WFRF:(Wang Shenghao)
Sökning: WFRF:(Wang Shenghao) > (2016) > Role of the dopants...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03735naa a2200397 4500 | |
| 001 | oai:DiVA.org:kau-83187 | |
| 003 | SwePub | |
| 008 | 210222s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-831872 URI |
| 024 | 7 | a https://doi.org/10.1021/acs.chemmater.6b017772 DOI |
| 040 | a (SwePub)kau | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Juarez-Perez, Emilio J.u Okinawa Institute of Science and Technology Graduate University, JPN4 aut |
| 245 | 1 0 | a Role of the dopants on the morphological and transport properties of Spiro-MeOTAD hole transport layer |
| 264 | c 2016-08-04 | |
| 264 | 1 | b American Chemical Society (ACS),c 2016 |
| 338 | a print2 rdacarrier | |
| 520 | a The use of a solid hole transport layer (HTL) was transformational for the recent perovskite solar cell (PSC) revolution in solar energy technology. Often high efficiency PSC devices employ heavily doped hole transport materials such as spiro-MeOTAD. Independent of HTL chemistry, lithium-bis-trifluoromethanesulfonyl-imide (LiTFSI) and tert-butylpyridine (TBP) are commonly used as additives in HTL formulations for PSCs. LiTFSI and TBP were originally optimized for dye sensitized solar cells, where their roles have been extensively studied. However, in the case of PSCs, the function of TBP is not clearly understood. In this study, properties of the HTL composite deposited on flat silicon substrates were systematically measured at several length scales, e.g., macroscopically (profilometry, 4-point probe conductivity, and thermogravimetrydifferential thermal analysis), microscopically, and at the nanoscale to investigate film morphology, conductivity, and dopant distribution. Microscopic distributions of spiro-MeOTAD, LiTFSI, and TBP were determined using 2D Fourier transform infrared (FTIR) microscopy and electrostatic atomic force microscopy (EFM). Our findings reveal that the main role of TBP is to prevent phase segregation of LiTFSI and Spiro-MeOTAD, resulting in a homogeneous hole transport layer. These properties are critical for charge transport in the HTL bulk film as well as at the perovskite/HTL and HTL/electrode interfaces and for efficient solar cell performance. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Materialteknik0 (SwePub)2052 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Materials Engineering0 (SwePub)2052 hsv//eng |
| 653 | a Physics | |
| 653 | a Fysik | |
| 700 | 1 | a Leyden, Matthew R.u Okinawa Institute of Science and Technology Graduate University, JPN4 aut |
| 700 | 1 | a Wang, Shenghaou Okinawa Institute of Science and Technology Graduate University, JPN4 aut |
| 700 | 1 | a Ono, Luis K.u Okinawa Institute of Science and Technology Graduate University, JPN4 aut |
| 700 | 1 | a Hawash, Zaferu Okinawa Inst Sci & Technol Grad Univ GIST, Energy Mat & Surface Sci Unit EMSS, 1919-1 Tancha, Okinawa 9040495, Japan.4 aut0 (Swepub:kau)zafehawa |
| 700 | 1 | a Qi, Yabingu Okinawa Institute of Science and Technology Graduate University, JPN4 aut |
| 710 | 2 | a Okinawa Institute of Science and Technology Graduate University, JPNb Okinawa Inst Sci & Technol Grad Univ GIST, Energy Mat & Surface Sci Unit EMSS, 1919-1 Tancha, Okinawa 9040495, Japan.4 org |
| 773 | 0 | t Chemistry of Materialsd : American Chemical Society (ACS)g 28:16, s. 5702-5709q 28:16<5702-5709x 0897-4756x 1520-5002 |
| 856 | 4 | u https://doi.org/10.1021/acs.chemmater.6b01777y Fulltext |
| 856 | 4 | u https://pubs.acs.org/doi/pdf/10.1021/acs.chemmater.6b01777 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-83187 |
| 856 | 4 8 | u https://doi.org/10.1021/acs.chemmater.6b01777 |
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