Explanipedia

Quantum dots solar cells under mimic high altitude platform satellites environments Open

Ram Datt, Xin Wen, Xiaobo Ding, Zeke Liu, Wanli Ma , et al. · 2025

Quantum dot solar cells are solution-processable, lightweight, and low-cost, and their long-term stability makes them attractive to explore for aerospace applications. In this work, we have studied lead sulfide (PbS) colloidal quantum dot …

Balancing monomer and ionic ligand supply for scalable direct synthesis of short-wavelength infrared PbS quantum dot inks Open

Xingyu Zhou, Xiaobo Ding, 刘洋 Liu Yang, Jiayu Xu, Can Gao , et al. · 2025

Homologous Bromides Treatment for Improving the Open‐Circuit Voltage of Perovskite Solar Cells Open

Yong Li, Weidong Xu, Nursultan Mussakhanuly, Yongyoon Cho, Jueming Bing , et al. · 2021

The power conversion efficiency (PCE) of solution‐processed organic–inorganic mixed halide perovskite solar cells has achieved rapid improvement. However, it is imperative to minimize the voltage deficit ( W oc = E g / q − V oc ) for their…

The effect of water on colloidal quantum dot solar cells Open

Guozheng Shi, Haibin Wang, Yaohong Zhang, Chen Cheng, Tianshu Zhai , et al. · 2021

Controlling Infrared Plasmon Resonances in Inverse-Spinel Cadmium Stannate Nanocrystals via Site-Selective Cation-Exchange Reactions Open

Yaxu Zhong, Zeke Liu, Erik Sarnello, Tao Li, Yang Liu , et al. · 2021

Doped metal oxide nanocrystals (NCs) exhibit tunable localized surface plasmon resonances (LSPRs) in the infrared spectral region. Compared to the binary oxides commonly studied, plasmonic NCs derived from ternary oxides remain far less ex…

Packing State Management to Realize Dense and Semiconducting Lead Sulfide Nanocrystals Film via a Single-Step Deposition Open

Kunyuan Lu, Xing Meng, Zeke Liu, Jun Chen, Yongjie Wang , et al. · 2020

Summary: The long alkyl ligands on nanocrystal (NC) surfaces must be exchanged with short ligands to render NC films semiconducting for optoelectronic applications. It has become the consensus that through this process, it is unavoidable t…

Highly stable and repeatable femtosecond soliton pulse generation from saturable absorbers based on two-dimensional Cu3−xP nanocrystals Open

Haoran Mu, Zeke Liu, Xiaozhi Bao, Zhichen Wan, Guanyu Liu , et al. · 2020

Heavily doped colloidal plasmonic nanocrystals have attracted great attention because of their lower and adjustable free carrier densities and tunable localized surface plasmonic resonance bands in the spectral range from near-infra to mid…

Broadband Tunable Mid-infrared Plasmon Resonances in Cadmium Oxide Nanocrystals Induced by Size-Dependent Nonstoichiometry Open

Zeke Liu, Yaxu Zhong, Ibrahim H. Shafei, Soojin Jeong, Liguang Wang , et al. · 2020

A central theme of nanocrystal (NC) research involves synthesis of dimension-controlled NCs and studyof size-dependent scaling laws governing their optical, electrical, magnetic, and thermodynamic properties. Here, we describe the synthesi…

Room-temperature direct synthesis of semi-conductive PbS nanocrystal inks for optoelectronic applications Open

Yongjie Wang, Zeke Liu, Nengjie Huo, Fei Li, Mengfan Gu , et al. · 2019

Tuning infrared plasmon resonances in doped metal-oxide nanocrystals through cation-exchange reactions Open

Zeke Liu, Yaxu Zhong, Ibrahim H. Shafei, Ryan Borman, Soojin Jeong , et al. · 2019

Evanescent Field Functional Cu3-xP Nanoparticles as Effective Saturable Absorbers with high Repeatability for Femtosecond Soliton Pulse generation Open

Haoran Mu, Zeke Liu, Zhichen Wan, Babar Shabbir, Lei Li , et al. · 2019

Recently, a new emerging field about heavily-doped colloidal plasmonic nanocrystals (NCs) has attracted great attention due to their lower and expediently adjustable free carrier densities, lower and tunable LSPR band in the spectral range…

Stable PbS quantum dot ink for efficient solar cells by solution-phase ligand engineering Open

Mengfan Gu, Yongjie Wang, Fan Yang, Kunyuan Lu, Ye Xue , et al. · 2019

A multiple-passivation strategy by solution-phase ligand engineering in lead halide exchanged QDs ink is presented, which result in remarkably improved colloidal stability of QDs ink and enhanced device performance.

High‐Efficiency PbS Quantum‐Dot Solar Cells with Greatly Simplified Fabrication Processing via “Solvent‐Curing” Open

Kunyuan Lu, Yongjie Wang, Zeke Liu, Lu Han, Guozheng Shi , et al. · 2018

PbS quantum‐dot (QD) solar cells are promising candidates for low‐cost solution‐processed photovoltaics. However, the device fabrication usually requires ten more times film deposition and rinsing steps, which is not ideal for scalable man…

In Situ Passivation for Efficient PbS Quantum Dot Solar Cells by Precursor Engineering Open

Yongjie Wang, Kunyuan Lu, Lu Han, Zeke Liu, Guozheng Shi , et al. · 2018

Current efforts on lead sulfide quantum dot (PbS QD) solar cells are mostly paid to the device architecture engineering and postsynthetic surface modification, while very rare work regarding the optimization of PbS synthesis is reported. H…

Photodetectors: Flexible Broadband Graphene Photodetectors Enhanced by Plasmonic Cu3−xP Colloidal Nanocrystals (Small 42/2017) Open

Tian Sun, Yongjie Wang, Wenzhi Yu, Yusheng Wang, Zhigao Dai , et al. · 2017

In article number 1701881, Wanli Ma, Shaojuan Li, Qiaoliang Bao, and co-workers demonstrate highly responsive and flexible broadband graphene photodetectors enhanced by plasmonic colloidal nanocrystals. A flexible graphene-Cu3–xP photodete…

Photovoltaic Devices Based on Colloidal PbX Quantum Dots: Progress and Prospects Open

Zeke Liu, Jianyu Yuan, Steven A. Hawks, Guozheng Shi, Shuit‐Tong Lee , et al. · 2017

A certified power conversion efficiency (PCE) of 12.0% and an outstanding air stability has been achieved for PbX quantum dots (QDs) solar cells, indicating strong potential for next generation low‐cost solution‐processed photovoltaics. Si…

Ligand Mediated Transformation of Cesium Lead Bromide Perovskite Nanocrystals to Lead Depleted Cs4PbBr6 Nanocrystals Open

Zeke Liu, Yehonadav Bekenstein, Xingchen Ye, Son C. Nguyen, Joseph K. Swabeck , et al. · 2017

Lead halide perovskite nanocrystals (NCs) have emerged as attractive nanomaterials owing to their excellent optical and optoelectronic properties. Their intrinsic instability and soft nature enable a post-synthetic controlled chemical tran…

Insight into the Ligand-Mediated Synthesis of Colloidal CsPbBr3 Perovskite Nanocrystals: The Role of Organic Acid, Base, and Cesium Precursors Open

Aizhao Pan, Bo He, Xiaoyun Fan, Zeke Liu, Jeffrey J. Urban , et al. · 2016

While convenient solution-based procedures have been realized for the synthesis of colloidal perovskite nanocrystals, the impact of surfactant ligands on the shape, size, and surface properties still remains poorly understood, which calls …

Pulsed Lasers: Pulsed Lasers Employing Solution‐Processed Plasmonic Cu3−xP Colloidal Nanocrystals (Adv. Mater. 18/2016) Open

Zeke Liu, Haoran Mu, Si Xiao, Rongbin Wang, Zhiteng Wang , et al. · 2016

Pulsed Lasers Employing Solution‐Processed Plasmonic Cu3−xP Colloidal Nanocrystals Open

Zeke Liu, Haoran Mu, Si Xiao, Rongbin Wang, Zhiteng Wang , et al. · 2016

A new approach to synthesize self-doped colloidal Cu3-x P NCs with controlled size and localized surface plasmon resonance absorption is reported. These Cu3-x P NCs show ultrafast exciton dynamics and huge optical nonlinearities due to pla…

Efficient all polymer solar cells employing donor polymer based on benzo[1,2-b:4,5-b’]dithiophene unit Open

Guanqun Ding, Jianyu Yuan, Xin Huang, Zeke Liu, Guozheng Shi , et al. · 2015

We reported all polymer solar cells (all-PSCs) employing BDT-based donor–acceptor (D–A) polymers composed of benzo[1,2-b:4,5-b’]dithiophene (BDT) and thiadiazolo[3,4-c]pyridine (PyTZ) (PBPT-8 and PBPT-12) as donor and NDI-based n-type poly…

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