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Articles by Kun Lang
Ionic Liquid-Driven Intermediate Phase Engineering for Surface-Reconstruction of CsPbI 2 Br Toward High-Efficiency Perovskite/Organic Tandem Solar Cells
1 Introduction Perovskite solar cells (PSCs) have attracted extensive attention because of their tunable bandgap, low exciton binding energy, and strong optical absorption, enabling the power conversion efficiency (PCE) to rise from 3.9% to over 27% since 2009 [1, 2]. Despite this rapid progress, the operational stability of organic–inorganic hybrid PSCs remains a major bottleneck, largely due to the thermal degradation and volatilization of organic components [3].
How Chinese local governments respond to competing targets: Evidence from the COVID-19 epidemic
ABSTRACT This article examines how Chinese local governments respond to competing policy targets during crises, using the COVID-19 epidemic as a quasi-natural experiment. We construct a novel panel dataset covering 278 prefecture-level cities in China to investigate whether city leaders’ promotion incentives – measured by tenure and age – affect their performance in epidemic control and economic development.
Electron-Rich Co Sites via Heterointerface Engineering Enable Cl– Repulsion and OH– Affinity for Efficient Seawater Hydrogen Evolution
Energy, Environmental, and Catalysis ApplicationsSeptember 5, 2025 Kun Lang Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, National Center for International Research on Catalytic Technology, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R.
Load-Bearing Behavior of Pipe-Arch Corrugated Steel Pipes during Backfilling
Data Availability Statement Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request. Acknowledgments This work was supported by the National Natural Science Foundation of China (grant number 51978564). Author Contributions Jing Jin: Conceptualization; Formal analysis; Investigation; Methodology; Writing – original draft. Mingzhou Su: Funding acquisition; Project administration; Resources; Supervision.
Optimized Crystallization of CsPbI2Br Films through the Incorporation of H2O for High‐Efficiency All‐Inorganic Perovskite/Organic Tandem Solar Cell
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adfm202502966-sup-0001-SuppMat.docx2.2 MB Supporting Information References 1, , , Nat. Photonics 2014, 8, 506. 2 NREL, NREL Best Research-Cell PV Efficiency Chart, https://www.nrel.gov/pv/assets/pdfs/best-research-cell-efficiencies.pdf (accessed: January 2025). 3, , , , , , Nat. Rev. Mater. 2023, 8, 89. 4, , , , Angew. Chem., Int. Ed. 2019, 58, 15596. 5, , , , , , , , , , J. Am. Chem. Soc.
China & World Economy | IWEP & CASS Economics Journal | Wiley Online Library
References , 1996 “The world economy, market imperatives and alternatives,” Monthly Review, Vol. 48, No. 7, pp. 6–22. , 2003 “Firms, contracts, and trade structure,” Quarterly Journal of Economics, Vol. 118, No. 4, pp. 1375–418. , 2007, Adam Smith in Beijing: Lineages of the Twenty-First Century, New York: Verso Press. , and , 2011, History of Capitalism: From 1500 to 2010, Shanghai: Shanghai Dictionary Press (in Chinese), pp. 104–5 + 121.
Ecological Quality Status Evaluation of Port Sea Areas Based on EW-GRA-TOPSIS Model
4. Case Study In order to illustrate the effectiveness of the presented EW-GRA-TOPSIS model, it is used to evaluate the ecological quality status of a port sea area of Tianjin (around 38°56′~38°59′ N, 117°42′ E~117°58′ E) in China. In this research, the source data are the historical data in May 2015, which are provided by a certain research institute in China. In the case study, twelve monitoring stations are randomly selected as the evaluation objects in this port sea area.
Pencil-like Hollow Carbon Nanotubes Embedded CoP-V4P3 Heterostructures as a Bifunctional Catalyst for Electrocatalytic Overall Water Splitting
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Affective video recommender systems: A survey
Introduction Emotion or affection is a mental state which is unconscious and spontaneously arises accompanied by physiological and psychological status changes in human organs and tissues, e.g., heart rate, facial expression, brain, etc. (Shu et al., 2018b). Emotions are universal and have proved to be a highly multidisciplinary research field, from psychology, sociology, and neuroscience to computer science (Baveye et al., 2018).
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