Irfan Ullah

3.8k total citations · 1 hit paper
191 papers, 2.5k citations indexed

About

Irfan Ullah is a scholar working on Economics and Econometrics, Plant Science and Materials Chemistry. According to data from OpenAlex, Irfan Ullah has authored 191 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Economics and Econometrics, 36 papers in Plant Science and 33 papers in Materials Chemistry. Recurrent topics in Irfan Ullah's work include Glass properties and applications (27 papers), Luminescence Properties of Advanced Materials (26 papers) and Energy, Environment, Economic Growth (24 papers). Irfan Ullah is often cited by papers focused on Glass properties and applications (27 papers), Luminescence Properties of Advanced Materials (26 papers) and Energy, Environment, Economic Growth (24 papers). Irfan Ullah collaborates with scholars based in Pakistan, China and Saudi Arabia. Irfan Ullah's co-authors include Alam Rehman, Muhammad Zeeshan, Fakhr E Alam Afridi, G. Rooh, J. Kaewkhao, Ahsan Akbar, Muhammad Haroon Shah, Arif Hussain, I. Khan and M. Shoaib and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Journal of Cleaner Production.

In The Last Decade

Irfan Ullah

172 papers receiving 2.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Modeling the Nexus between geopolitical risk, oil price volatility and renewable energy investment; evidence from Chinese listed firms

2024 55 citations Muhammad Omer Chaudhry, Muhammad Waqas et al. Renewable Energy profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Irfan Ullah Pakistan	26	813	452	327	321	302	191	2.5k
Daoping Wang China	28	1.2k 1.5×	223 0.5×	45 0.1×	407 1.3×	266 0.9×	122	3.3k
Anna María Ferrari Italy	38	92 0.1×	1.1k 2.3×	390 1.2×	429 1.3×	348 1.2×	156	4.3k
Wanich Suksatan Thailand	29	627 0.8×	269 0.6×	18 0.1×	300 0.9×	502 1.7×	131	3.3k
Yajie Liu China	25	453 0.6×	599 1.3×	27 0.1×	243 0.8×	78 0.3×	125	2.1k
Supat Chupradit Thailand	26	1.1k 1.3×	173 0.4×	21 0.1×	603 1.9×	300 1.0×	90	2.8k
Chen Ya China	29	673 0.8×	171 0.4×	8 0.0×	460 1.4×	143 0.5×	143	2.5k
Sandeep Gupta India	23	80 0.1×	399 0.9×	289 0.9×	36 0.1×	30 0.1×	77	1.5k
Hiroyuki Taguchi Japan	25	211 0.3×	396 0.9×	30 0.1×	52 0.2×	744 2.5×	185	2.5k
Chen Jian China	18	374 0.5×	106 0.2×	8 0.0×	206 0.6×	73 0.2×	55	1.2k
Farman Ullah Khan Pakistan	26	176 0.2×	481 1.1×	5 0.0×	172 0.5×	85 0.3×	67	1.9k

Countries citing papers authored by Irfan Ullah

Since Specialization

Citations

This map shows the geographic impact of Irfan Ullah's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Irfan Ullah with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Irfan Ullah more than expected).

Fields of papers citing papers by Irfan Ullah

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Irfan Ullah. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Irfan Ullah. The network helps show where Irfan Ullah may publish in the future.

Co-authorship network of co-authors of Irfan Ullah

This figure shows the co-authorship network connecting the top 25 collaborators of Irfan Ullah. A scholar is included among the top collaborators of Irfan Ullah based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Irfan Ullah. Irfan Ullah is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Ullah, Irfan & Muhammad Zaheer. (2025). Enhancing activity and stability of bimetallic metal-organic frameworks (MOFs) for overall electrochemical water splitting through nanocomposite formation. International Journal of Hydrogen Energy. 105. 179–188. 11 indexed citations

Chaudhry, Muhammad Omer, et al.. (2024). Modeling the Nexus between geopolitical risk, oil price volatility and renewable energy investment; evidence from Chinese listed firms. Renewable Energy. 225. 120309–120309. 55 indexed citations breakdown →

Ullah, Irfan, et al.. (2024). Agricultural productivity and rural poverty in China: The impact of land reforms. Journal of Cleaner Production. 475. 143723–143723. 27 indexed citations

Khan, Sami Ullah, et al.. (2023). Spatial spillover impact of determinants on child mortality in Pakistan: evidence from Spatial Durbin Model. BMC Public Health. 23(1). 1612–1612. 4 indexed citations

Nishan, Umar, Irfan Ullah, Rukhsana Gul, et al.. (2023). Paracetamol-Mediated Synthesis of Silver Nanoparticles and Their Functionalization with Ionic Liquid for the Colorimetric Biosensing of Ascorbic Acid. ACS Omega. 8(47). 44931–44941. 9 indexed citations

Rehman, Alam, et al.. (2023). The influence of civilized city honorary title on the urban innovation capacity. Environment Development and Sustainability. 26(8). 20841–20867. 5 indexed citations

Shah, Muhammad Haroon, et al.. (2023). Analyzing Nexus between Economic Complexity, Renewable Energy, and Environmental Quality in Japan: A New Evidence from QARDL Approach. International Journal of Energy Research. 2023. 1–14. 10 indexed citations

Shah, Zafar Ali, Irfan Ullah, Abdur Rauf, et al.. (2022). Antioxidant and Cytotoxic Activity of a New Ferruginan A from Olea ferruginea: In Vitro and In Silico Studies. Oxidative Medicine and Cellular Longevity. 2022(1). 8519250–8519250. 5 indexed citations

Ma, Chao, et al.. (2021). Roles of N6‐Methyladenosine Demethylase FTO in Malignant Tumors Progression. OncoTargets and Therapy. Volume 14. 4837–4846. 23 indexed citations

10.

Fan, Yongxian, et al.. (2021). Does tourism increase CO₂ emissions and health spending in Mexico? New evidence from nonlinear ARDL approach. The International Journal of Health Planning and Management. 37(1). 242–257. 19 indexed citations

11.

Ullah, Irfan, et al.. (2021). Causality nexus between oil production, industries energy consumption and unemployment in Iran. Energy Exploration & Exploitation. 39(4). 1215–1234. 3 indexed citations

12.

Ullah, Irfan, Assad Ullah, Sher Ali, et al.. (2021). Public Health Expenditures and Health Outcomes in Pakistan: Evidence from Quantile Autoregressive Distributed Lag Model. Risk Management and Healthcare Policy. Volume 14. 3893–3909. 26 indexed citations

13.

Ali, Zafar, et al.. (2021). An overview and evaluation of citation recommendation models. Scientometrics. 126(5). 4083–4119. 22 indexed citations

14.

Ullah, Irfan, et al.. (2020). Effect of natural preservative (Ginger extract) on the over quality of carrot and kinnow blended jam. 2(1). 1–9.

15.

Shah, Muhammad Haroon, et al.. (2020). Does environment quality and public spending on environment promote life expectancy in China? Evidence from a nonlinear autoregressive distributed lag approach. The International Journal of Health Planning and Management. 36(2). 545–560. 23 indexed citations

16.

Ullah, Irfan, Alam Rehman, Farman Ullah Khan, Muhammad Haroon Shah, & Faridoon Khan. (2019). Nexus between trade, CO₂ emissions, renewable energy, and health expenditure in Pakistan. The International Journal of Health Planning and Management. 35(4). 818–831. 70 indexed citations

17.

Ullah, Saeed, Irfan Ullah, Yaseen Iqbal, et al.. (2018). Influence of P2O5 and SiO2 Addition on the Phase, Microstructure, and Electrical Properties of KNbO3. Iranian Journal of Science and Technology Transactions A Science. 43(4). 1981–1987. 10 indexed citations

18.

Ali, Hashmat, et al.. (2017). How Terrorism Affects Foreign Direct Investment in Pakistan?. SHILAP Revista de lepidopterología. 10 indexed citations

19.

Irfan, Muhammad, et al.. (2015). The Case of Coal Water Slurry Fuel for Industrial Use in Pakistan. Research Journal of Applied Sciences Engineering and Technology. 9(6). 460–465. 3 indexed citations

20.

Ullah, Irfan, et al.. (2014). Domestic Investment, Foreign Direct Investment, and Economic Growth Nexus: A Case of Pakistan. 2014. 1–5. 45 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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