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  1. Article

    Open Access

    Exploring the coupling relationship between hydrocarbon generation of continental shale and nanopore structure evolution—A case study of Shahejie formation in Bohai Bay Basin

    The nano-scale pore structure of shale is closely related to the self-generated and self-accumulated shale oil and gas. The Bohai Bay Basin is a crucial oil-bearing basin in eastern China, and the Paleogene Sh...

    Youwei Zheng, Deliang Fu, Jianqiang Qin in Journal of Petroleum Exploration and Produ… (2021)

  2. No Access

    Chapter and Conference Paper

    Reversible Data Hiding Based on Prediction-Error-Ordering

    In this paper, we propose a new reversible data hiding scheme called prediction-error-ordering (PEO). Instead of sorting the pixels directly as that in pixel-value-ordering (PVO) series, the obtained predictio...

    Jianqiang Qin, Fangjun Huang in Pattern Recognition and Computer Vision (2020)

  3. Article

    Open Access

    Enhanced Power Conversion Efficiency of Perovskite Solar Cells with an Up-Conversion Material of Er3+-Yb3+-Li+ Tri-doped TiO2

    In this paper, Er3+-Yb3+-Li+ tri-doped TiO2 (UC-TiO2) was prepared by an addition of Li+ to Er3+-Yb3+ co-doped TiO2. The UC-TiO2 presented an enhanced up-conversion emission compared with Er3+-Yb3+ co-doped TiO2....

    Zhenlong Zhang, Jianqiang Qin, Wenjia Shi, Yanyan Liu in Nanoscale Research Letters (2018)

  4. Article

    Open Access

    The optimum titanium precursor of fabricating TiO2 compact layer for perovskite solar cells

    Perovskite solar cells (PSCs) have attracted tremendous attentions due to its high performance and rapid efficiency promotion. Compact layer plays a crucial role in transferring electrons and blocking charge r...

    Jianqiang Qin, Zhenlong Zhang, Wenjia Shi, Yuefeng Liu in Nanoscale Research Letters (2017)