Hao Li; Peng Xie, Wenle Pei, Ahmad Umar, Lei Jiang, Nan Li, Nicolaas Rooij, Guofu Zhou, "Mimicking a Dog's Nose: Scrolling Graphene Nanosheets", ACS NANO, 12 (2018) 2521-2530; DOI: 10.1021/acsnano.7b08294

  • [22] H. Algarni, M.S. Al-Assiri, M. Reben, I.V. Kityk, B. Burtan- Gwizdala, H.H. Hegazy, Ahmad Umar, E. Yousef and R. Lisiecki, "Erbium-doped fluorotellurite titanate glasses for near infrared broadband amplifiers" Optical Materials, 83, (2018) 257–262; DOI: https://doi.org/10.1016/j.optmat.2018.06.020

  • [23] Priyanka Sharma, Sandeep Kaur, Savita Chaudhary, Ahmad Umar,* Rajeev Kumar, "Bare and noionic surfactant-functionalized Praseodymium oxide nanoparticles: Toxicological studies" Chemosphere 209 (2018) 1007-1020; DOI: 10.1016/j.chemosphere.2018.06.041

  • [24] Yas Al-Hadeethi, Ahmad Umar*, Ahmed A. Ibrahim, Rajesh Kumar, Saleh. H. Al-Heniti, Bahaaudin M. Raffah, "Hydroquinone Sensor Based on Neodymium (Nd) doped ZnO hexagonal nanorods" Nanoscience and Nanotechnology Letters 10, 351-357 (2018)

  • [25] Ahmad Umar,* Kulvinder Singh, S.K. Mehta, H. Fouad, Othman Y. Alothman, "Highly sensitive enzyme-less glucose biosensor based on ?-Fe2O3 nanoparticles" Nanoscience and Nanotechnology Letters 10, 429-434 (2018)

  • [26] Ping Zhang, Ting Ge, Haifeng Yang, Shiwei Lin, Yang Cao, Cindy Xinxin Zhao, Hu Liu, Ahmad Umar,* Zhanhu Guo, "Antifouling of Titania Nanostructures in Real Maritime Conditions" Science of Advanced Materials 10 (2018) 1216-1223; DOI:  https://doi.org/10.1166/sam.2018.3329

  • [27] Savita Chaudhary, Yesbinder Kaur, Bhumika Jayee, Ganga Ram Chaudhary, Ahmad Umar*, "NiO nanodisks: highly efficient visible-light driven photocatalyst, potential scaffold for seed germination of Vigna Radiata and antibacterial properties" Journal of Cleaner Production 190 (2018) 563-576; DOI: 10.1016/j.jclepro.2018.04.110;

  • [28] Hua-yun Du, Yan-li An, Ying-hui Wei, Li-feng Hou, Bao-sheng Liu, Hu Liu, Yong Ma, Jiaoxia Zhang, Ning Wang, Ahmad Umar*, and Zhanhu Guo, "Nickel powders Modified Nanocoating Strengthened Iron Plates by Surface Mechanical Attrition Alloy and Heat Treatment" Science of Advanced Materials 10 (2018) 1063-1072; DOI: 10.1166/sam.2018.3324

  • [29] Amandeep Kaur, Ahmad Umar*, William A. Anderson, Sushil Kumar Kansal, "Facile synthesis of CdS/TiO2 nanocomposite and their catalytic activity for ofloxacin degradation under visible illumination" Journal of Photochemistry and Photobiology A: Chemistry 360 (2018) 34-43; DOI: 10.1016/j.jphotochem.2018.04.021

  • [30] Yidi Dong, Lei Xing, Fang Hu, Xiang Wu, Ahmad Umar*, "Co3O4 nanowire@NiO nanosheet arrays for high performance asymmetric supercapacitors" Dalton Transactions 47 (2018) 5687-5694; DOI: 10.1039/C8DT00750K

  • [31] Meirong Yang, Yejing Wang, Gang Tao, Rui Cai, Peng Wang, Liying Liu, Lisha Ai, Hua Zuo, Ping Zhao, Ahmad Umar and Huawei He, "Fabrication of sericin/Agrose gel loaded lysozyme and its potential in wound dressing application" Nanomaterials 8 (2018) 235; doi:10.3390/nano8040235

  • [32] Shelja Sharma, Ahmad Umar,* Surinder Kumar Mehta, Alex. O. Ibhadon, Sushil Kumar Kansal*, "Solar light driven photocatalytic degradation of levofloxacin using TiO2/Carbon-dots nanocomposite" New Journal of Chemistry 42 (2018) 7445-7456; DOI: 10.1039/C7NJ05118B

  • [33] Pankaj Taneja, Shelja Sharma, Ahmad Umar,* Surinder Kumar Mehta, Alex O. Ibhadon, Sushil Kumar Kansal, "Visible-light driven photocatalytic degradation of brilliant green dye based on cobalt tungstate nanoparticles" Materials Chemistry and Physics 211 (2018) 335-342; DOI: 10.1016/j.matchemphys.2018.02.041

  • [34] Ramesh Kumar, Ahmad Umar,* D.S. Rana, P. Sharma, M.S. Chauhan and S. Chauhan, "Fe-doped ZnO nanoellipsoids for enhanced photocatalytic and highly sensitive and selective picric acid sensor" Materials Research Bulletin 102 (2018) 282-288; DOI: 10.1016/j.materresbull.2018.02.042

  • [35] Yidi Dong, Lei Xing, Fang Hu, Ahmad Umar, Xiang Wu, "Efficient removal of organic dyes molecules by grain-like ?-Fe2O3 nanostructures under visible light irradiation" Vacuum 150 (2018) 35-40; Doi: 10.1016/j.vacuum.2018.01.023

  •  [36] Sun Qing, Qiu Shou Tian, Gu Hong Yan, Yao Ming, Mallappa Kumara Swamy, Uma Rani Sinniah, Ahmad Umar, and Mohd Sayeed Akhtar, "Biosynthesis, Characterization and Biological Activities of AgNPs from Pogostemon cablin Benth. Methanolic Leaf Extract" Journal of Nanoscience and Nanotechnology (In Press, 2018)

  • [37] Weiyuan Deng, Tianhe Kang, Hu Liu, Jiaoxia Zhang, Ning Wang, Na Lu, Yong Ma, Ahmad Umar*, and Zhanhu Guo, "Potassium Hydroxide Activated and Nitrogen Doped Graphene with Enhanced Supercapacitive Behaviors" Science of Advanced Materials 10 (2018) 937-949; DOI: 10.1166/sam.2018.3279

  • [38] Ahmad Umar*, M. S. Akhtar, S. H. Kim, R. Kumar, H. Fouad, Othman Y. Alothman, "Methanol Gas Sensor Based on ZnO–SnO2 Hollow Urchins", Nanoscience and Nanotechnology Letters (In Press, 2018)

  • [39] Vemula Mohana Krishna, T. Somanathan, E. Manikandan, A. Umar, M. Maaza, "Large-scale synthesis of coiled carbon nanotubes by the use of bi-metal catalyst", Applied Nanoscience 8, (2018) 105-113; DOI: 10.1007/s13204-018-0667-2

  • [40] Ruokun Jia, Peng Xie, Yancong Feng, Zhuo Chen, Ahmad Umar, Yao Wang, "Dipole-Modified Graphene with Ultrahigh Gas Sensibility", Applied Surface Science 440 (2018) 409-414.

  • [41] Tuantuan Zhou, Wanlin Gao, Qiang Wang, Ahmad Umar*, "Effect of fluorine on the morphology and electrochemi­cal property of Co3O4 nanostructures for hydrazine detection" Materials 11 (2) (2018) 207; doi: 10.3390/ma11020207

  • [42] Sukhjinder Singh, Shelja Sharma, Ahmad Umar,* Menaka Jha, S. K. Mehta, Sushil Kumar Kansal, "Nanocuboidal-shaped zirconium based metal organic framework (UiO-66) for the enhanced adsorptive removal of nonsteroidal anti-inflammatory drug, ketorolac tromethamine, from aqueous phase" New Journal of Chemistry 42 (2018) 1921-1930. DOI: 10.1039/C7NJ03851H

  • [43] Ahmad Umar*, M. S. Akhtar, M.S.Al-Assiri, A. E. Al-Salami, S.H. Kim, "Composite CdO-ZnO hexagonal nanocones: Efficient materials for photovoltaic and sensing applications" Ceramic International 44 (2018) 5017-5024; DOI: https://doi.org/10.1016/j.ceramint.2017.12.098

  • [44] Xinrui Zhong, Zhang Zhang, Tuantuan Zhou, Peng Lu, Jin Cheng, Sining Chen, Zhifei Shu, Yichen Hong, Qiang Wang and Ahmad Umar*, Flower-shaped Mg3Al1-xFex-CO3 layered double hydroxides derived adsorbents with tunable memory effect for environmental remediation, Journal of Nanoscience and Nanotechnology 18 (2018) 2609-2615

  • [45] Qu, Zhou, Ahmad Umar*, El Mehdi Sodki, Aziz Amine, Lingna Xu, Yingang Gui, Ahmed A. Ibrahim, Rajesh Kumar, S. Baskoutas, "Fabrication and characterization of highly sensitive and selective sensors based on porous NiO nanodisks" Sensors and Actuators B: Chemical 259 (2018) 604-615; DOI: https://doi.org/10.1016/j.snb.2017.12.050

  • [46] Wang Chengzheng, Wen Jiazhi, Chen Shuangjiang, Mallappa Kumara Swamy, Uma Rani Sinniah, Mohd. Sayeed Akhtar, and Ahmad Umar, "Biogenic synthesis, characterization and evaluation of silver nanoparticles from Aspergillus niger JX556221 against human colon cancer cell line HT-29" Journal of Nanoscience and Nanotechnology 18 (2018) 3673-3681; DOI: 10.1166/jnn.2018.15364             

  • [47] Junya Wang, Ying Yang, Lijuan Jia, Na Yang, Qingqing Guan, Liang Huang, Ahmad Umar, Qiang Wang, Piing Ning, "The influence of the charge compensating anions of layered double hydroxides (LDHs) in LDH-NS/ Graphene oxide nanonanohybrid for CO2 capture" Journal of Nanoscience and Nanotechnology 18 (2018) 2956-2964

  • [48] K. Thanigai Arula, M. Ramesh, C. Chennakesavan, V. Karthikeyan, E. Manikandan, A. Umar, M. Maaza, M. Henini, Novel multifunctional of magnesium ions (Mg++) incorporated calcium phosphate nanostructures, Journal of Alloys and Compounds 730 (2018) 31-35

  • [49] Sukhjinder Singh, Shelja Sharma, Ahmad Umar,* Surinder Kumar Mehta, Manpreet Singh Bhatti, Sushil Kumar Kansal, Recycling of waste Poly(ethylene terephthalate) bottles by alkaline hydrolysis and Recovery of Pure nanospindle-shaped Terephthalic Acid" Journal of Nanoscience and Nanotechnology 18 (2018) 5804-5809

  • [50] Ahmad Umar*, Ahmed A. Ibrahim, "Fabrication and characterization of Dye-sensitized solar cell based on flower-shaped ZnO nanostructures" Journal of Nanoscience and Nanotechnology, 18 (2018) 3697-3701

  • [51] Ahmed A. Ibrahim, El Mehdi Sodki, Ahmad Umar*, Aziz Amine, R. Kumar, M. S. Al-Assiri, A. E. Al-Salami, S. Baskoutas, "Highly sensitive and selective non-enzymatic mono and disaccharide sugars sensing based on carbon paste electrodes modified with perforated NiO nanosheets" New Journal of Chemistry 42 (2018) 964-973; DOI: 10.1039/C7NJ03253F

  • [52] Tianshan Xue, Renna Li, Wanlin Gao, Yanshan Gao, Qiang Wang and Ahmad Umar*, "Preparation and characterization of highly efficient CuFe mixed oxides for total oxidation of toluene" Journal of Nanoscience and Nanotechnology, 18 (2018) 3381-3386

  • [53] Ahmad Umar*, Ajmal Khan, R. Kumar, H. Algarni, "Ag-doped ZnO nanoparticles for enhanced ethanol gas sensing application" Journal of Nanoscience and Nanotechnology 18 (2018) 3557-3562

  • [54] Girish Gupta, Ahmad Umar*, Amandeep Kaur, Swati Sood, Amit Dhir and S. K. Kansal, "Solar Light Driven photocatalytic degradation of Ofloxacin based on ultra-thin bismuth molybdenum oxide nanosheets" Materials Research Bulletin 99 (2018) 359-366. DOI: 10.1016/j.materresbull.2017.11.033

  • [55] Tuantuan Zhou, Wanlin Gao, Qiang Wang, Ahmad Umar*, "High aspect ratio perforated Co3O4 nanowires derived from cobalt-carbonate-hydroxide nanowires with enhanced sensing performance" Journal of Nanoscience and Nanotechnology 18 (2018) 3499-3504

  • [56] Qu Zhou, Lingna Xu, Ahmad Umar*, Weigen Chen, Rajesh Kumar, Pt- nanoparticles decorated SnO2 nanoneedles for efficient CO gas sensing applications, Sensors and Actuators B: Chemical 256 (2018) 656-664; DOI: 10.1016/j.snb.2017.09.206

  • [57] Xinghui Sun, Min Zhao, Bai Han, Hongjun Kang, Zhimin Fan, Yuyan Liu, Ahmad Umar, and Zhanhu Guo, "Frictional Reduction with Partially Exfoliated Multi-walled Carbon Nanotubes as Water-based Lubricant Additives" Journal of Nanoscience and Nanotechnology 18 (2018) 3427-3432             

  • [58] Yas Al-Hadeethi, Ahmad Umar*, Rajesh Kumar, Saleh. H. Al-Heniti, Bahaaudin M. Raffah, "Fabrication and characterizations of ethanol sensor based on CuO nanoparticles" Journal of Nanoscience and Nanotechnology 18 (2018) 2892-2897

  • [59] Savita Chaudhary, Ahmad Umar*, K.K. Bhasin, and S. Baskoutas, Chemical Sensing applications of ZnO nanomaterials, Materials 11 (2018) 287; Doi:10.3390/ma11020287

  • [60] S. Sharma, Ahmad Umar*, S. Sood, Surinder Kumar Mehta, Sushil Kumar Kansal, "Photoluminescent Carbon dots: An overview on the recent development in the synthesis, physiochemical properties and potential applications" Journal of Alloys and Compounds 748 (2018) 818-853; DOI: 10.1016/j.jallcom.2018.03.001