Results 81 to 90 of about 1,875,449 (340)

Single-Crystal MAPbI3 Perovskite Solar Cells Exceeding 21% Power Conversion Efficiency

ACS Energy Letters, 2019
Twenty-micrometer-thick single-crystal methylammonium lead triiodide (MAPbI3) perovskite (as an absorber layer) grown on a charge-selective contact using a solution space-limited inverse-temperatur...
Zhaolai Chen, B. Turedi, Abdullah Y. Alsalloum, Chen Yang, Xiaopeng Zheng, I. Gereige, A. Al-Saggaf, O. Mohammed, O. Bakr   +8 more
semanticscholar   +1 more source

Stable and Highly Flexible Perovskite Solar Cells with Power Conversion Efficiency Approaching 20% by Elastic Grain Boundary Encapsulation

CCS Chemistry, 2020
Here, we show that flexible perovskite solar cells (PSCs) with high operational stability and power conversion efficiency (PCE) approaching 20% were achieved by elastic grain boundary (GB) encapsul...
Chengda Ge, Ziqi Yang, Xiaoting Liu, Yilong Song, Anran Wang, Qingfeng Dong   +5 more
semanticscholar   +1 more source

Cell‐cycle‐specific lesion evolution rather than inhibition of double‐strand‐break repair underpins cisplatin radiosensitization

Molecular Oncology, EarlyView.
We analyze cisplatin–DNA adducts (CDAs) and double‐strand breaks (DSBs) in a cell‐cycle‐dependent manner. We find that CDAs form similarly across all cell cycle phases. DSBs arise only in S‐phase. CDAs might not directly impair DSB repair, but S‐phase DSB lesions evolve in the presence of CDAs and disrupt repair in G2, also causing radiosensitization ...
Ye Qiu, Xixi Lin, Emil Mladenov, Veronika Mladenova, Jürgen Thomale, Ali Sak, Yao Wang, Yunxuan Deng, Eleni Gkika, Martin Stuschke, George Iliakis   +10 more
wiley   +1 more source

A high‐efficiency power management unit with wide dynamic range for RF energy harvesting system

IET Power Electronics, 2023
A high‐efficiency power management unit (PMU) with wide dynamic range for radio frequency (RF) energy harvesting system is proposed in this paper. A digital zero current switching (ZCS) and a digital maximum power point tracking (MPPT) circuits are ...
Zushuai Xie, Wenxu Zhang, Quancai Zhou, Yanyan Wang, Jianhui Wu, Jingjing Gou, Lu Liu, Zixuan Wang, Zhikuang Cai   +8 more
doaj   +1 more source

Continuous-wave Raman laser pumped within a semiconductor disk laser cavity [PDF]

, 2011
A KGd(WO4)(2) Raman laser was pumped within the cavity of a cw diode-pumped InGaAs semiconductor disk laser (SDL). The Raman laser threshold was reached for 5: 6W of absorbed diode pump power, and output power up to 0.8W at 1143nm, with optical ...
Alan J. Kemp, Burns, Calvez, Daniele C. Parrotta, David Burns, Dekker, Demidovich, Grabtchikov, Jennifer E. Hastie, Kemp, Kemp, Lee, Maclean, Maclean, Martin D. Dawson, Mochalov, Murray, Pask, Stothard, Tropper, Walter Lubeigt, Yang   +21 more
core   +1 more source

Spontaneous enhancement of the stable power conversion efficiency in perovskite solar cells

Journal of Materials Chemistry A, 2020
This work studies spontaneous enhancement in power conversion efficiency of multi-cation-halide perovskite solar cells which occurs days after device fabrication.
S. Moghadamzadeh, I. Hossain, M. Jakoby, Bahram Abdollahi Nejand, Diana Rueda-Delgado, J. Schwenzer, S. Gharibzadeh, T. Abzieher, M. R. Khan, A. Haghighirad, I. Howard, B. Richards, U. Lemmer, U. Paetzold   +13 more
semanticscholar   +1 more source

Raman‐based label‐free microscopic analysis of the pancreas in living zebrafish larvae

FEBS Open Bio, EarlyView.
Forward stimulated Raman scattering (F‐SRS) and epi coherent anti‐Stokes Raman scattering (E‐CARS) allow label‐free discrimination of distinct subcellular structures in the pancreas of living zebrafish larvae. Given the straightforward applicability, we anticipate broad implementation of Raman microscopy in other organs and across various biomedical ...
Noura Faraj, Eline M. F. de Lange, Klaas A. Sjollema, Ben N. G. Giepmans   +3 more
wiley   +1 more source

A Design of Rectifier with High-Voltage Conversion Gain in 65 nm CMOS Technology for Indoor Light and RF Energy Harvesting

Journal of Sensor and Actuator Networks
In rectifier design, the key parameters are the voltage–conversion ratio and the power conversion efficiency. A new circuit design approach is presented in which a capacitor-based, cross-coupled, differential-driven topology is used to boost the voltage ...
Jefferson Hora, Gene Fe Palencia, Rochelle Sabarillo, Johnny Tugahan, Yichuang Sun, Xi Zhu   +5 more
doaj   +1 more source

Novel MPPT method based on large variance GA-RBF

The Journal of Engineering, 2019
The photoelectric conversion efficiency of photovoltaic cells is mainly affected by temperature and irradiance. In order to promote the development of photovoltaic power generation, it is necessary to improve the photoelectric conversion efficiency of ...
Zhang Jing, Liu Ning, Xu Jiabin, Zhao Shengfang, Xu Yan   +4 more
doaj   +1 more source

Highly Efficient and Stable Planar Perovskite Solar Cells with Modulated Diffusion Passivation Toward High Power Conversion Efficiency and Ultrahigh Fill Factor

Solar RRL, 2019
2D/3D perovskite heterostructures or composites are recognized as efficient strategies to improve the stability of perovskite solar cells. Herein, a novel solution process to develop 2D/3D perovskites with modulated diffusion passivation by introducing ...
Long Zhou, Zhenhua Lin, Zhijun Ning, Tao Li, Xing Guo, Jing Ma, Jie Su, Chunfu Zhang, Jincheng Zhang, S. Liu, Jingjing Chang, Y. Hao   +11 more
semanticscholar   +1 more source