Hydroxymethyl-Functionalized PEDOT-MeOH:PSS for Perovskite Solar Cells

Dong, Hao; Zheng, Erjin; Niu, Zhiyin; Zhang, Xiaoyu; Lin, Yun‐Sheng; Jain, Priyesh; Yu, Qiuming

doi:10.1021/acsami.0c01756

Cited by 13 publications

(11 citation statements)

References 58 publications

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“…In addition, the hygroscopic property and acidity of PEDOT:PSS film will affect PSCs for long periods of stability. Numerous strategies, including doping PEDOT:PSS [ 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 ], modified PEDOT:PSS [ 32 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 ], interface engineering [ 75 , 76 , 77 , 78 , 79 , 80 ] and composite hole transport materials [ 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 ] have been developed to solve these issues.…”

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

“…In addition to the strategy of doping PEDOT:PSS, modification has been proved to be beneficial to solve problems of the inferior V oc and long−term stability. Performances of several representative inverted devices based on modified PEDOT:PSS are displayed in Table 3 [ 32 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 ]. Properties of PEDOT:PSS could be treated through solution processing [ 65 , 66 , 67 , 68 ].…”

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

“…On the other hand, performances of inverted devices could be promoted by modifying the chemical structure of HTL [ 69 , 70 , 71 , 72 ]. For example, in 2017, Huang et al firstly applied dopamine (DA) to modify PEDOT:PSS to exploit a novel dopamine−copolymerized film [ 69 ].…”

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

“…As a consequence, the inverted devices based on the oxidized PEDOT:PSS monolayer yielded an enhanced FF of 0.82 and a PCE of 18.8%. In addition, hydroxymethyl (MeOH) can be added as a functional group to modify ethylenedioxythiophene (EDOT) [ 72 ]. Therefore, the work function of modified HTL was improved, and the energy level alignment, electrical conductivity and surface topography of PEDOT−MeOH:PSS were enhanced.…”

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

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Recent Advances in Inverted Perovskite Solar Cells: Designing and Fabrication

Yang

Luo

Zhou

et al. 2022

IJMS

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Inverted perovskite solar cells (PSCs) have been extensively studied by reason of their negligible hysteresis effect, easy fabrication, flexible PSCs and good stability. The certified photoelectric conversion efficiency (PCE) achieved 23.5% owing to the formed lead−sulfur (Pb−S) bonds through the surface sulfidation process of perovskite film, which gradually approaches the performance of traditional upright structure PSCs and indicates their industrial application potential. However, the fabricated devices are severely affected by moisture, high temperature and ultraviolet light due to the application of organic materials. Depending on nitrogen, cost of protection may increase, especially for the industrial production in the future. In addition, the inverted PSCs are found with a series of issues compared with the traditional upright PSCs, such as nonradiative recombination of carriers, inferior stability and costly charge transport materials. Thus, the development of inverted PSCs is systematically reviewed in this paper. The design and fabrication of charge transport materials and perovskite materials, enhancement strategies (e.g., interface modification and doping) and the development of all−inorganic inverted devices are discussed to present the indicator for development of efficient and stable inverted PSCs.

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Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

Section: Hole−transport Layer (Htl)mentioning

confidence: 99%

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Recent Advances in Inverted Perovskite Solar Cells: Designing and Fabrication

Yang

Luo

Zhou

et al. 2022

IJMS

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“…PSS) is a well-known polymeric semiconductor, used for example as hole-transporting material in perovskite solar cells. 131-133 Tao et. al 134.…”

mentioning

confidence: 99%

Hierarchical ordering in light-triggered additive manufacturing

Monti

Blasco

2020

Polym. Chem.

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Metal‐like Charge Transport in PEDOT(OH) Films by Post‐processing Side Chain Removal from a Soluble Precursor Polymer

et al. 2022

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Herein, a route to produce highly electrically conductive doped hydroxymethyl functionalized poly(3,4‐ethylenedioxythiophene) (PEDOT) films, termed PEDOT(OH) with metal‐like charge transport properties using a fully solution processable precursor polymer is reported. This is achieved via an ester‐functionalized PEDOT derivative [PEDOT(EHE)] that is soluble in a range of solvents with excellent film‐forming ability. PEDOT(EHE) demonstrates moderate electrical conductivities of 20–60 S cm−1 and hopping‐like (i.e., thermally activated) transport when doped with ferric tosylate (FeTos3). Upon basic hydrolysis of PEDOT(EHE) films, the electrically insulative side chains are cleaved and washed from the polymer film, leaving a densified film of PEDOT(OH). These films, when optimally doped, reach electrical conductivities of ≈1200 S cm−1 and demonstrate metal‐like (i.e., thermally deactivated and band‐like) transport properties and high stability at comparable doping levels.

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Hydroxymethyl-Functionalized PEDOT-MeOH:PSS for Perovskite Solar Cells

Cited by 13 publications

References 58 publications

Recent Advances in Inverted Perovskite Solar Cells: Designing and Fabrication

Recent Advances in Inverted Perovskite Solar Cells: Designing and Fabrication

Hierarchical ordering in light-triggered additive manufacturing

Metal‐like Charge Transport in PEDOT(OH) Films by Post‐processing Side Chain Removal from a Soluble Precursor Polymer

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