Triple-cation perovskite solar cells for visible light communications

被引：0

作者：

NATALIE A.MICA ^{[1
]}

RUI BIAN ^{[2
]}

PAVLOS MANOUSIADIS ^{[1
]}

LETHY K.JAGADAMMA ^{[1
]}

IMAN TAVAKKOLNIA ^{[2
]}

HARALD HAAS ^{[2
]}

GRAHAM A.TURNBULL ^{[1
]}

IFOR D.W.SAMUEL ^{[1
]}

机构：

[1] Organic Semiconductor Centre, SUPA, School of Physics and Astronomy

[2] Li Fi Research and Development Centre, Institute for Digital Communications, School of Engineering, University of Edinburgh

来源：

Photonics Research | 2020年 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

暂无

中图分类号：

TN929.1 [光波通信、激光通信]; TM914.4 [太阳能电池];

学科分类号：

0803 ; 080502 ;

摘要：

Hybrid perovskite materials are widely researched due to their high absorptivity, inexpensive synthesis, and promise in photovoltaic devices. These materials are also of interest as highly sensitive photodetectors. In this study, their potential for use in visible light communication is explored in a configuration that allows for simultaneous energy and data harvesting. Using a triple-cation material and appropriate device design, a new record data rate for perovskite photodetectors of 56 Mbps and power conversion efficiencies above 20% under white LED illumination are achieved. With this device design, the-3 dB bandwidth is increased by minimizing the dominating time constant of the system. This correlation between the bandwidth and time constant is proved using measurements of time-resolved photoluminescence, transient photovoltage, and device resistance.

引用

页码：1251 / 1259

页数：9

共 7 条

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