Pith Number

pith:WQR4N55Z

pith:2026:WQR4N55Z6ZT3FZOA5C7O2TYITY

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Laser-Enhanced Contact Optimization in Silicon Photovoltaics: Mechanisms, Reliability, and Predictive Process Design

Abasifreke U. Ebong (1) ((1) Department of Electrical, Charlotte, Computer Engineering, Donald Intal (1), University of North Carolina at Charlotte, USA)

Laser-enhanced contact optimization can be modeled as a coupled multiphysics process to define reliable process windows in silicon solar cells.

arxiv:2603.23351 v2 · 2026-03-24 · physics.app-ph · cond-mat.mtrl-sci

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Claims

C1strongest claim

LECO is examined as a coupled multiphysics process that links localized electrothermal activation and microstructural evolution to device-level electrical signatures through an instantaneous regime map and a reliability classification based on time-dependent drift.

C2weakest assumption

The assumption that transient electrothermal modeling combined with reduced state metrics such as effective diffusion depth and local areal energy density can reliably propagate calibrated thresholds across the full recipe space and separate stable optimization from latent damage in architecture-dependent interfaces.

C3one line summary

A review of LECO in silicon photovoltaics that frames it as a multiphysics process and outlines a predictive workflow using regime maps and reduced state metrics for stable contact optimization.

References

146 extracted · 146 resolved · 3 Pith anchors

[1] S. Mack, K. Krieg, C. Teßmann, D. Ourinson, J.-I. Polzin, A. Wolf, Development of Boron Emitters for Tunnel Oxide Passivated Contact Solar Cells with Current-Assisted Contact Formation, Solar RRL 9 (2 2025

[2] H. Ullah, S. Czapp, S. Szultka, H. Tariq, U.B. Qasim, H. Imran, Crystalline silicon (c-Si)- based tunnel oxide passivated contact (TOPCon) solar cells: a review, Energies 16 (2023) 715 2023

[3] Laser-enhanced contact optimization on iTOPCon solar cells 2022 · doi:10.1002/pip.3598

[4] S. Tepner, A. Lorenz, Printing technologies for silicon solar cell metallization: a comprehensive review, Progress in Photovoltaics: Research and Applications 31 (2023) 557–590 2023

[5] Y . Fan, S. Zou, Y . Zeng, L. Dai, Z. Wang, Z. Lu, H. Sun, X. Zhou, B. Liao, X. Su, Investigation of the Ag–Si Contact Characteristics of Boron Emitters for n-Tunnel Oxide- Passivated Contact Solar Ce 2024 · doi:10.1002/solr.202400268

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Receipt and verification

First computed	2026-05-20T00:01:40.501732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b423c6f7b9f667b2e5c0e8beed4f089e16b23a24fcff5f50b080055725d34b39

Aliases

arxiv: 2603.23351 · arxiv_version: 2603.23351v2 · doi: 10.48550/arxiv.2603.23351 · pith_short_12: WQR4N55Z6ZT3 · pith_short_16: WQR4N55Z6ZT3FZOA · pith_short_8: WQR4N55Z

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WQR4N55Z6ZT3FZOA5C7O2TYITY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b423c6f7b9f667b2e5c0e8beed4f089e16b23a24fcff5f50b080055725d34b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3f003f10ca7ff3b0437b49e6d74ed0fd88fd9480acb57210bc67c0b2c42b94",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2026-03-24T15:52:34Z",
    "title_canon_sha256": "271429670dd0c06782ddeda8329681154f4f1cdfc114074171f6e5f34d35ad8c"
  },
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  "source": {
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    "kind": "arxiv",
    "version": 2
  }
}