Low‐Bandgap Methylammonium‐Rubidium Cation Sn‐Rich Perovskites for Efficient Ultraviolet–Visible–Near Infrared Photodetectors
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201706068
Abstract: Solution-processed and low-temperature Sn-rich perovskites show their low bandgap of about 1.2 eV, enabling potential applications in next-generation cost-effective ultraviolet (UV)–visible (vis)–near infrared (NIR) photodetection. Particularly, the crystallization (crystallinity and orientation) and film (smooth and… read more here.
Keywords: cation; ultraviolet visible; near infrared; rich perovskites ... See more keywords
Reducing Saturation-Current Density to Realize High-Efficiency Low-Bandgap Mixed Tin-Lead Halide Perovskite Solar Cells
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201803135
Abstract: DOI: 10.1002/aenm.201803135 For a two-terminal monolithic tandem solar cell, the open-circuit voltage (VOC) is the sum of the VOCs of the wide-bandgap and low-bandgap subcells while the shortcircuit current density (JSC) is limited by the… read more here.
Keywords: bandgap; halide perovskite; current density; low bandgap ... See more keywords
Polymer solar cells based low bandgap A1-D-A2-D terpolymer based on fluorinated thiadiazoloquinoxaline and benzothiadiazole acceptors with energy loss less than 0.5 eV
Sign Up to like & getrecommendations! Published in 2017 at "Organic Electronics"
DOI: 10.1016/j.orgel.2017.04.015
Abstract: Abstract We synthesized an ultra low bandgap terpolymer denoted as P containing fluorinated-fluorene attached thiadiazoloquinoxaline and benzothiadiazole acceptors and thiophene as donor in its backbone and investigated its optical and electrochemical properties. This terpolymer is… read more here.
Keywords: bandgap; energy; thiadiazoloquinoxaline benzothiadiazole; bandgap terpolymer ... See more keywords
Low-bandgap conjugated polymers based on alkylthiothienyl-substituted benzodithiophene for efficient bulk heterojunction polymer solar cells
Sign Up to like & getrecommendations! Published in 2017 at "Polymer"
DOI: 10.1016/j.polymer.2017.06.047
Abstract: Abstract Three two-dimensional (2D) conjugated polymers, named PBDTSDPP-1, PBDTSDPP-2, and PBDTSDPP-3, based on benzo[1,2-b:4,5-b’]dithiophene (BDT) donor unit with conjugated alkylthiothiophene side chain and diketopyrrolopyrrole (DPP) acceptor unit, were designed and synthesized via palladium-catalyzed Stille-coupling reaction.… read more here.
Keywords: polymers based; pbdtsdpp pbdtsdpp; conjugated polymers; pbdtsdpp ... See more keywords
Electrical and optical properties of low-bandgap oxide Zn2Mo3O8 for optoelectronic applications
Sign Up to like & getrecommendations! Published in 2019 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2019.03.023
Abstract: Abstract Semiconducting metal oxides are attractive for various applications since most oxides are non-toxic, stable, and easy to deposit. Wide band-gap materials have been studied more extensively, compared to low bandgap materials, which introduces limitations… read more here.
Keywords: valence band; bandgap; band; low bandgap ... See more keywords
Low-Bandgap Conjugated Polymer Dots for Near-Infrared Fluorescence Imaging
Sign Up to like & getrecommendations! Published in 2018 at "ACS Applied Nano Materials"
DOI: 10.1021/acsanm.8b01014
Abstract: Low-bandgap conjugated polymers attract significant research interests because of their broad light absorption spectra in the red and near-infrared regions, making them desirable materials for solar photovoltaics. To date, low-bandgap conjugated polymers yield some of… read more here.
Keywords: polymer dots; near infrared; conjugated polymer; bandgap conjugated ... See more keywords
Low-Bandgap Non-fullerene Acceptors Enabling High-Performance Organic Solar Cells
Sign Up to like & getrecommendations! Published in 2021 at "ACS energy letters"
DOI: 10.1021/acsenergylett.0c02384
Abstract: Great progress in organic solar cells (OSCs) has been recently achieved owing to the advent of non-fullerene acceptors (NFAs). Indeed, low-bandgap NFAs ranging from 1.3 to 1.6 eV with broad absorpt... read more here.
Keywords: solar cells; low bandgap; non fullerene; organic solar ... See more keywords
Power Conversion Efficiency Enhancement of Low-Bandgap Mixed Pb–Sn Perovskite Solar Cells by Improved Interfacial Charge Transfer
Sign Up to like & getrecommendations! Published in 2019 at "ACS Energy Letters"
DOI: 10.1021/acsenergylett.9b00880
Abstract: The power conversion efficiency (PCE) of low-bandgap mixed Pb–Sn perovskite solar cells (PSCs) has been significantly hindered by large open-circuit voltage (Voc) loss and poor fill factor (FF). Herein, mixed Pb–Sn perovskite films with a… read more here.
Keywords: conversion efficiency; bandgap; low bandgap; power conversion ... See more keywords
A novel low-bandgap pyridazine thiadiazole-based conjugated polymer with deep molecular orbital levels
Sign Up to like & getrecommendations! Published in 2020 at "Polymer Chemistry"
DOI: 10.1039/c9py01137d
Abstract: A pyridazine thiadiazole acceptor (PzT) has been utilised in the synthesis of a novel low band-gap D–A copolymer PTTPz. It is a much stronger acceptor in comparison to BT and PyT moieties widely incorporated in… read more here.
Keywords: novel low; thiadiazole based; low bandgap; pyridazine thiadiazole ... See more keywords
Investigation of low-bandgap nonfullerene acceptor-based polymer solar cells with very low photovoltage loss
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Photonics for Energy"
DOI: 10.1117/1.jpe.9.045502
Abstract: Abstract. Polymer solar cells (PSCs) have seen great progress in recent years, with power conversion efficiencies of over 15%. However, PSCs suffer from larger energy losses than inorganic and perovskite solar cells, leading to lower… read more here.
Keywords: bandgap; solar cells; polymer solar; low bandgap ... See more keywords
Fluoro-Modulated Molecular Geometry in Diketopyrrolopyrrole-Based Low-Bandgap Copolymers for Tuning the Photovoltaic Performance
Sign Up to like & getrecommendations! Published in 2019 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2019.00333
Abstract: Fluorination of conjugated polymers is an effective strategy to tune the energy levels for obtaining high power conversion efficiency (PCE) in organic solar cells. In this work, we have developed fluoro-modulated molecular geometries in diketopyrrolopyrrole… read more here.
Keywords: based low; diketopyrrolopyrrole based; fluoro modulated; modulated molecular ... See more keywords