國立虎尾科技大學 |

Understanding the Slow Transient Optoelectronic Response of Hybrid Organic-Inorganic Halide Perovskites.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Understanding the Slow Transient Optoelectronic Response of Hybrid Organic-Inorganic Halide Perovskites./
Author:	Jacobs, Daniel Louis.
Description:	1 online resource (132 pages)
Notes:	Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
Contained By:	Dissertation Abstracts International78-10B(E).
Subject:	Materials science. -
Online resource:	click for full text (PQDT)
ISBN:	9781369775044

Understanding the Slow Transient Optoelectronic Response of Hybrid Organic-Inorganic Halide Perovskites.
Jacobs, Daniel Louis.

Understanding the Slow Transient Optoelectronic Response of Hybrid Organic-Inorganic Halide Perovskites. - 1 online resource (132 pages)

Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.

Thesis (Ph.D.)

Includes bibliographical references

Hybrid organic-inorganic halide perovskites, particularly methylammonium lead triiodide (MAPbI3), have emerged within the past decade as an exciting class of photovoltaic materials. In less than ten years, MAPbI3-based photovoltaic devices have seen unprecedented performance growth, with photoconversion efficiency increasing from 3% to over 22%, making it competitive with traditional high-efficiency solar cells. Furthermore, the fabrication of MAPbI3 devices utilize low-temperature solution processing, which could facilitate ultra low cost manufacturing. However, MAPbI3 suffers from significant instabilities under working conditions that have limited their applications outside of the laboratory. The instability of the MAPbI3 material can be generalized as a complex, slow transient optoelectronic response (STOR). The mechanism of the generalized STOR is dependent on the native defects of MAPbI3, but detailed understanding of the material defect properties is complicated by the complex ionic bonding of MAPbI3. Furthermore, characterization of the intrinsic material's response is complicated by the diverse approach to material processing and device architecture across laboratories around the world. In order to understand and mitigate the significant problems of MAPbI3 devices, a new approach focused on the material response, rather than the full device response, must be pursued.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9781369775044Subjects--Topical Terms:

557839
Materials science.
Index Terms--Genre/Form:

554714
Electronic books.

Understanding the Slow Transient Optoelectronic Response of Hybrid Organic-Inorganic Halide Perovskites.
LDR:03822ntm a2200361Ki 4500 001 910897
005 20180517120324.5
006 m o u
007 cr mn||||a|a||
008 190606s2017 xx obm 000 0 eng d
020 $a 9781369775044
035 $a (MiAaPQ)AAI10258583
035 $a (MiAaPQ)utah:13737
035 $a AAI10258583
040 $a MiAaPQ $b eng $c MiAaPQ
099 $a TUL $f hyy $c available through World Wide Web
100 1 $a Jacobs, Daniel Louis. $3 1182405
245 1 0 $a Understanding the Slow Transient Optoelectronic Response of Hybrid Organic-Inorganic Halide Perovskites.
264 0 $c 2017
300 $a 1 online resource (132 pages)
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
500 $a Source: Dissertation Abstracts International, Volume: 78-10(E), Section: B.
500 $a Adviser: Ling Zang.
502 $a Thesis (Ph.D.) $c The University of Utah $d 2017.
504 $a Includes bibliographical references
520 $a Hybrid organic-inorganic halide perovskites, particularly methylammonium lead triiodide (MAPbI3), have emerged within the past decade as an exciting class of photovoltaic materials. In less than ten years, MAPbI3-based photovoltaic devices have seen unprecedented performance growth, with photoconversion efficiency increasing from 3% to over 22%, making it competitive with traditional high-efficiency solar cells. Furthermore, the fabrication of MAPbI3 devices utilize low-temperature solution processing, which could facilitate ultra low cost manufacturing. However, MAPbI3 suffers from significant instabilities under working conditions that have limited their applications outside of the laboratory. The instability of the MAPbI3 material can be generalized as a complex, slow transient optoelectronic response (STOR). The mechanism of the generalized STOR is dependent on the native defects of MAPbI3, but detailed understanding of the material defect properties is complicated by the complex ionic bonding of MAPbI3. Furthermore, characterization of the intrinsic material's response is complicated by the diverse approach to material processing and device architecture across laboratories around the world. In order to understand and mitigate the significant problems of MAPbI3 devices, a new approach focused on the material response, rather than the full device response, must be pursued.
520 $a This dissertation highlights the work to analyze and mitigate the STOR intrinsic to MAPbI3. An experimental platform was developed based on lateral interdigitated electrode (IDE) arrays capable of monitoring the current and photoluminescence response simultaneously. By correlating the dynamics of the current and photoluminescence (PL) responses, both charge trapping and ion migration mechanisms were identified to contribute to the STOR. Next, a novel fabrication technique is introduced that is capable of reliably depositing MAPbI3 thin films with grain sizes at least an order of magnitude larger than most common techniques. These films were studied with confocal microscopy to give insight into the intra-grain PL dynamics of MAPbI3. Finally, the lateral IDE device platform was used to study the composition and morphology dependent STOR and revealed important correlations between defect formation and the STOR. These results represent an important step toward realizing a deeper understanding of the intrinsic limitations of MAPbI3 needed to progress the technology outside of the laboratory.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Materials science. $3 557839
650 4 $a Engineering. $3 561152
655 7 $a Electronic books. $2 local $3 554714
690 $a 0794
690 $a 0537
710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a The University of Utah. $b Materials Science and Engineering. $3 1182406
773 0 $t Dissertation Abstracts International $g 78-10B(E).
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10258583 $z click for full text (PQDT)