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无毒黄铁矿硫化铁纳米晶体作为基于PTB7:PCBM的有机光伏电池中的第二电子受体。

Nontoxic pyrite iron sulfide nanocrystals as second electron acceptor in PTB7:PCBM-based organic photovoltaic cells.

作者信息

Amargós-Reyes Olivia, Maldonado José-Luis, Martínez-Alvarez Omar, Nicho María-Elena, Santos-Cruz José, Nicasio-Collazo Juan, Caballero-Quintana Irving, Arenas-Arrocena Concepción

机构信息

Research Group of Optical Properties of Materials (GPOM), Centro de Investigaciones en Óptica A. C., León, Guanajuato, 37150, México.

Departamento de Ingeniería en Energía, Universidad Politécnica de Guanajuato, Guanajuato, 38483, México.

出版信息

Beilstein J Nanotechnol. 2019 Nov 14;10:2238-2250. doi: 10.3762/bjnano.10.216. eCollection 2019.

DOI:10.3762/bjnano.10.216
PMID:31807409
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6880843/
Abstract

Herein, we report the synthesis of nontoxic pyrite iron sulfide (FeS) nanocrystals (NCs) using a two-pot method. Moreover, we study the influence of these NCs incorporated into the PTB7:PCBM active layer of bulk-heterojunction ternary organic photovoltaic (OPV) cells. The OPV devices are fabricated with the direct configuration glass/ITO/PEDOT:PSS/PTB7:PCBM:FeS/PFN/FM. The Field's metal (FM) is a eutectic alloy composed of 32.5% Bi, 51% In and 16.5% Sn by weight that melts at 62 °C. It is deposited on the active layer/PFN under atmospheric conditions. Ternary active layers are prepared by adding small amounts of the semiconducting FeS NCs at different weight ratios of 0.0, 0.25, 0.5, and 1.0 wt % with respect to the electron donor PTB7. With respect to the reference device (without FeS), a 21% increase in the power conversion efficiency (PCE) is observed for OPVs with 0.5 wt % FeS, such that the PCE of the OPVs is enhanced from 5.69 to 6.47%. According to the Kruskal-Wallis and Mann-Whitney statistical tests, all OPV devices follow the same trend.

摘要

在此，我们报道了采用两步法合成无毒的黄铁矿硫化铁（FeS）纳米晶体（NCs）。此外，我们研究了将这些纳米晶体掺入体异质结三元有机光伏（OPV）电池的PTB7:PCBM活性层中的影响。OPV器件采用直接结构玻璃/ITO/PEDOT:PSS/PTB7:PCBM:FeS/PFN/FM制备。菲尔德金属（FM）是一种共晶合金，按重量计由32.5%的铋、51%的铟和16.5%的锡组成，在62°C时熔化。它在大气条件下沉积在活性层/PFN上。通过以相对于电子给体PTB7的不同重量比0.0、0.25、0.5和1.0 wt%添加少量半导体FeS纳米晶体来制备三元活性层。相对于参考器件（无FeS），对于含0.5 wt% FeS的OPV，观察到功率转换效率（PCE）提高了21%，使得OPV的PCE从5.69%提高到6.47%。根据克鲁斯卡尔 - 沃利斯和曼 - 惠特尼统计检验，所有OPV器件都遵循相同的趋势。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/060dce570a68/Beilstein_J_Nanotechnol-10-2238-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/ff5c48eaf13a/Beilstein_J_Nanotechnol-10-2238-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/e25afffe517a/Beilstein_J_Nanotechnol-10-2238-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/7ccd121e1ac0/Beilstein_J_Nanotechnol-10-2238-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/89fdca0e43be/Beilstein_J_Nanotechnol-10-2238-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/2cf90eab58cb/Beilstein_J_Nanotechnol-10-2238-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/ab9c5275651f/Beilstein_J_Nanotechnol-10-2238-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/6bb91e37aa75/Beilstein_J_Nanotechnol-10-2238-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/04db4273b84b/Beilstein_J_Nanotechnol-10-2238-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/060dce570a68/Beilstein_J_Nanotechnol-10-2238-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/ff5c48eaf13a/Beilstein_J_Nanotechnol-10-2238-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/e25afffe517a/Beilstein_J_Nanotechnol-10-2238-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/7ccd121e1ac0/Beilstein_J_Nanotechnol-10-2238-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/89fdca0e43be/Beilstein_J_Nanotechnol-10-2238-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/2cf90eab58cb/Beilstein_J_Nanotechnol-10-2238-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/ab9c5275651f/Beilstein_J_Nanotechnol-10-2238-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/6bb91e37aa75/Beilstein_J_Nanotechnol-10-2238-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/04db4273b84b/Beilstein_J_Nanotechnol-10-2238-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ccb/6880843/060dce570a68/Beilstein_J_Nanotechnol-10-2238-g010.jpg

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